mt125 mt125a - yamaha motor

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MT125 MT125A OWNER’S MANUAL 5D7-F8199-E4 Read this manual carefully before operating this vehicle.

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Page 1: MT125 MT125A - Yamaha Motor

PANTONE285C

MT125MT125A

OWNER’S MANUAL

5D7-F8199-E4

Read this manual carefully before operating this vehicle.

[English (E)]

Page 2: MT125 MT125A - Yamaha Motor

EAU46091

Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

Page 3: MT125 MT125A - Yamaha Motor

INTRODUCTIONEAU10103

Welcome to the Yamaha world of motorcycling!As the owner of the MT125/MT125A, you are benefiting from Yamaha’s vast experience and newest technology regardingthe design and manufacture of high-quality products, which have earned Yamaha a reputation for dependability.Please take the time to read this manual thoroughly, so as to enjoy all advantages of your MT125/MT125A. The Owner’sManual does not only instruct you in how to operate, inspect and maintain your motorcycle, but also in how to safeguardyourself and others from trouble and injury.In addition, the many tips given in this manual will help keep your motorcycle in the best possible condition. If you have anyfurther questions, do not hesitate to contact your Yamaha dealer.The Yamaha team wishes you many safe and pleasant rides. So, remember to put safety first!Yamaha continually seeks advancements in product design and quality. Therefore, while this manual contains the most cur-rent product information available at the time of printing, there may be minor discrepancies between your motorcycle andthis manual. If there is any question concerning this manual, please consult a Yamaha dealer.

WARNINGEWA10032

Please read this manual carefully and completely before operating this motorcycle.

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

Page 4: MT125 MT125A - Yamaha Motor

IMEAU10134

Pa ions:

*P

to potential personal injury ymbol to avoid possible injury

if not avoided, could result in

e taken to avoid damage to the

ier or clearer.

N

T

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

PORTANT MANUAL INFORMATION

rticularly important information is distinguished in this manual by the following notat

roduct and specifications are subject to change without notice.

This is the safety alert symbol. It is used to alert youhazards. Obey all safety messages that follow this sor death.

A WARNING indicates a hazardous situation which,death or serious injury.

A NOTICE indicates special precautions that must bvehicle or other property.

A TIP provides key information to make procedures eas

WARNING

OTICE

IP

Page 5: MT125 MT125A - Yamaha Motor

UAL INFORMATION

U5D7E4E0.book Page 2 Thursday, July 10, 2014 3:01 PM

IMPORTANT MAN

EAUM1012

MT125/MT125AOWNER’S MANUAL

©2014 by MBK INDUSTRIE1st edition, June 2014

All rights reservedAny reprinting or unauthorized use without the written permission of

MBK INDUSTRIE is expressly prohibited.

Printed in France.

Page 6: MT125 MT125A - Yamaha Motor

ast wheels .................................. 6-19djusting the clutch lever free play............................................ 6-19hecking the front brake lever free play..................................... 6-20

djusting the brake pedal free play............................................ 6-20rake light switches ..................... 6-21hecking the front and rear brake pads .......................................... 6-21hecking the brake fluid level ...... 6-22hanging the brake fluid .............. 6-23rive chain slack........................... 6-24leaning and lubricating the drive chain.......................................... 6-25hecking and lubricating the cables........................................ 6-26hecking and lubricating the throttle grip and cable ............... 6-26hecking and lubricating the brake and clutch levers ............. 6-26hecking and lubricating the brake pedal ............................... 6-27hecking and lubricating the sidestand................................... 6-27

ubricating the swingarm pivots......................................... 6-28hecking the front fork................. 6-28hecking the steering................... 6-29hecking the wheel bearings ....... 6-29attery .......................................... 6-30

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

TASA

DELRC

INSFU

MI

MHCSBBAFFCRSI

BLE OF CONTENTSFETY INFORMATION .................. 1-1

SCRIPTION .................................. 2-1eft view ......................................... 2-1ight view....................................... 2-2ontrols and instruments ............... 2-3

TRUMENT AND CONTROL NCTIONS ...................................... 3-1ain switch/steering lock............... 3-1

ndicator lights and warning lights............................................ 3-2ulti-function meter unit ................ 3-4andlebar switches...................... 3-11lutch lever .................................. 3-13hift pedal .................................... 3-13rake lever.................................... 3-13rake pedal .................................. 3-14BS (for ABS models) .................. 3-14uel tank cap................................ 3-15uel............................................... 3-16atalytic converter ....................... 3-17ider seat ..................................... 3-18idestand ..................................... 3-18

gnition circuit cut-off system....... 3-19

FOR YOUR SAFETY – PRE-OPERATION CHECKS .............4-1

OPERATION AND IMPORTANT RIDING POINTS ................................5-1

Starting the engine..........................5-1Shifting ............................................5-2Tips for reducing fuel

consumption................................5-3Engine break-in ...............................5-3Parking ............................................5-4

PERIODIC MAINTENANCE AND ADJUSTMENT...................................6-1

Owner’s tool kit ...............................6-2Periodic maintenance chart for the

emission control system..............6-3General maintenance and

lubrication chart...........................6-4Removing and installing cowlings...6-8Checking the spark plug .................6-9Engine oil and oil filter element .....6-10Coolant..........................................6-13Replacing the air filter element

and cleaning the check hose.....6-14Checking the engine idling

speed.........................................6-15Adjusting the throttle grip free

play ............................................6-15Valve clearance.............................6-16Tires ..............................................6-16

CA

C

A

BC

CCDC

C

C

C

C

C

L

CCCB

Page 7: MT125 MT125A - Yamaha Motor

BLE OF CONTENTS

MS

S

C

IN

U5D7E4E0.book Page 2 Thursday, July 10, 2014 3:01 PM

TAReplacing the fuses.......................6-31Replacing the headlight bulb.........6-33Auxiliary light .................................6-34Tail/brake light...............................6-34Replacing a turn signal light

bulb ............................................6-35Replacing the license plate light

bulb ............................................6-35Supporting the motorcycle............6-36Front wheel (for non-ABS

models) ......................................6-36Rear wheel (for non-ABS

models) ......................................6-38Troubleshooting ............................6-40Troubleshooting charts .................6-41

OTORCYCLE CARE AND TORAGE ..........................................7-1Matte color caution .........................7-1Care.................................................7-1Storage............................................7-3

PECIFICATIONS..............................8-1

ONSUMER INFORMATION ............9-1Identification numbers.....................9-1

DEX...............................................10-1

Page 8: MT125 MT125A - Yamaha Motor

1pears to be very effective in reduc-ing the chance of this type ofaccident.Therefore:• Wear a brightly colored jacket.• Use extra caution when you are

approaching and passingthrough intersections, since in-tersections are the most likelyplaces for motorcycle accidentsto occur.

• Ride where other motorists cansee you. Avoid riding in anothermotorist’s blind spot.

• Never maintain a motorcyclewithout proper knowledge.Contact an authorized motorcy-cle dealer to inform you on ba-sic motorcycle maintenance.Certain maintenance can onlybe carried out by certified staff.

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

BeAsspatioMoThpetectheknoforHe

1-1

SAFETY INFORMATIONEAU1028B

a Responsible Owner the vehicle’s owner, you are re-onsible for the safe and proper oper-n of your motorcycle.torcycles are single-track vehicles.

eir safe use and operation are de-ndent upon the use of proper ridinghniques as well as the expertise of operator. Every operator shouldw the following requirements be-

e riding this motorcycle. or she should:

Obtain thorough instructions froma competent source on all aspectsof motorcycle operation.Observe the warnings and mainte-nance requirements in this Own-er’s Manual.Obtain qualified training in safeand proper riding techniques.Obtain professional technical ser-vice as indicated in this Owner’sManual and/or when made neces-sary by mechanical conditions.

Never operate a motorcycle with-out proper training or instruction.Take a training course. Beginnersshould receive training from a cer-tified instructor. Contact an autho-rized motorcycle dealer to find outabout the training courses nearestyou.

Safe RidingPerform the pre-operation checkseach time you use the vehicle to makesure it is in safe operating condition.Failure to inspect or maintain the vehi-cle properly increases the possibility ofan accident or equipment damage.See page 4-1 for a list of pre-operationchecks. This motorcycle is designed to

carry the operator and a passen-ger.

The failure of motorists to detectand recognize motorcycles in traf-fic is the predominating cause ofautomobile/motorcycle accidents.Many accidents have beencaused by an automobile driverwho did not see the motorcycle.Making yourself conspicuous ap-

Page 9: MT125 MT125A - Yamaha Motor

FETY INFORMATION

1otective Apparele majority of fatalities from motorcy- accidents are the result of head in-ies. The use of a safety helmet is thegle most critical factor in the pre-ntion or reduction of head injuries.

Always wear an approved helmet.Wear a face shield or goggles.Wind in your unprotected eyescould contribute to an impairmentof vision that could delay seeing ahazard.The use of a jacket, heavy boots,trousers, gloves, etc., is effectivein preventing or reducing abra-sions or lacerations.Never wear loose-fitting clothes,otherwise they could catch on thecontrol levers, footrests, or wheelsand cause injury or an accident.Always wear protective clothingthat covers your legs, ankles, andfeet. The engine or exhaust sys-tem become very hot during or af-ter operation and can causeburns.A passenger should also observethe above precautions.

U5D7E4E0.book Page 2 Thursday, July 10, 2014 3:01 PM

SA

1-2

Many accidents involve inexperi-enced operators. In fact, many op-erators who have been involved inaccidents do not even have a cur-rent motorcycle license.• Make sure that you are qualified

and that you only lend your mo-torcycle to other qualified oper-ators.

• Know your skills and limits.Staying within your limits mayhelp you to avoid an accident.

• We recommend that you prac-tice riding your motorcyclewhere there is no traffic until youhave become thoroughly famil-iar with the motorcycle and all ofits controls.

Many accidents have beencaused by error of the motorcycleoperator. A typical error made bythe operator is veering wide on aturn due to excessive speed or un-dercornering (insufficient lean an-gle for the speed).• Always obey the speed limit and

never travel faster than warrant-ed by road and traffic condi-tions.

• Always signal before turning orchanging lanes. Make sure thatother motorists can see you.

The posture of the operator andpassenger is important for propercontrol.• The operator should keep both

hands on the handlebar andboth feet on the operator foot-rests during operation to main-tain control of the motorcycle.

• The passenger should alwayshold onto the operator, the seatstrap or grab bar, if equipped,with both hands and keep bothfeet on the passenger footrests.Never carry a passenger unlesshe or she can firmly place bothfeet on the passenger footrests.

Never ride under the influence ofalcohol or other drugs.

This motorcycle is designed foron-road use only. It is not suitablefor off-road use.

PrThclejursinve

Page 10: MT125 MT125A - Yamaha Motor

1AvAlmcaaccoCalesenenboyoabelshovesysofreM

en loading within this weight limit,p the following in mind:Cargo and accessory weightshould be kept as low and close tothe motorcycle as possible. Se-curely pack your heaviest items asclose to the center of the vehicleas possible and make sure to dis-tribute the weight as evenly aspossible on both sides of the mo-torcycle to minimize imbalance orinstability.Shifting weights can create a sud-den imbalance. Make sure thataccessories and cargo are se-curely attached to the motorcyclebefore riding. Check accessorymounts and cargo restraints fre-quently.• Properly adjust the suspension

for your load (suspension-ad-justable models only), andcheck the condition and pres-sure of your tires.

• Never attach any large or heavyitems to the handlebar, frontfork, or front fender. Theseitems, including such cargo assleeping bags, duffel bags, or

U5D7E4E0.book Page 3 Thursday, July 10, 2014 3:01 PM

SAFETY INFORMATION

1-3

oid Carbon Monoxide Poisoningl engine exhaust contains carbononoxide, a deadly gas. Breathingrbon monoxide can cause head-hes, dizziness, drowsiness, nausea,nfusion, and eventually death.rbon Monoxide is a colorless, odor-s, tasteless gas which may be pres-t even if you do not see or smell anygine exhaust. Deadly levels of car-n monoxide can collect rapidly andu can quickly be overcome and un-le to save yourself. Also, deadly lev- of carbon monoxide can linger forurs or days in enclosed or poorlyntilated areas. If you experience anymptoms of carbon monoxide poi-ning, leave the area immediately, getsh air, and SEEK MEDICAL TREAT-ENT.

Do not run engine indoors. Even ifyou try to ventilate engine exhaustwith fans or open windows anddoors, carbon monoxide can rap-idly reach dangerous levels.Do not run engine in poorly venti-lated or partially enclosed areassuch as barns, garages, or car-ports.

Do not run engine outdoors whereengine exhaust can be drawn intoa building through openings suchas windows and doors.

LoadingAdding accessories or cargo to yourmotorcycle can adversely affect stabil-ity and handling if the weight distribu-tion of the motorcycle is changed. Toavoid the possibility of an accident, useextreme caution when adding cargo oraccessories to your motorcycle. Useextra care when riding a motorcyclethat has added cargo or accessories.Here, along with the information aboutaccessories below, are some generalguidelines to follow if loading cargo toyour motorcycle:The total weight of the operator, pas-senger, accessories and cargo mustnot exceed the maximum load limit.Operation of an overloaded vehiclecould cause an accident.

Whkee

Maximum load:MT125 180 kg (397 lb)MT125A 178 kg (392 lb)

Page 11: MT125 MT125A - Yamaha Motor

FETY INFORMATION

1

GCisYabbMtocfoathTdcmmin

steering travel or control opera-tion, or obscure lights or reflec-tors.• Accessories fitted to the han-

dlebar or the front fork area cancreate instability due to improp-er weight distribution or aerody-namic changes. If accessoriesare added to the handlebar orfront fork area, they must be aslightweight as possible andshould be kept to a minimum.

• Bulky or large accessories mayseriously affect the stability ofthe motorcycle due to aerody-namic effects. Wind may at-tempt to lift the motorcycle, orthe motorcycle may becomeunstable in cross winds. Theseaccessories may also cause in-stability when passing or beingpassed by large vehicles.

• Certain accessories can dis-place the operator from his orher normal riding position. Thisimproper position limits thefreedom of movement of the

U5D7E4E0.book Page 4 Thursday, July 10, 2014 3:01 PM

SA

1-4

tents, can create unstable han-dling or a slow steering re-sponse.

This vehicle is not designed topull a trailer or to be attached toa sidecar.

enuine Yamaha Accessorieshoosing accessories for your vehicle an important decision. Genuineamaha accessories, which are avail-ble only from a Yamaha dealer, haveeen designed, tested, and approvedy Yamaha for use on your vehicle.any companies with no connection Yamaha manufacture parts and ac-

essories or offer other modificationsr Yamaha vehicles. Yamaha is not in

position to test the products thatese aftermarket companies produce.

herefore, Yamaha can neither en-orse nor recommend the use of ac-essories not sold by Yamaha orodifications not specifically recom-ended by Yamaha, even if sold andstalled by a Yamaha dealer.

Aftermarket Parts, Accessories, andModificationsWhile you may find aftermarket prod-ucts similar in design and quality togenuine Yamaha accessories, recog-nize that some aftermarket accesso-ries or modifications are not suitablebecause of potential safety hazards toyou or others. Installing aftermarketproducts or having other modificationsperformed to your vehicle that changeany of the vehicle’s design or operationcharacteristics can put you and othersat greater risk of serious injury ordeath. You are responsible for injuriesrelated to changes in the vehicle.Keep the following guidelines in mind,as well as those provided under “Load-ing” when mounting accessories. Never install accessories or carry

cargo that would impair the per-formance of your motorcycle.Carefully inspect the accessorybefore using it to make sure that itdoes not in any way reduceground clearance or corneringclearance, limit suspension travel,

Page 12: MT125 MT125A - Yamaha Motor

1

AfThmthprdltirm6-fo

TrBetiocle

U5D7E4E0.book Page 5 Thursday, July 10, 2014 3:01 PM

SAFETY INFORMATION

1-5

operator and may limit controlability, therefore, such accesso-ries are not recommended.

Use caution when adding electri-cal accessories. If electrical ac-cessories exceed the capacity ofthe motorcycle’s electrical sys-tem, an electric failure could re-sult, which could cause adangerous loss of lights or enginepower.

termarket Tires and Rimse tires and rims that came with yourotorcycle were designed to matche performance capabilities and toovide the best combination of han-ing, braking, and comfort. Otheres, rims, sizes, and combinationsay not be appropriate. Refer to page16 for tire specifications and more in-rmation on replacing your tires.

ansporting the Motorcycle sure to observe following instruc-ns before transporting the motorcy- in another vehicle.

Remove all loose items from themotorcycle.

Check that the fuel cock (ifequipped) is in the “OFF” positionand that there are no fuel leaks.

Point the front wheel straightahead on the trailer or in the truckbed, and choke it in a rail to pre-vent movement.

Shift the transmission in gear (formodels with a manual transmis-sion).

Secure the motorcycle with tie-downs or suitable straps that areattached to solid parts of the mo-torcycle, such as the frame or up-per front fork triple clamp (and not,for example, to rubber-mountedhandlebars or turn signals, orparts that could break). Choosethe location for the straps carefullyso the straps will not rub againstpainted surfaces during transport.

The suspension should be com-pressed somewhat by the tie-downs, if possible, so that the mo-torcycle will not bounce exces-sively during transport.

Page 13: MT125 MT125A - Yamaha Motor

DESCRIPTION

2

EAU10411

L

1.2.3.4.5.6.7.

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

2-1

eft view

21 3 4

57 6Battery (page 6-30)Owner’s tool kit (for ABS models) (page 6-2)Owner’s tool kit (page 6-2)Fuse box (page 6-31)Shift pedal (page 3-13)Engine oil drain bolt (page 6-10)Coolant reservoir (page 6-13)

Page 14: MT125 MT125A - Yamaha Motor

D

2

EAU10421

R

1.2.3.4.5.6.

U5D7E4E0.book Page 2 Thursday, July 10, 2014 3:01 PM

ESCRIPTION

2-2

ight view

YAMAHA

1 2

35 46Spark plug (page 6-9)Front brake fluid reservoir (page 6-22)Engine oil filter element (page 6-10)Dipstick (page 6-10)Rear brake fluid reservoir (page 6-22)Brake pedal (page 3-14)

Page 15: MT125 MT125A - Yamaha Motor

DESCRIPTION

2

EAU10431

C5 6 7

1.2.3.4.5.6.7.

U5D7E4E0.book Page 3 Thursday, July 10, 2014 3:01 PM

2-3

ontrols and instruments1 2 3 4

Clutch lever (page 3-13)Left handlebar switches (page 3-11)Multi-function meter unit (page 3-4)Main switch/steering lock (page 3-1)Right handlebar switches (page 3-11)Throttle grip (page 6-15)Brake lever (page 3-13)

Page 16: MT125 MT125A - Yamaha Motor

IN

3

M

Ththuspo

OAlpocecoed

TIThwonev

lock the steering

Turn the handlebars all the way tothe left or right.Push the key in from the “OFF”position, and then turn it to“LOCK” while still pushing it.Remove the key.

ush.urn.

2

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

STRUMENT AND CONTROL FUNCTIONS

3-1

EAU10462

ain switch/steering lock

e main switch/steering lock controlse ignition and lighting systems, and ised to lock the steering. The varioussitions are described below.

EAU36871

Nl electrical circuits are supplied withwer, the meter lighting, taillight, li-nse plate light and auxiliary lightsme on, and the engine can be start-. The key cannot be removed.

Pe headlight comes on automatically

hen the engine is started and stays until the key is turned to “OFF”,en if the engine stalls.

EAU10662

OFFAll electrical systems are off. The keycan be removed.

WARNINGEWA10062

Never turn the key to “OFF” or“LOCK” while the vehicle is moving.Otherwise the electrical systems willbe switched off, which may result inloss of control or an accident.

EAU10693

LOCKThe steering is locked, and all electricalsystems are off. The key can be re-moved.

To

1.

2.

3.

1. P2. T

1

Page 17: MT125 MT125A - Yamaha Motor

NTROL FUNCTIONS

3

T

Pthit

EAU11061

utral indicator light “ ”is indicator light comes on when thensmission is in the neutral position.

EAU11081

gh beam indicator light “ ”is indicator light comes on when theh beam of the headlight is switched.

EAU11341

el level warning light “ ”is warning light comes on when thel level drops below approximately L (0.79 US gal, 0.66 Imp.gal). When

s occurs, refuel as soon as possible.e electrical circuit of the warninght can be checked according to thelowing procedure.. Turn the key to “ON”.. If the warning light does not come

on, have a Yamaha dealer checkthe electrical circuit.

1.2.

U5D7E4E0.book Page 2 Thursday, July 10, 2014 3:01 PM

INSTRUMENT AND CO

3-2

o unlock the steering

ush the key into the main switch, anden turn it to “OFF” while still pushing

.

EAU49396

Indicator lights and warning lights

EAU11021

Turn signal indicator light “ ”This indicator light flashes when theturn signal switch is pushed to the leftor right.

NeThtra

HiThhigon

FuThfue3.0thiThligfol

12

Push.Turn.

1 2

1. Turn signal indicator light “ ”2. Neutral indicator light “ ”3. High beam indicator light “ ”4. Tachometer high-rpm warning light5. Fuel level warning light “ ”6. Engine trouble warning light “ ”7. Anti-lock Brake System (ABS) warning

light “ ” (for ABS models)

ZAUM1226

SELECTRESET

km/L/100kmMPG

km/hMPH

Lo

Hi

1/2

ODO FTRIP12x1000r/min

OILOIL

1 2 3 54 6 7

ABS

Page 18: MT125 MT125A - Yamaha Motor

IN

3

EnThangicuseThligtocogoIf inora cir

ABmInligtoa If

e speed reaches 10000 r/min, thist will come on to warn you that it isessary to shift up to avoid engineage.

activate or deactivate the tachome-high-rpm warning light, hold the

FO” button pushed, turn the key to”, and when the tachometer high- warning light starts flashing, press

“SELECT” button.

en activating or deactivating therning light the function, after press- the “SELECT” button, the light will

e on to indicate that the function isivated or the light will go off to indi-e that the function is deactivated.

U5D7E4E0.book Page 3 Thursday, July 10, 2014 3:01 PM

STRUMENT AND CONTROL FUNCTIONS

3-3

EAUT1935

gine trouble warning light “ ”is warning light flashes or stays on if electrical circuit monitoring the en-

ne is not working correctly. If this oc-rs, have a Yamaha dealer check thelf-diagnosis system.e electrical circuit of the warninght can be checked by turning the key “ON”. The warning light shouldme on for a few seconds, and then off.the warning light does not come onitially when the key is turned to “ON”, if the warning light remains on, haveYamaha dealer check the electricalcuit.

EAU58530

S warning light “ ” (for ABS odels) normal operation, the ABS warninght comes on when the key is turned “ON”, and goes off after traveling atspeed of 10 km/h (6 mi/h) or higher.the ABS warning light:

does not come on when the key isturned to “ON”comes on or flashes while riding

does not go off after traveling at aspeed of 10 km/h (6 mi/h) or high-er

The ABS may not work correctly. If anyof the above occurs, have a Yamahadealer check the system as soon aspossible. (See page 3-14 for an expla-nation of the ABS.)

WARNINGEWA16041

If the ABS warning light does not gooff after traveling at a speed of 10km/h (6 mi/h) or higher, or if thewarning light comes on or flasheswhile riding, the brake system re-verts to conventional braking. If ei-ther of the above occurs, or if thewarning light does not come on atall, use extra caution to avoid possi-ble wheel lock during emergencybraking. Have a Yamaha dealercheck the brake system and electri-cal circuits as soon as possible.

EAUM3440

Tachometer high-rpm warning lightThis light flashes at 9500 r/min to warnyou that the engine speed is about toenter the high-rpm zone. Once the en-

ginlighnecdamTo ter “IN“ONrpmthe

TIPWhwaingcomactcat

ABS

Page 19: MT125 MT125A - Yamaha Motor

NTROL FUNCTIONS

3

Ma tachometera clocka fuel metera coolant temperature meteran odometer and tripmeter displaya multi-function displaya self-diagnosis device

Be sure to turn the key to “ON” be-fore using the “SELECT”, “RE-SET” and “INFO” buttons.When the key is turned to “ON”, alldisplay segments of the multi-function meter unit will momen-tarily appear in order to test theelectrical circuit. The speedome-ter, tachometer, fuel meter andcoolant temperature meter willthen perform a display check anda welcome message will scrollacross the multi-function display.For the U.K. only: To switch thespeedometer and multi-functiondisplays between kilometers andmiles, press the “SELECT” and“RESET” button together, turn thekey to “ON” and then release thebuttons. Press the “SELECT” but-

1.2.3.

Z

U5D7E4E0.book Page 4 Thursday, July 10, 2014 3:01 PM

INSTRUMENT AND CO

3-4

EAUM3422

ulti-function meter unit

WARNINGEWA12423

Be sure to stop the vehicle beforemaking any setting changes to themulti-function meter unit. Changingsettings while riding can distract theoperator and increase the risk of anaccident.

The multi-function meter unit isequipped with the following: a speedometer

TIP

“INFO” switch“RESET” button“SELECT” button

AUM1145

SELECTRESET

INFO

km/L/100kmMPG

km/hMPH

Lo 1/2

ODO FTRIPx1000r/min

OILOIL

2 3

1

1. Coolant temperature meter2. Tachometer3. Fuel meter4. Odometer/tripmeter/fuel reserve tripmeter5. Clock6. Error code display7. Speedometer8. Multi-function display

ZAUM1146

km/h

Lo

Hi

1/2

ODOx1000r/min

OIL

1 2 3

45678

Page 20: MT125 MT125A - Yamaha Motor

IN

3 Ta

ThmwWchraor

N

Dch

Push the “SELECT” button andthen release it to start the clock.

en setting the hours and minutes,h the “RESET” button briefly to in-ase the increment value one by one,ush and hold the button to increase

increment value continuously.

l meter

fuel meter indicates the amount ofl in the fuel tank. The display seg-nts of the fuel meter disappear to-rds “E” (Empty) as the fuel level

1.2.

ZAU

uel meteruel level warning light “ ”uel reserve tripmeterformation display

149

km/h

o

Hi

1/2

FTRIPx1000r/min

21

34

U5D7E4E0.book Page 5 Thursday, July 10, 2014 3:01 PM

STRUMENT AND CONTROL FUNCTIONS

3-5

ton to switch between kilometersand miles and then press the “SE-LECT” button for two seconds toconfirm the setting.

chometer

e tachometer allows the rider toonitor the engine speed and keep itithin the ideal power range.hen the key is turned to “ON”, the ta-ometer will sweep across the r/minnge and then return to zero r/min inder to test the electrical circuit.

OTICEECAM1150

o not operate the engine in the ta-ometer high-rpm zone.

High-rpm zone: 10000 r/min andabove

Clock

The clock displays when the key isturned to “ON”.

To set the clock1. Turn the key to “ON”.2. Push the “SELECT” button for at

least two seconds.3. When the hour digits start flash-

ing, use the “RESET” button to setthe hours.

4. Push the “SELECT” button , andthe minute digits will start flashing.

5. Use the “RESET” button to set theminutes.

6.

TIPWhpuscreor pthe

Fue

Thefuemewa

TachometerHigh-rpm zone

M1147

km/h

x1000r/min

1

2

1. ClockZAUM1148

1/2

ODO TRIP1

1

1. F2. F3. F4. In

ZAUM1

L

Page 21: MT125 MT125A - Yamaha Motor

NTROL FUNCTIONS

3

dc(“pliga

TTdtecmgoth

OTICEECA10022

not continue to operate the en-e if it is overheating.

For radiator-fan-equipped vehi-cles, the radiator fan(s) automati-cally switch on or off according tothe coolant temperature in the ra-diator.If the engine overheats, see page6-42 for further instruction.

ometer and tripmeter display

e odometer and tripmeter display isuipped with the following:

Odometer/tripmeter/fuel reserve tripmeter1151

1/2

TRIP1

1

U5D7E4E0.book Page 6 Thursday, July 10, 2014 3:01 PM

INSTRUMENT AND CO

3-6

ecreases. When the fuel level be-omes low, the last segment will flash,LOW FUEL” message will also ap-ear) and the fuel level warninght “ ” will come on. Refuel as soon

s possible.

IPhis fuel meter is equipped with a self-iagnosis system. If a problem is de-cted in the fuel meter electrical cir-

uit, the display segments of the fueleter will flash eight times, and theno off for 3 seconds repeatedly. If thisccurs, have a Yamaha dealer checke electrical circuit.

Coolant temperature meter

With the key in the “ON” position, thecoolant temperature meter indicatesthe temperature of the coolant. Thecoolant temperature varies withchanges in the weather and engineload. When the coolant temperature isnear the maximum limit, the secondsegment from the top will flash. If the 2top segments and “ ” start flashing(“HIGH TEMP” message will also ap-pear), stop the vehicle and let the en-gine cool.

N

Dogin

TIP

Od

Theq

1. Coolant temperature warning indicator “ ”2. Information display3. Coolant temperature meter

ZAUM1150

Lo

Hi

1 3

2

1.ZAUM

Page 22: MT125 MT125A - Yamaha Motor

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PuesminO→te

Wgafu

lti-function display

multi-function display is equippedh the following:

a fuel consumption display (aver-age and instantaneous consump-tion functions)an average speed display (whichshows the average speed sincelast set to zero)a time tripmeter (which shows theelapsed riding time since last setto zero) an oil change indicator with an oilservice reminder (which shows theriding distance since last set to ze-ro) a low battery voltage warning indi-cator

1.ZAU

ulti-function display153

km/L

Lo

Hi

OIL

1

U5D7E4E0.book Page 7 Thursday, July 10, 2014 3:01 PM

STRUMENT AND CONTROL FUNCTIONS

3-7

two tripmeters (which shows thedistance traveled since last set tozero)a fuel reserve tripmeter (whichshows the distance traveled sincethe fuel level warning light cameon)

shing the “SELECT” button switch- the display between the odometerode and the various tripmeter modes the following order:DO (odometer) → TRIP 1 (tripmeter) TRIP 2 (tripmeter) → ODO (odome-r)

hen approximately 3.0 L (0.79 USl, 0.66 Imp.gal) of fuel remains in theel tank, the display will automatically

change to the fuel reserve tripmetermode “F TRIP” and start counting thedistance traveled from that point. Inthat case, pushing the “SELECT” but-ton switches the display between thevarious tripmeter and odometer modesin the following order:ODO → TRIP 1 → TRIP 2 → F TRIP (fu-el reserve tripmeter) → ODOTo reset a tripmeter, select it by push-ing the “SELECT” button until “TRIP 1,TRIP 2, F TRIP” is displayed. While“TRIP 1, TRIP 2, F TRIP” is displayed,push the “RESET” button for two sec-onds. The fuel reserve tripmeter will re-set automatically and disappear afteryou have refueled and turned the keyto “OFF”.

Mu

Thewit

Odometer/tripmeter/fuel reserve tripmeterM1152

1/2

F TRIP

1

1. MZAUM1

Page 23: MT125 MT125A - Yamaha Motor

NTROL FUNCTIONS

3

PdsAfuINk_Smlo

C→kS

FPdsin“C“T

“L/100 km”: The amount of fuelnecessary to travel 100 km underthe current riding conditions isshown.“MPG” (for the UK only): The dis-tance that can be traveled on1.0 Imp.gal of fuel under the cur-rent riding conditions is shown.

raveling at speeds under 10 km/h (6/h), “_ _._” is displayed.

erage fuel consumption display

e average fuel consumption displayows the average fuel consumptionce it was last reset. The display can set to either “AVE_ _._ km/L”, “AVE_ L/100 km” or “AVE_ _._ MPG” (for

1155

km/L

Lo

Hi

L/100km

U5D7E4E0.book Page 8 Thursday, July 10, 2014 3:01 PM

INSTRUMENT AND CO

3-8

a warning message function a self-diagnosis device

ush the “INFO” button to switch theisplay between the average fuel con-umption mode “C Ave__._km/L” or “Cve __._ L/100 km”, the instantaneousel consumption mode “CS__._km/L” or “C INS__._L/100

m” , the trip time mode “TRIP TIME _h_min”, the average speed “AVEPEED/__km/h”, the oil service re-inder “DIST SERV/__km” in the fol-wing order:

Ave__._km/L → C Ave __._ L/100 km C INS__._km/L → C INS__._L/100

m → TRIP TIME _h __min → AVEPEED/__km/h → DIST SERV/__km

or the UK only:ush the “INFO” button to switch theisplay between the average fuel con-umption mode “C Ave__._mpg”, thestantaneous fuel consumption mode INS__._mpg”, the trip time modeRIP TIME _h __min”, the average

speed “AVE SPEED/__mph”, the oilservice reminder “DIST SERV/__miles”in the following order:

C Ave__._mpg → C INS__._mpg →TRIP TIME _h __min → AVESPEED/__mph → DIST SERV/__miles

Instantaneous fuel consumptiondisplay

The instantaneous fuel consumptiondisplay can be set to either “km/L”,“L/100 km” or “MPG” (for the UK only).Push the “INFO” button to switch be-tween these display settings. “km/L”: The distance that can be

traveled on 1.0 L of fuel under thecurrent riding conditions is shown.

TIPIf tmi

Av

Thshsinbe_._

ZAUM1154

km/L L/100km

Lo

Hi

ZAUM

Page 24: MT125 MT125A - Yamaha Motor

IN

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thtotin

Todilecbubu

TIAfsuth

y will also reset automatically 4rs after the key was last turned toF”.

e tripmeter

time tripmeter displays “_h _min”urs and minutes) the time that haspsed since the key was turned to

” since the time tripmeter was lastet.reset the time tripmeter displayde “ODO” should be selected), se-

t it by pushing the “INFO” button, then push the “RESET” button for seconds. The time tripmeter willomatically reset 4 hours after the was last turned to “OFF”.

157

Lo

Hi

U5D7E4E0.book Page 9 Thursday, July 10, 2014 3:01 PM

STRUMENT AND CONTROL FUNCTIONS

3-9

e UK only). Push the “INFO” button switch between these display set-gs.

“AVE_ _._ km/L”: The average dis-tance that can be traveled on 1.0 Lof fuel is shown.“AVE_ _._ L/100 km”: The averageamount of fuel necessary to travel100 km is shown.“AVE_ _._ MPG” (for the UK only):The average distance that can betraveled on 1.0 Imp.gal of fuel isshown.

reset the average fuel consumptionsplay (mode “ODO” should be se-ted), select it by pushing the “INFO”tton, and then push the “RESET”tton for two seconds.

Pter resetting the average fuel con-mption display, “_ _._” is shown untile vehicle has traveled 1 km (0.6 mi).

Average speed display

The average speed display shows youraverage traveling speed since it waslast reset. It can be set to either “AVESPEED_ _._ km/h”, AVE SPEED __._mph” (for the UK only, push the “INFO”button to switch between these displaysettings). “AVE SPEED_ _._ km/h”: Your av-

erage traveling speed in kilome-ters per hour.

“AVE SPEED_ _._ mph” (for theUK only): Your average travelingspeed in miles per hour.

To reset the average speed display(mode “ODO” should be selected), se-lect it by pushing the “INFO” button,and then push the “RESET” button fortwo seconds. The average speed dis-

plahou“OF

Tim

The(hoela“ONresTo (molecandtwoautkey

ZAUM1156

Lo

Hi

ZAUM1

Page 25: MT125 MT125A - Yamaha Motor

NTROL FUNCTIONS

3

O

TSthcsteAoTpesfl“Roreta

w battery warning indicator “ ”

is indicator flashes (message “LOWTT” will also appear) when the bat-y voltage is under 10 volts.

he low battery indicator comes onve a Yamaha dealer check the bat-y.

Z 1159

Lo

Hi

U5D7E4E0.book Page 10 Thursday, July 10, 2014 3:01 PM

INSTRUMENT AND CO

3-10

il change indicator “OIL”

his indicator flashes (message “OILERV” will also appear) to indicate thate engine oil should be changed. It will

ome on at the initial 1000 km (600 mi)ervice interval, 2000 km (1200 mi) af-r that, and every 3000 km thereafter.fter changing the engine oil, reset theil change indicator.o reset the oil change indicator dis-lay (mode “ODO” should be select-d), push the “RESET” button for twoeconds until “OIL SERV” messageashes and then push and hold the

ESET” button for at least 15 sec-nds. “DIST SERV” mode (oil serviceminder which shows the riding dis-nce since last reset) will also be reset.

TIPIf the engine oil is changed before theoil change indicator comes on (i.e. be-fore the set oil service interval has beenreached), the indicator must be resetfor the next oil change to be indicatedat the correct time. To reset the oilchange indicator before the periodic oilchange interval has been reached, fol-low the below procedure.To reset the oil change indicator (mode“ODO” should be selected), select“DIST SERV” by pushing the “INFO”button, and then push the “RESET”button for two seconds until “DISTSERV” mode flashes and then pushand hold the “RESET” button for atleast 15 seconds, “OIL SERV” mes-sage will also be reset.

Lo

ThBAter

TIPIf thater

AUM1158

Lo

Hi

OIL

Lo

Hi

ZAUM

Page 26: MT125 MT125A - Yamaha Motor

IN

3

W

Thintetoplmmch

HBA

TIPutwes

EAU1234H

ndlebar switches

t

ZAU

ass switch “ ”immer switch “ / ”urn signal switch “ / ”orn switch “ ”

162

U5D7E4E0.book Page 11 Thursday, July 10, 2014 3:01 PM

STRUMENT AND CONTROL FUNCTIONS

3-11

arning message function

e warning message function works conjunction with fuel meter, coolantmperature meter, oil change indica-r, and low battery indicator by dis-aying a corresponding warningessage. When two or more warningessages occur, display shall beanged as follows:

IGH TEMP →LOW FUEL →LOWTT →OIL SERV

Psh the “INFO” button to switch be-een these display warning messag-.

Self-diagnosis device

This model is equipped with a self-di-agnosis device for various electricalcircuits.If a problem is detected in any of thosecircuits, the engine trouble warninglight will come on and the display willindicate an error code.If the display indicates any error codes,note the code number, and then havea Yamaha dealer check the vehicle.

NOTICEECA11591

If the display indicates an errorcode, the vehicle should be checkedas soon as possible in order to avoidengine damage.

Ha

Lef

M1160

Lo

Hi

1. Error code displayZAUM1161

1/2

F TRIP

1/2

1

1. P2. D3. T4. H

ZAUM1

Page 27: MT125 MT125A - Yamaha Motor

NTROL FUNCTIONS

3

R

PP

DSb

TTsture

EAUM3451

o switch “INFO”is switch is used to perform selec-ns in the function display of thelti-function meter unit and to acti-

te or deactive the high-rpm warninght. (See page 3-4 for information on multi-function meter unit and page for information on the tachometerh-rpm warning light.)

1.2.3.

Z

1

2

U5D7E4E0.book Page 12 Thursday, July 10, 2014 3:01 PM

INSTRUMENT AND CO

3-12

ight

EAU12351

ass switch “ ”ress this switch to flash the headlight.

EAU12401

immer switch “ / ”et this switch to “ ” for the higheam and to “ ” for the low beam.

EAU12461

urn signal switch “ / ”o signal a right-hand turn, push thiswitch to “ ”. To signal a left-handrn, push this switch to “ ”. Whenleased, the switch returns to the cen-

ter position. To cancel the turn signallights, push the switch in after it has re-turned to the center position.

EAU12501

Horn switch “ ”Press this switch to sound the horn.

EAU12661

Engine stop switch “ / ”Set this switch to “ ” before startingthe engine. Set this switch to “ ” tostop the engine in case of an emergen-cy, such as when the vehicle overturnsor when the throttle cable is stuck.

EAU12713

Start switch “ ” Push this switch to crank the enginewith the starter. See page 5-1 for start-ing instructions prior to starting the en-gine.

EAU44712

The engine trouble warning light andABS warning light (ABS model only)may come on when the key is turned to“ON” and the start switch is pushed,but this does not indicate a malfunc-tion.

InfThtiomuvaligthe3-3hig

Engine stop switch “ / ”Start switch “ ”“INFO” switch

AUM1163

3

INFO

Page 28: MT125 MT125A - Yamaha Motor

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3

C

ThhacludlleapusmThclutio3-

EAU12892

ake lever

brake lever is located on the righte of the handlebar. To apply thet brake, pull the lever toward thettle grip.

1. rake lever01

1INFO

U5D7E4E0.book Page 13 Thursday, July 10, 2014 3:01 PM

STRUMENT AND CONTROL FUNCTIONS

3-13

EAU12821

lutch lever

e clutch lever is located at the leftndlebar grip. To disengage thetch, pull the lever toward the han-

ebar grip. To engage the clutch, re-se the lever. The lever should belled rapidly and released slowly forooth clutch operation.e clutch lever is equipped with atch switch, which is part of the igni-n circuit cut-off system. (See page19.)

EAU12872

Shift pedal

The shift pedal is located on the leftside of the motorcycle and is used incombination with the clutch lever whenshifting the gears of the 6-speed con-stant-mesh transmission equipped onthis motorcycle.

Br

Thesidfronthro

Clutch lever

1

1. Shift pedalZAUM1200

1. BZAUM12

Page 29: MT125 MT125A - Yamaha Motor

NTROL FUNCTIONS

3

B

Tsrep

The ABS performs a self-diagno-sis test each time the vehicle firststarts off after the key is turned to“ON” and the vehicle has traveledat a speed of 10 km/h (6 mi/h) orhigher. During this test, a “click-ing” noise can be heard from thehydraulic control unit, and if thebrake lever or brake pedal is evenslightly applied, a vibration can befelt at the lever and pedal, butthese do not indicate a malfunc-tion.This ABS has a test mode whichallows the owner to experiencethe pulsation at the brake lever orbrake pedal when the ABS is op-erating. However, special tools arerequired, so please consult yourYamaha dealer.

OTICEECA20100

careful not to damage the wheelnsor or wheel sensor rotor; other-se, improper performance of theS will result.

1.Z

U5D7E4E0.book Page 14 Thursday, July 10, 2014 3:01 PM

INSTRUMENT AND CO

3-14

EAU12944

rake pedal

he brake pedal is located on the rightide of the motorcycle. To apply thear brake, press down on the brakeedal.

EAU60021

ABS (for ABS models)The Yamaha ABS (Anti-lock BrakeSystem) features a dual electronic con-trol system, which acts on the front andrear brakes independently.Operate the brakes with ABS as youwould conventional brakes. If the ABSis activated, a pulsating sensation maybe felt at the brake lever or brake ped-al. In this situation, continue to applythe brakes and let the ABS work; donot “pump” the brakes as this will re-duce braking effectiveness.

WARNINGEWA16051

Always keep a sufficient distancefrom the vehicle ahead to match theriding speed even with ABS. The ABS performs best with

long braking distances. On certain surfaces, such as

rough or gravel roads, the brak-ing distance may be longer withthe ABS than without.

The ABS is monitored by an ECU,which will revert the system to conven-tional braking if a malfunction occurs.

TIP

N

BesewiAB

Brake pedalAUM1202

Page 30: MT125 MT125A - Yamaha Motor

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fuel tank cap cannot be installedess the key is in the lock. In addi-, the key cannot be removed if the is not properly installed and

ked.

WARNINGEWA11142

ke sure that the fuel tank cap isperly installed before riding.king fuel is a fire hazard.

1.2.

1.2.

ZAU

ZAU

U5D7E4E0.book Page 15 Thursday, July 10, 2014 3:01 PM

STRUMENT AND CONTROL FUNCTIONS

3-15

EAUM2082

Fuel tank cap

To remove the fuel tank cap1. Open the fuel tank cap lock cover.2. Insert the key into the lock and

turn it 1/4 turn counterclockwise.The lock will be released and thefuel tank cap can be removed.

To install the fuel tank cap1. Push the fuel tank cap into posi-

tion with the key inserted in thelock.

2. Turn the key clockwise to the orig-inal position, and then remove it.

3. Close the lock cover.

TIPTheunltioncaploc

MaproLea

Front wheel sensor rotorFront wheel sensor

Rear wheel sensor rotorRear wheel sensor

M1227

1

2

M1228

1

2

1. Fuel tank cap lock cover2. Unlock.

Page 31: MT125 MT125A - Yamaha Motor

NTROL FUNCTIONS

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FMth

Gearith

ly. If gasoline spills on your skin,sh with soap and water. If gaso-

e spills on your clothing, changeur clothes.

EAU54601

OTICEECA11401

e only unleaded gasoline. The useleaded gasoline will cause severemage to internal engine parts,ch as the valves and piston rings, well as to the exhaust system.

ur Yamaha engine has been de-ned to use premium unleaded gas-

ne with a research octane number of or higher. If knocking (or pinging)curs, use a gasoline of a different

Recommended fuel:Premium unleaded gasoline (Gaso-hol (E10) acceptable)

Fuel tank capacity:11.5 L (3.04 US gal, 2.53 Imp.gal)

Fuel reserve amount (when the fuel level warning light comes on):

3.0 L (0.79 US gal, 0.66 Imp.gal)

U5D7E4E0.book Page 16 Thursday, July 10, 2014 3:01 PM

INSTRUMENT AND CO

3-16

EAU13213

uelake sure there is sufficient gasoline ine tank.

WARNINGEWA10882

asoline and gasoline vapors arextremely flammable. To avoid firesnd explosions and to reduce thesk of injury when refueling, followese instructions.

1. Before refueling, turn off the en-gine and be sure that no one is sit-ting on the vehicle. Never refuelwhile smoking, or while in the vi-cinity of sparks, open flames, orother sources of ignition such asthe pilot lights of water heatersand clothes dryers.

2. Do not overfill the fuel tank. Stopfilling when the fuel reaches thebottom of the filler tube. Becausefuel expands when it heats up,heat from the engine or the suncan cause fuel to spill out of thefuel tank.

3. Wipe up any spilled fuel immedi-ately. NOTICE: Immediatelywipe off spilled fuel with a clean,dry, soft cloth, since fuel maydeteriorate painted surfaces orplastic parts. [ECA10072]

4. Be sure to securely close the fueltank cap.

WARNINGEWA15152

Gasoline is poisonous and cancause injury or death. Handle gaso-line with care. Never siphon gasolineby mouth. If you should swallowsome gasoline or inhale a lot of gas-oline vapor, or get some gasoline inyour eyes, see your doctor immedi-

atewalinyo

N

Usof dasuas

Yosigoli95oc

1. Fuel tank filler tube2. Maximum fuel level

Page 32: MT125 MT125A - Yamaha Motor

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brspnaGThhotaetteohrecaor

TICEECA10702

e only unleaded gasoline. The useleaded gasoline will cause unre-rable damage to the catalyticverter.

U5D7E4E0.book Page 17 Thursday, July 10, 2014 3:01 PM

STRUMENT AND CONTROL FUNCTIONS

3-17

and. Use of unleaded fuel will extendark plug life and reduce mainte-nce costs.

asoholere are two types of gasohol: gaso-l containing ethanol and that con-ining methanol. Gasohol containinghanol can be used if the ethanol con-nt does not exceed 10% (E10). Gas-ol containing methanol is notcommended by Yamaha because itn cause damage to the fuel system vehicle performance problems.

EAU13434

Catalytic converterThis model is equipped with a catalyticconverter in the exhaust system.

WARNINGEWA10863

The exhaust system is hot after op-eration. To prevent a fire hazard orburns: Do not park the vehicle near

possible fire hazards such asgrass or other materials thateasily burn.

Park the vehicle in a placewhere pedestrians or childrenare not likely to touch the hotexhaust system.

Make sure that the exhaust sys-tem has cooled down beforedoing any maintenance work.

Do not allow the engine to idlemore than a few minutes. Longidling can cause a build-up ofheat.

NO

Usof paicon

Page 33: MT125 MT125A - Yamaha Motor

NTROL FUNCTIONS

3

R

T

T

EAU15306

destande sidestand is located on the lefte of the frame. Raise the sidestandlower it with your foot while holding vehicle upright.

e built-in sidestand switch is part of ignition circuit cut-off system,ich cuts the ignition in certain situa-ns. (See the following section for anplanation of the ignition circuit cut- system.)

WARNINGEWA10242

e vehicle must not be ridden with sidestand down, or if the side-nd cannot be properly moved up does not stay up), otherwise theestand could contact the groundd distract the operator, resulting

a possible loss of control.maha’s ignition circuit cut-offstem has been designed to assist operator in fulfilling the respon-ility of raising the sidestand be-e starting off. Therefore, check

1.2.

U5D7E4E0.book Page 18 Thursday, July 10, 2014 3:01 PM

INSTRUMENT AND CO

3-18

EAUM2461

ider seat

o remove the rider seat1. Insert the key into the seat lock,

and then turn it clockwise.

2. Pull the rider seat off.

o install the rider seat1. Insert the projection on the front of

the rider seat into the seat holderas shown.

2. Push the rear of the rider seatdown to lock it in place.

3. Turn the key counterclockwise,and then remove it.

TIPMake sure that the rider seat is proper-ly secured before riding.

SiThsidor the

TIPThthewhtioexoff

Ththesta(orsidanin Yasythesibfor

Seat lockOpen.

1. Projection2. Seat holder

Page 34: MT125 MT125A - Yamaha Motor

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thYafu

U5D7E4E0.book Page 19 Thursday, July 10, 2014 3:01 PM

STRUMENT AND CONTROL FUNCTIONS

3-19

is system regularly and have amaha dealer repair it if it does not

nction properly.

EAU44893

Ignition circuit cut-off systemThe ignition circuit cut-off system(comprising the sidestand switch,clutch switch and neutral switch) hasthe following functions. It prevents starting when the

transmission is in gear and thesidestand is up, but the clutch le-ver is not pulled.

It prevents starting when thetransmission is in gear and theclutch lever is pulled, but the side-stand is still down.

It cuts the running engine whenthe transmission is in gear and thesidestand is moved down.

Periodically check the operation of theignition circuit cut-off system accord-ing to the following procedure.

Page 35: MT125 MT125A - Yamaha Motor

NTROL FUNCTIONS

3

ch may not be working correctly. should not be ridden untilmaha dealer.

witch may not be working correctly. should not be ridden untilmaha dealer.

h may not be working correctly. should not be ridden untilmaha dealer.

is noted, have a Yamahae system before riding.

U5D7E4E0.book Page 20 Thursday, July 10, 2014 3:01 PM

INSTRUMENT AND CO

3-20

With the engine turned off:1. Move the sidestand down.2. Make sure that the engine stop switch is set to “3. Turn the key on. 4. Shift the transmission into the neutral position.5. Push the start switch.Does the engine start?

With the engine still running:6. Move the sidestand up.7. Keep the clutch lever pulled.8. Shift the transmission into gear.9. Move the sidestand down.Does the engine stall?

After the engine has stalled:10. Move the sidestand up.11. Keep the clutch lever pulled.12. Push the start switch.Does the engine start?

The system is OK. The motorcycle can be ridden.

The neutral switThe motorcyclechecked by a Ya

The sidestand sThe motorcyclechecked by a Ya

The clutch switcThe motorcyclechecked by a Ya

YES NO

YES NO

YES NO

If a malfunctiondealer check th

WARNING

”.

Page 36: MT125 MT125A - Yamaha Motor

F

4

EAU15598

In dition. Always follow the inspectionan

EWA11152

Fa accident or equipment damage.Do ed by the procedures provided inth

Be

PAGE

F 3-16

E 6-10

C 6-13

F 6-21, 6-22

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

OR YOUR SAFETY – PRE-OPERATION CHECKS

4-1

spect your vehicle each time you use it to make sure the vehicle is in safe operating cond maintenance procedures and schedules described in the Owner’s Manual.

WARNING

ilure to inspect or maintain the vehicle properly increases the possibility of an not operate the vehicle if you find any problem. If a problem cannot be correct

is manual, have the vehicle inspected by a Yamaha dealer.

fore using this vehicle, check the following points:

ITEM CHECKS

uel• Check fuel level in fuel tank.• Refuel if necessary.• Check fuel line for leakage.

ngine oil• Check oil level in engine.• If necessary, add recommended oil to specified level.• Check vehicle for oil leakage.

oolant• Check coolant level in reservoir.• If necessary, add recommended coolant to specified level.• Check cooling system for leakage.

ront brake

• Check operation.• If soft or spongy, have Yamaha dealer bleed hydraulic system.• Check brake pads for wear.• Replace if necessary.• Check fluid level in reservoir.• If necessary, add specified brake fluid to specified level.• Check hydraulic system for leakage.

Page 37: MT125 MT125A - Yamaha Motor

PERATION CHECKS

4

R 6-21, 6-22

C 6-19

T bricate ca- 6-15, 6-26

C 6-26

D 6-24, 6-25

W 6-16, 6-19

B 6-27

B 6-26

S 6-27

PAGE

U5D7E4E0.book Page 2 Thursday, July 10, 2014 3:01 PM

FOR YOUR SAFETY – PRE-O

4-2

ear brake

• Check operation.• If soft or spongy, have Yamaha dealer bleed hydraulic system.• Check brake pads for wear.• Replace if necessary.• Check fluid level in reservoir.• If necessary, add specified brake fluid to specified level.• Check hydraulic system for leakage.

lutch

• Check operation.• Lubricate cable if necessary.• Check lever free play.• Adjust if necessary.

hrottle grip

• Make sure that operation is smooth.• Check throttle grip free play.• If necessary, have Yamaha dealer adjust throttle grip free play and lu

ble and grip housing.

ontrol cables • Make sure that operation is smooth.• Lubricate if necessary.

rive chain

• Check chain slack.• Adjust if necessary.• Check chain condition.• Lubricate if necessary.

heels and tires

• Check for damage.• Check tire condition and tread depth.• Check air pressure.• Correct if necessary.

rake pedal • Make sure that operation is smooth.• Lubricate pedal pivoting point if necessary.

rake and clutch levers • Make sure that operation is smooth.• Lubricate lever pivoting points if necessary.

idestand • Make sure that operation is smooth.• Lubricate pivot if necessary.

ITEM CHECKS

Page 38: MT125 MT125A - Yamaha Motor

F

4

C —

Ina —

S 3-18

B 6-30

PAGE

U5D7E4E0.book Page 3 Thursday, July 10, 2014 3:01 PM

OR YOUR SAFETY – PRE-OPERATION CHECKS

4-3

hassis fasteners • Make sure that all nuts, bolts and screws are properly tightened.• Tighten if necessary.

struments, lights, signals nd switches

• Check operation.• Correct if necessary.

idestand switch • Check operation of ignition circuit cut-off system.• If system is not working correctly, have Yamaha dealer check vehicle.

attery • Check fluid level.• Fill with distilled water if necessary.

ITEM CHECKS

Page 39: MT125 MT125A - Yamaha Motor

ANT RIDING POINTS

5

Rbthu

Fthtro

EAUM3530

arting the engineorder for the ignition circuit cut-offstem to enable starting, one of thelowing conditions must be met:

The transmission is in the neutralposition.The transmission is in gear withthe clutch lever pulled and thesidestand up.See page 3-19 for more informa-tion.

. Turn the key to “ON” and makesure that the engine stop switch isset to “ ”.The following warning lights andindicator lights should come on fora few seconds, then go off. Neutral indicator light Turn signal indicator light High beam indicator light Engine trouble warning light Fuel level warning light Tachometer high-rpm warn-

ing light

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

OPERATION AND IMPORT

5-1

EAU15952

ead the Owner’s Manual carefully toecome familiar with all controls. Ifere is a control or function you do not

nderstand, ask your Yamaha dealer.

WARNINGEWA10272

ailure to familiarize yourself withe controls can lead to loss of con-ol, which could cause an accidentr injury.

EAU48021

TIPThis model is equipped with a lean an-gle sensor to stop the engine in case ofa turnover. In this case, the multi-func-tion display indicates error code 30,but this is not a malfunction. Turn thekey to “OFF” and then to “ON” to clearthe error code. Failing to do so will pre-vent the engine from starting eventhough the engine will crank whenpushing the start switch.

StIn syfol

1

Page 40: MT125 MT125A - Yamaha Motor

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5

N

If notudi3-an

N

If coplw

2

3

EAU16673

ifting

fting gears lets you control theount of engine power available forrting off, accelerating, climbing hills,. gear positions are shown in the il-

tration.

shift the transmission into the neu- position, press the shift pedal downeatedly until it reaches the end of itsel, and then slightly raise it.

hift pedaleutral position

203

1N23456

1 2

U5D7E4E0.book Page 2 Thursday, July 10, 2014 3:01 PM

PERATION AND IMPORTANT RIDING POINTS

5-2

OTICEECA11834

a warning or indicator light doest come on initially when the key isrned to “ON”, or if a warning or in-cator light remains on, see page2 for the corresponding warningd indicator light circuit check.

For ABS models:The ABS warning light shouldcome on when the key is turned to“ON”, and then go off after travel-ing at a speed of 10 km/h (6 mi/h)or higher.

OTICEECA17682

the ABS warning light does notme on and then go off as ex-

ained above, see page 3-2 for thearning light circuit check.

. Shift the transmission into theneutral position. The neutral indi-cator light should come on. If not,ask a Yamaha dealer to check theelectrical circuit.

. Start the engine by pushing thestart switch.

If the engine fails to start, releasethe start switch, wait a few sec-onds, and then try again. Eachstarting attempt should be asshort as possible to preserve thebattery. Do not crank the enginemore than 10 seconds on any oneattempt.

NOTICEECA11043

For maximum engine life, never ac-celerate hard when the engine iscold!

Sh

ShiamstaetcThelus

TIPTo tralreptrav

1. S2. N

ZAUM1

Page 41: MT125 MT125A - Yamaha Motor

ANT RIDING POINTS

5

NEAU16831

gine break-inere is never a more important periodhe life of your engine than the periodtween 0 and 1000 km (600 mi). Fors reason, you should read the fol-ing material carefully.ce the engine is brand new, do nott an excessive load on it for the first00 km (600 mi). The various parts in engine wear and polish themselvesthe correct operating clearances.ring this period, prolonged full-throt- operation or any condition thatght result in engine overheatingst be avoided.

EAU16983

500 km (0–300 mi)oid prolonged operation above 6000in.er every hour of operation, stop thegine, and then let it cool for five to minutes.ry the engine speed from time toe. Do not operate the engine at one

t throttle position.

U5D7E4E0.book Page 3 Thursday, July 10, 2014 3:01 PM

OPERATION AND IMPORT

5-3

OTICEECA10261

Even with the transmission inthe neutral position, do notcoast for long periods of timewith the engine off, and do nottow the motorcycle for long dis-tances. The transmission isproperly lubricated only whenthe engine is running. Inade-quate lubrication may damagethe transmission.

Always use the clutch whilechanging gears to avoid dam-aging the engine, transmission,and drive train, which are notdesigned to withstand theshock of forced shifting.

EAU16811

Tips for reducing fuel con-sumptionFuel consumption depends largely onyour riding style. Consider the follow-ing tips to reduce fuel consumption: Shift up swiftly, and avoid high en-

gine speeds during acceleration. Do not rev the engine while shift-

ing down, and avoid high enginespeeds with no load on the en-gine.

Turn the engine off instead of let-ting it idle for an extended lengthof time (e.g., in traffic jams, at traf-fic lights or at railroad crossings).

EnThin tbethilowSinpu10theto Dutlemimu

0–Avr/mAftentenVatimse

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50Avr/mRegetimofchemcl

10Thm

N

U5D7E4E0.book Page 4 Thursday, July 10, 2014 3:01 PM

PERATION AND IMPORTANT RIDING POINTS

5-4

0–1000 km (300–600 mi)oid prolonged operation above 8000in.

v the engine freely through thears, but do not use full throttle at anye. NOTICE: After 1000 km (600 mi)

operation, the engine oil must beanged, the oil filter cartridge or el-ent replaced, and the oil strainer

eaned. [ECA10322]

00 km (600 mi) and beyonde vehicle can now be operated nor-ally.

OTICEECA10311

Keep the engine speed out ofthe tachometer red zone.If any engine trouble should oc-cur during the engine break-inperiod, immediately have aYamaha dealer check the vehi-cle.

EAU17214

ParkingWhen parking, stop the engine, andthen remove the key from the mainswitch.

WARNINGEWA10312

Since the engine and exhaustsystem can become very hot,park in a place where pedestri-ans or children are not likely totouch them and be burned.

Do not park on a slope or on softground, otherwise the vehiclemay overturn, increasing therisk of a fuel leak and fire.

Do not park near grass or otherflammable materials whichmight catch fire.

Page 43: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

PluspvpapTmcnpgthb

Fctiysyvs

EAU17303

ission controls not only function tosure cleaner air, but are also vital toper engine operation and maximum

rformance. In the following periodicintenance charts, the services relat- to emissions control are groupedparately. These services requireecialized data, knowledge, anduipment. Maintenance, replace-nt, or repair of the emission controlvices and systems may be per-med by any repair establishment orividual that is certified (if applicable).maha dealers are trained anduipped to perform these particularrvices.

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-1

EAU17245

eriodic inspection, adjustment, andbrication will keep your vehicle in theafest and most efficient conditionossible. Safety is an obligation of theehicle owner/operator. The most im-ortant points of vehicle inspection,djustment, and lubrication are ex-lained on the following pages.he intervals given in the periodicaintenance charts should be simply

onsidered as a general guide underormal riding conditions. However, de-ending on the weather, terrain, geo-raphical location, and individual use,e maintenance intervals may need toe shortened.

WARNINGEWA10322

ailure to properly maintain the vehi-le or performing maintenance ac-vities incorrectly may increaseour risk of injury or death duringervice or while using the vehicle. Ifou are not familiar with vehicle ser-ice, have a Yamaha dealer performervice.

WARNINGEWA15123

Turn off the engine when performingmaintenance unless otherwisespecified. A running engine has moving

parts that can catch on bodyparts or clothing and electricalparts that can cause shocks orfires.

Running the engine while ser-vicing can lead to eye injury,burns, fire, or carbon monoxidepoisoning – possibly leading todeath. See page 1-3 for more in-formation about carbon monox-ide.

WARNINGEWA15461

Brake discs, calipers, drums, andlinings can become very hot duringuse. To avoid possible burns, letbrake components cool beforetouching them.

EmenpropemaedsespeqmedeforindYaeqse

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6

O

ThthThmowyomevwce

TIIf ena

1.2.

ZAU

U5D7E4E0.book Page 2 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-2

EAU17362

wner’s tool kit

e owner’s tool kit is located undere rider seat. (See page 3-18.)e service information included in thisanual and the tools provided in thener’s tool kit are intended to assistu in the performance of preventiveaintenance and minor repairs. How-er, additional tools such as a torquerench may be necessary to performrtain maintenance work correctly.

Pyou do not have the tools or experi-ce required for a particular job, have

Yamaha dealer perform it for you.

Owner’s tool kit (for ABS models)Owner’s tool kit

M12322

Page 45: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

EAU46872

Ted maintenance, or for the UK, a

m (3500 mi).require special tools, data and tech-

EAU46921

P

N

EADINGANNUAL CHECKm

i)18000 km (10500 mi)

24000 km (14000 mi)

1 √ √ √

2√

3 √ √

4 √ √ √

U5D7E4E0.book Page 3 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-3

IP The annual checks must be performed every year, except if a kilometer-bas

mileage-based maintenance, is performed instead. From 30000 km (17500 mi), repeat the maintenance intervals starting from 6000 k Items marked with an asterisk should be performed by a Yamaha dealer as they

nical skills.

eriodic maintenance chart for the emission control system

O. ITEM CHECK OR MAINTENANCE JOB

ODOMETER R

1000 km (600 mi)

6000 km (3500 mi)

12000 k(7000 m

* Fuel line • Check fuel hoses for cracks or damage. √ √

Spark plug• Check condition.• Clean and regap. √

• Replace. √

* Valves • Check valve clearance.• Adjust. √ √

* Fuel injection • Check engine idle speed. √ √

Page 46: MT125 MT125A - Yamaha Motor

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6

EAU1771A

G

N

ADINGANNUAL CHECK

)18000 km (10500 mi)

24000 km (14000 mi)

1√

2 √ √

3 √ √ √

4 √ √

5√ √ √

worn to the limit

6√ √ √

worn to the limit

7√ √ √

ry 4 years

8 ry 2 years

9 √ √

U5D7E4E0.book Page 4 Thursday, September 4, 2014 1:03 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-4

eneral maintenance and lubrication chart

O. ITEM CHECK OR MAINTENANCE JOB

ODOMETER RE

1000 km (600 mi)

6000 km (3500 mi)

12000 km(7000 mi

* Air filter element• Clean. √

• Replace. √

Air filter check hose • Clean. √ √ √

* Battery

• Check electrolyte level and spe-cific gravity.

• Make sure that the breather hose is properly routed.

√ √

Clutch • Check operation.• Adjust. √ √ √

* Front brake• Check operation, fluid level and

vehicle for fluid leakage. √ √ √

• Replace brake pads. Whenever

* Rear brake• Check operation, fluid level and

vehicle for fluid leakage. √ √ √

• Replace brake pads. Whenever

* Brake hoses

• Check for cracks or damage.• Check for correct routing and

clamping.√ √

• Replace. Eve

* Brake fluid • Replace. Eve

* Wheels • Check runout and for damage. √ √

Page 47: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

1 √ √ √

1 √ √

1√ √

00 km (14000 mi)

1 ashing the motorcycle, riding in the rain or in wet areas

1√ √

00 km (14000 mi)

1 √ √ √

1 √ √ √

1 √ √ √

1 √ √ √

N

EADINGANNUAL CHECKm

i)18000 km (10500 mi)

24000 km (14000 mi)

U5D7E4E0.book Page 5 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-5

0 * Tires

• Check tread depth and for dam-age.

• Replace if necessary.• Check air pressure.• Correct if necessary.

√ √

1 * Wheel bearings • Check bearings for looseness or damage. √ √

2 * Swingarm

• Check operation and for exces-sive play. √ √

• Lubricate with lithium-soap-based grease. Every 240

3 Drive chain

• Check chain slack, alignment and condition.

• Adjust and lubricate chain with a special O-ring chain lubricant thoroughly.

Every 1000 km (600 mi) and after wriding

4 * Steering bearings

• Check bearing play and steering for roughness. √ √ √

• Lubricate with lithium-soap-based grease. Every 240

5 * Chassis fasteners • Make sure that all nuts, bolts and screws are properly tightened. √ √

6 Brake lever pivot shaft • Lubricate with silicone grease. √ √

7 Brake pedal pivot shaft

• Lubricate with lithium-soap-based grease. √ √

8 Clutch lever pivot shaft

• Lubricate with lithium-soap-based grease. √ √

O. ITEM CHECK OR MAINTENANCE JOB

ODOMETER R

1000 km (600 mi)

6000 km (3500 mi)

12000 k(7000 m

Page 48: MT125 MT125A - Yamaha Motor

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6

19 √ √ √

20 √ √ √

21 √ √

22 √ √

23

√ √

24

dicator light flashes (2000 km (1200 mi) af- [600 mi] and every 3000 km (1800 mi)

thereafter)

1800 mi) √

25 √ √

26√ √ √

ry 3 years

27 √ √ √

28 √ √ √

N

ADINGANNUAL CHECK

)18000 km (10500 mi)

24000 km (14000 mi)

U5D7E4E0.book Page 6 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-6

Sidestand• Check operation.• Lubricate with lithium-soap-

based grease.√ √

* Sidestand switch • Check operation. √ √ √

* Front fork • Check operation and for oil leak-age. √ √

* Shock absorber as-sembly

• Check operation and shock ab-sorber for oil leakage. √ √

*

Rear suspension re-lay arm and con-necting arm pivoting points

• Check operation. √ √

• Lubricate with lithium-soap-based grease. √

Engine oil

• Change. (See pages 3-10 and 6-10.) √

When the oil change inter the initial 1000 km

• Check oil level and vehicle for oil leakage. Every 3000 km (

Engine oil filter ele-ment • Replace. √ √ √

* Cooling system• Check coolant level and vehicle

for coolant leakage. √ √

• Change coolant. Eve

* Front and rear brake switches • Check operation. √ √ √

Moving parts and cables • Lubricate. √ √

O. ITEM CHECK OR MAINTENANCE JOB

ODOMETER RE

1000 km (600 mi)

6000 km (3500 mi)

12000 km(7000 mi

Page 49: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

EAUM2071

Ty areas.

2 √ √ √

3 √ √ √

N

EADINGANNUAL CHECKm

i)18000 km (10500 mi)

24000 km (14000 mi)

U5D7E4E0.book Page 7 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-7

IP The air filter needs more frequent service if you are riding in unusually wet or dust Hydraulic brake service

• Regularly check and, if necessary, correct the brake fluid level.• Every two years change the brake fluid.• Replace the brake hoses every four years and if cracked or damaged.

9 * Throttle grip

• Check operation.• Check throttle grip free play, and

adjust if necessary.• Lubricate cable and grip housing.

√ √

0 * Lights, signals and switches

• Check operation.• Adjust headlight beam. √ √ √

O. ITEM CHECK OR MAINTENANCE JOB

ODOMETER R

1000 km (600 mi)

6000 km (3500 mi)

12000 k(7000 m

Page 50: MT125 MT125A - Yamaha Motor

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6

RinThmnaRein

Co

ToReco

install the cowlingPlace the cowling in the originalposition, and then install thescrews.Install cowling A.

1.2.

ZAU

crewowling B

crewowling B

219

FULL

LOW

1

206

YAMAHA

1 2

U5D7E4E0.book Page 8 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-8

EAU18782

emoving and installing cowl-gse cowlings shown need to be re-oved to perform some of the mainte-nce jobs described in this chapter.fer to this section each time a cowl-

g needs to be removed and installed.

EAUM3480

wling A

remove the cowlingmove the screws, and then take thewling off.

To install the cowlingPlace the cowling in the original posi-tion, and then install the screws.

Cowling B

To remove the cowling1. Remove cowling A. (See page

6-8.)2. Remove the screws shown, and

then take the cowling off.

To 1.

2.

Cowling ACowling B

M1204

1. Cowling A2. Screw

ZAUM1205

2

1

1. S2. C

1. S2. C

ZAUM1

ZAUM1

Page 51: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

CTcSspintetic

T

. Check the spark plug for electrodeerosion and excessive carbon orother deposits, and replace it ifnecessary.

. Measure the spark plug gap with awire thickness gauge and, if nec-essary, adjust the gap to specifi-cation.

1.

Specified spark plug:NGK/CR9E

Spark plug gap

Spark plug gap:0.7–0.8 mm (0.028–0.031 in)

1

0037

U5D7E4E0.book Page 9 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-9

EAU19605

hecking the spark plughe spark plug is an important engineomponent, which is easy to check.ince heat and deposits will cause anypark plug to slowly erode, the sparklug should be removed and checked accordance with the periodic main-nance and lubrication chart. In addi-

on, the condition of the spark plugan reveal the condition of the engine.

o remove the spark plug1. Remove the spark plug cap.

2. Remove the spark plug as shown,with the spark plug wrench includ-ed in the owner’s tool kit.

To check the spark plug1. Check that the porcelain insulator

around the center electrode of thespark plug is a medium-to-lighttan (the ideal color when the vehi-cle is ridden normally).

TIPIf the spark plug shows a distinctly dif-ferent color, the engine could be oper-ating improperly. Do not attempt todiagnose such problems yourself. In-stead, have a Yamaha dealer checkthe vehicle.

2

3

Spark plug cap

1. Spark plug wrench

1.

ZAUM

Page 52: MT125 MT125A - Yamaha Motor

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6

To1

2

TIIf wes1/spsp

3

engine oil should be between theimum and maximum level marks.

ngine oil filler cap

ipstickaximum level markinimum level mark

1

23

UE1300

U5D7E4E0.book Page 10 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-10

install the spark plug. Clean the surface of the spark

plug gasket and its mating sur-face, and then wipe off any grimefrom the spark plug threads.

. Install the spark plug with thespark plug wrench, and then tight-en it to the specified torque.

Pa torque wrench is not available

hen installing a spark plug, a goodtimate of the correct torque is 1/4–2 turn past finger tight. However, theark plug should be tightened to theecified torque as soon as possible.

. Install the spark plug cap.

EAUM3490

Engine oil and oil filter ele-mentThe engine oil level should be checkedbefore each ride. In addition, the oilmust be changed and the oil filter ele-ment replaced at the intervals specifiedin the periodic maintenance and lubri-cation chart.

To check the engine oil level1. Place the vehicle on a level sur-

face and hold it in an upright posi-tion. A slight tilt to the side canresult in a false reading.

2. Start the engine, warm it up forseveral minutes, and then turn itoff.

3. Wait a few minutes until the oil set-tles, remove the oil filler cap, wipethe dipstick clean, insert it backinto the oil filler hole (withoutscrewing it in), and then remove itagain to check the oil level.NOTICE: Do not operate the ve-hicle until you know that the en-gine oil level is sufficient. [ECA10012]

TIPThemin

Tightening torque:Spark plug:

12.5 Nm (1.25 m·kgf, 9.04 ft·lbf)

1. E

1. D2. M3. M

ZA

Page 53: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

Twm

. Clean the engine oil strainer withsolvent.

ip steps 7–9 if the oil filter element ist being replaced.

. Remove the oil filter element coverby removing the bolts.

Engine oil drain boltO-ringCompression springStrainerOil pan

U5D7E4E0.book Page 11 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-11

4. If the engine oil is below the mini-mum level mark, add sufficient oilof the recommended type to raiseit to the correct level.

5. Install the oil filler cap.

o change the engine oil (with orithout oil filter element replace-ent)

1. Remove cowling B. (See page6-8.)

2. Start the engine, warm it up forseveral minutes, and then turn itoff.

3. Install the engine oil drain attach-ment, provided with the owner’stool kit, under the drain bolt of thecrankcase.

4. Place an oil pan under the engineto collect the used oil.

5. Remove the engine oil filler capand the drain bolt along with theO-ring, compression spring, andengine oil strainer, to drain the oilfrom the crankcase. NOTICE:When removing the engine oildrain bolt, the O-ring, compres-sion spring, and oil strainer willfall out. Take care not to losethese parts. [ECA11002]

6

TIPSkno

7

1. Engine oil drain bolt (crankcase)2. Engine oil drain attachment

ZAUM1229

2

1.2.3.4.5.

Page 54: MT125 MT125A - Yamaha Motor

P

68

Refill with the specified amount ofthe recommended engine oil, andthen install and tighten the oil fillercap.

TICEECA11621

In order to prevent clutch slip-page (since the engine oil alsolubricates the clutch), do notmix any chemical additives. Donot use oils with a diesel speci-fication of “CD” or oils of a high-er quality than specified. Inaddition, do not use oils labeled“ENERGY CONSERVING II” orhigher.Make sure that no foreign mate-rial enters the crankcase.

1.2.

1.2.

ecommended engine oil:See page 8-1.

il quantity:Without oil filter element replace-ment:

0.95 L (1.00 US qt, 0.84 Imp.qt)With oil filter element replacement:

1.00 L (1.06 US qt, 0.88 Imp.qt)

U5D7E4E0.book Page 12 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-12

. Remove and replace the oil filterelement and O-ring.

9. Install the oil filter element coverby installing the bolts, then tight-ening them to the specifiedtorque.

TIPMake sure that the O-ring is properlyseated.

10. Install the engine oil strainer, com-pression spring, O-ring and theengine oil drain bolt, and thentighten it to the specified torque.NOTICE: Before installing theengine oil drain bolt, do not for-get to install the O-ring, com-pression spring, and oil strainerin position. [ECA10422]

11.

NO

BoltOil filter element cover

Oil filter elementO-ring

Tightening torques:Oil filter element cover bolt:

10 Nm (1.0 m·kgf, 7.2 ft·lbf)

Tightening torques:Engine oil drain bolt:

32 Nm (3.2 m·kgf, 23 ft·lbf)

R

O

Page 55: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

1

1

1

. If the coolant is at or below theminimum level mark, removecowling A (See page 6-8.), andthen open the reservoir cap.WARNING! Remove only thecoolant reservoir cap. Never at-tempt to remove the radiatorcap when the engine is hot.[EWA15162]

. Add coolant to the maximum levelmark, and then close the reservoircap. NOTICE: If coolant is notavailable, use distilled water orsoft tap water instead. Do notuse hard water or salt watersince it is harmful to the engine.

Coolant reservoir capMaximum level markMinimum level mark

1207

FULL

LOW

U5D7E4E0.book Page 13 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-13

2. Start the engine, and then let it idlefor several minutes while checkingit for oil leakage. If oil is leaking,immediately turn the engine offand check for the cause.

3. Turn the engine off, and thencheck the oil level and correct it ifnecessary.

4. Reset the oil change indicator.(See page 3-10.)

EAU20071

CoolantThe coolant level should be checkedbefore each ride. In addition, the cool-ant must be changed at the intervalsspecified in the periodic maintenanceand lubrication chart.

EAUM1726

To check the coolant level1. Place the vehicle on a level sur-

face and hold it in an upright posi-tion.

TIP The coolant level must be

checked on a cold engine sincethe level varies with engine tem-perature.

Make sure that the vehicle is posi-tioned straight up when checkingthe coolant level. A slight tilt to theside can result in a false reading.

2. Check the coolant level in thecoolant reservoir.

TIPThe coolant should be between theminimum and maximum level marks.

3

4

1.2.3.

ZAUM

23

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6

5

ChThteteYaWthho

If dirt or water is visible, removethe hose, clean it, and then installit.

U5D7E4E0.book Page 14 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-14

If water has been used insteadof coolant, replace it with cool-ant as soon as possible, other-wise the cooling system will notbe protected against frost andcorrosion. If water has beenadded to the coolant, have aYamaha dealer check the anti-freeze content of the coolant assoon as possible, otherwise theeffectiveness of the coolant willbe reduced. [ECA10473]

. Install the cowling.

EAU33032

anging the coolante coolant must be changed at the in-

rvals specified in the periodic main-nance and lubrication chart. Have amaha dealer change the coolant.ARNING! Never attempt to removee radiator cap when the engine ist. [EWA10382]

EAUM2391

Replacing the air filter ele-ment and cleaning the check hoseThe air filter element should be re-placed at the intervals specified in theperiodic maintenance and lubricationchart. Have a Yamaha dealer replacethe air filter element more frequently ifyou are riding in unusually wet or dustyareas. In addition, the air filter checkhose must be frequently checked andcleaned if necessary.

To clean the air filter check hose1. Check the hose on the side of the

air filter case for accumulated dirtor water.

2.

Coolant reservoir capacity (up to the maximum level mark):

0.25 L (0.26 US qt, 0.22 Imp.qt)

1. Air filter check hose

Page 57: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

CsCnY

. To increase the throttle grip freeplay, turn the adjusting nut in di-rection (a). To decrease the throt-tle grip free play, turn the adjustingnut in direction (b).

. Tighten the locknut and then slidethe rubber cover to its original po-sition.

Rubber coverAdjusting nutLocknut

12082 3

U5D7E4E0.book Page 15 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-15

EAU44735

hecking the engine idling peedheck the engine idling speed and, ifecessary, have it corrected by aamaha dealer.

EAU48433

Adjusting the throttle grip free play

The throttle grip free play should mea-sure 3.0–5.0 mm (0.12–0.20 in) at theinner edge of the throttle grip. Periodi-cally check the throttle grip free playand, if necessary, adjust it as follows.

TIPThe engine idling speed must be cor-rectly adjusted before checking andadjusting the throttle grip free play.

1. Slide the rubber cover back.2. Loosen the locknut.

3

4

Engine idling speed:1350–1550 r/min

1. Throttle grip free play

1

1.2.3.

ZAUM

1

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VThreanfromatm

weight of rider, passenger, car-go, and accessories approvedfor this model.

WARNINGEWA10512

ver overload your vehicle. Opera- of an overloaded vehicle couldse an accident.

ire air pressure (measured on cold ires):

0–90 kg (0–198 lb):Front:

180 kPa (1.80 kgf/cm², 26 psi)Rear:

200 kPa (2.00 kgf/cm², 29 psi)MT125 90–180 kg (198–397 lb)MT125A 90–178 kg (198–392 lb):

Front:180 kPa (1.80 kgf/cm², 26 psi)

Rear:225 kPa (2.25 kgf/cm², 33 psi)

aximum load*:MT125 180 kg (397 lb)MT125A 178 kg (392 lb)

* Total weight of rider, passenger, car-go and accessories

U5D7E4E0.book Page 16 Thursday, July 10, 2014 3:01 PM

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EAU21402

alve clearancee valve clearance changes with use,sulting in improper air-fuel mixtured/or engine noise. To prevent thism occurring, the valve clearance

ust be adjusted by a Yamaha dealer the intervals specified in the periodicaintenance and lubrication chart.

EAUM2405

TiresTires are the only contact between thevehicle and the road. Safety in all con-ditions of riding depends on a relativelysmall area of road contact. Therefore, itis essential to maintain the tires in goodcondition at all times and replace themat the appropriate time with the speci-fied tires.

Tire air pressureThe tire air pressure should bechecked and, if necessary, adjustedbefore each ride.

WARNINGEWA10504

Operation of this vehicle with im-proper tire pressure may cause se-vere injury or death from loss ofcontrol. The tire air pressure must be

checked and adjusted on coldtires (i.e., when the temperatureof the tires equals the ambienttemperature).

The tire air pressure must beadjusted in accordance with theriding speed and with the total

Netioncau

Tt

M

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Trithowre

TTfrp

e information

is motorcycle is equipped with tube-s tires, tire air valves and casteels.es age, even if they have not beened or have only been used occasion-. Cracking of the tread and sidewallber, sometimes accompanied by

rcass deformation, is an evidence ofeing. Old and aged tires shall beecked by tire specialists to ascertainir suitability for further use.

1.2.

Tire air valveTire air valve coreTire air valve cap with seal

1 2 3

U5D7E4E0.book Page 17 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-17

ire inspection

he tires must be checked before eachde. If the center tread depth reachese specified limit, if the tire has a nail

r glass fragments in it, or if the side-all is cracked, have a Yamaha dealerplace the tire immediately.

IPhe tire tread depth limits may differom country to country. Always com-ly with the local regulations.

WARNINGEWA10472

Have a Yamaha dealer replaceexcessively worn tires. Besidesbeing illegal, operating the vehi-cle with excessively worn tiresdecreases riding stability andcan lead to loss of control.

The replacement of all wheeland brake-related parts, includ-ing the tires, should be left to aYamaha dealer, who has thenecessary professional knowl-edge and experience to do so.

Ride at moderate speeds afterchanging a tire since the tiresurface must first be “brokenin” for it to develop its optimalcharacteristics.

Tir

ThleswhTirusallyrubcaagchthe

Tire sidewallTire tread depth

Minimum tire tread depth (front and rear):

1.6 mm (0.06 in)

1.2.3.

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Use only the specified replace-ment tires. Other tires may runthe danger of bursting at superhigh speeds.Brand-new tires can have a rel-atively poor grip on certain roadsurfaces until they have been“broken in”. Therefore, it is ad-visable before doing any high-speed riding to ride conserva-tively for approximately 100 km(60 mi) after installing a new tire.The tires must be warmed upbefore a high-speed run.Always adjust the tire air pres-sure according to the operatingconditions.

U5D7E4E0.book Page 18 Thursday, July 10, 2014 3:01 PM

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6-18

WARNINGEWA10902

The front and rear tires shouldbe of the same make and de-sign, otherwise the handlingcharacteristics of the motorcy-cle may be different, whichcould lead to an accident.Always make sure that the valvecaps are securely installed toprevent air pressure leakage.Use only the tire valves andvalve cores listed below toavoid tire deflation during a ride.

ter extensive tests, only the tires list- below have been approved for thisodel by Yamaha Motor Co., Ltd.

WARNINGEWA10601

This motorcycle is fitted with super-high-speed tires. Note the followingpoints in order to make the most ef-ficient use of these tires.

Front tire:Size:

100/80-17 M/C 52H(PIRELLI)-52S(MICHELIN)

Manufacturer/model:PIRELLI/SPORT DEMONMICHELIN/PILOT STREET

Tire air valve:TR412

Valve core:V3002 (original)

Rear tire:Size:

130/70-17 M/C 62H(PIRELLI)-62S(MICHELIN)

Manufacturer/model:PIRELLI/SPORT DEMONMICHELIN/PILOT STREET

Tire air valve:TR412

Valve core:V3002 (original)

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CTitns

the specified clutch lever free playuld be obtained as described above,ip steps 4–7.

. Fully turn the adjusting bolt at theclutch lever in direction (a) to loos-en the clutch cable.

. Loosen the locknut at the crank-case.

. To increase the clutch lever freeplay, turn the clutch lever free playadjusting nut in direction (a). Todecrease the clutch lever freeplay, turn the adjusting nut in di-rection (b).

LocknutClutch lever free play adjusting nut (crank-case)

U5D7E4E0.book Page 19 Thursday, July 10, 2014 3:01 PM

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6-19

EAU21963

ast wheelso maximize the performance, durabil-y, and safe operation of your vehicle,ote the following points regarding thepecified wheels. The wheel rims should be

checked for cracks, bends, warp-age or other damage before eachride. If any damage is found, havea Yamaha dealer replace thewheel. Do not attempt even thesmallest repair to the wheel. A de-formed or cracked wheel must bereplaced.

The wheel should be balancedwhenever either the tire or wheelhas been changed or replaced. Anunbalanced wheel can result inpoor performance, adverse han-dling characteristics, and a short-ened tire life.

EAU22045

Adjusting the clutch lever free play

The clutch lever free play should mea-sure 10.0–15.0 mm (0.39–0.59 in) asshown. Periodically check the clutchlever free play and, if necessary, adjustit as follows.

1. Slide the rubber cover back at theclutch lever.

2. Loosen the locknut.3. To increase the clutch lever free

play, turn the clutch lever free playadjusting bolt in direction (a). Todecrease the clutch lever freeplay, turn the adjusting bolt in di-rection (b).

TIPIf cosk

4

5

6

1. Clutch lever free play adjusting bolt2. Clutch lever free play

1.2.

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EAUM1354

justing the brake pedal free y

brake pedal free play should mea-e 3.5–4.5 mm (0.14–0.18 in) aswn. Periodically check the brakeal free play and, if necessary, haveamaha dealer adjust it.

WARNINGEWAM1031

incorrect brake pedal free playicates a hazardous condition in brake system. Do not operate motorcycle until the brake sys- has been checked or repaired

a Yamaha dealer.

rake pedal free play

U5D7E4E0.book Page 20 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-20

. Tighten the locknut at the crank-case.

. Tighten the locknut at the clutchlever and then slide the rubbercover to its original position.

EAUT1222

Checking the front brake lever free play

The brake lever free play should mea-sure 2.0–5.0 mm (0.08–0.20 in) asshown. Periodically check the brake le-ver free play and, if necessary, have aYamaha dealer check the brake sys-tem.

WARNINGEWA10642

An incorrect brake lever free play in-dicates a hazardous condition in thebrake system. Do not operate thevehicle until the brake system hasbeen checked or repaired by aYamaha dealer.

Adpla

Thesurshopeda Y

Anindthethetemby

1. Brake lever free playZAUM1179

INFOINFO

1. B

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F

TthstarethaTinligb

EAU22393

ecking the front and rear ake padse front and rear brake pads must beecked for wear at the intervals spec-d in the periodic maintenance andrication chart.

EAU22421

nt brake pads

ch front brake pad is provided with aar indicator groove, which allowsu to check the brake pad wear with-t having to disassemble the brake. check the brake pad wear, check wear indicator groove. If a braked has worn to the point that the wear

1.2.

ZA

(

Wear indicator groove

1180

1

U5D7E4E0.book Page 21 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-21

EAUM3541

rake light switches

or ABS models

he brake light, which is activated bye brake pedal and brake lever,

hould come on just before brakingkes effect. If necessary, adjust thear brake light switch as follows, bute front brake light switch should be

djusted by a Yamaha dealer.urn the rear brake light switch adjust-g nut while holding the rear brakeht switch in place. To make the

rake light come on earlier, turn the ad-

justing nut in direction (a). To make thebrake light come on later, turn the ad-justing nut in direction (b).

For non-ABS modelsThe brake light, which is activated bythe brake pedal and brake lever,should come on just before brakingtakes effect. If necessary, have aYamaha dealer check the brake lightswitches.

ChbrThchifielub

Fro

EaweyoouTothepa

Rear brake light switchRear brake light switch adjusting nut

UM1230

2a) (b)

1.

ZAUM

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Chanbrthhabr

ar brake

WARNINGEWA16011

roper maintenance can result ins of braking ability. Observese precautions:Insufficient brake fluid may al-low air to enter the brake sys-tem, reducing brakingperformance.Clean the filler cap before re-moving. Use only DOT 4 brakefluid from a sealed container.

1.

inimum level mark

pecified brake fluid:DOT 4

U5D7E4E0.book Page 22 Thursday, July 10, 2014 3:01 PM

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6-22

dicator groove has almost disap-ared, have a Yamaha dealer replacee brake pads as a set.

EAU22501

ar brake pads

eck each rear brake pad for damaged measure the lining thickness. If aake pad is damaged or if the liningickness is less than 1.5 mm (0.06 in),ve a Yamaha dealer replace theake pads as a set.

EAU40262

Checking the brake fluid levelBefore riding, check that the brake fluidis above the minimum level mark.Check the brake fluid level with the topof the reservoir level. Replenish thebrake fluid if necessary.

Front brake

Re

Implosthe

Lining thickness

1. Minimum level markZAUM1209

INFOINFO

1. M

S

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Bsc

Athdcscb

EAU22733

anging the brake fluidve a Yamaha dealer change theke fluid at the intervals specified in periodic maintenance and lubrica-

n chart. In addition, have the oil sealsthe master cylinders and calipers asll as the brake hoses replaced at theervals listed below or whenever they damaged or leaking.

Oil seals: Replace every twoyears.Brake hoses: Replace every fouryears.

U5D7E4E0.book Page 23 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-23

Use only the specified brake flu-id; otherwise, the rubber sealsmay deteriorate, causing leak-age.

Refill with the same type ofbrake fluid. Adding a brake fluidother than DOT 4 may result in aharmful chemical reaction.

Be careful that water or dustdoes not enter the brake fluidreservoir when refilling. Waterwill significantly lower the boil-ing point of the fluid and may re-sult in vapor lock, and dirt mayclog the ABS hydraulic unitvalves.

OTICEECA17641

rake fluid may damage paintedurfaces or plastic parts. Alwayslean up spilled fluid immediately.

s the brake pads wear, it is normal fore brake fluid level to gradually goown. A low brake fluid level may indi-ate worn brake pads and/or brakeystem leakage; therefore, be sure toheck the brake pads for wear and therake system for leakage. If the brake

fluid level goes down suddenly, have aYamaha dealer check the cause beforefurther riding.

ChHabrathetioof weintare

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To1

TIWchon

2

3

To tighten the drive chain, turn thedrive chain slack adjusting bolt oneach side of the swingarm in di-rection (a). To loosen the drivechain, turn the adjusting bolt oneach side of the swingarm in di-rection (b), and then push the rearwheel forward. NOTICE: Improp-er drive chain slack will over-load the engine as well as othervital parts of the motorcycle andcan lead to chain slippage orbreakage. To prevent this from

xle nutrive chain slack adjusting boltocknutlignment marks

183

U5D7E4E0.book Page 24 Thursday, July 10, 2014 3:01 PM

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6-24

EAU22762

rive chain slacke drive chain slack should beecked before each ride and adjusted

necessary.

EAUM3550

check the drive chain slack. Place the motorcycle on the side-

stand.

Phen checking and adjusting the driveain slack, there should be no weight the motorcycle.

. Shift the transmission into theneutral position.

. Measure the drive chain slack atthe arrow mark on the swingarmas shown in the illustration.

4. If the drive chain slack is incorrect,adjust it as follows.

EAU34318

To adjust the drive chain slackConsult a Yamaha dealer before ad-justing the drive chain slack.

1. Loosen the axle nut and the lock-nut on each side of the swingarm.

2.

Drive chain slack:35.0–45.0 mm (1.38–1.77 in)

1. Drive chain slackZAUM1233

1. A2. D3. L4. A

ZAUM1

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TUsbp

may contain substances thatcould damage the O-rings.[ECA11112]

U5D7E4E0.book Page 25 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-25

occurring, keep the drive chainslack within the specified limits.[ECA10572]

IPsing the alignment marks on eachide of the swingarm, make sure thatoth drive chain pullers are in the sameosition for proper wheel alignment.

3. Tighten the axle nut, then the lock-nuts to their specified torques.

4. Make sure that the drive chainpullers are in the same position,the drive chain slack is correct,and the drive chain movessmoothly.

EAU23026

Cleaning and lubricating the drive chainThe drive chain must be cleaned andlubricated at the intervals specified inthe periodic maintenance and lubrica-tion chart, otherwise it will quickly wearout, especially when riding in dusty orwet areas. Service the drive chain asfollows.

NOTICEECA10584

The drive chain must be lubricatedafter washing the motorcycle, ridingin the rain or riding in wet areas.

1. Clean the drive chain with kero-sene and a small soft brush.NOTICE: To prevent damagingthe O-rings, do not clean thedrive chain with steam cleaners,high-pressure washers or inap-propriate solvents. [ECA11122]

2. Wipe the drive chain dry.3. Thoroughly lubricate the drive

chain with a special O-ring chainlubricant. NOTICE: Do not useengine oil or any other lubri-cants for the drive chain, as they

Tightening torques:Axle nut:

85 Nm (8.5 m·kgf, 61 ft·lbf)Locknut:

16 Nm (1.6 m·kgf, 12 ft·lbf)

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EAU23144

ecking and lubricating the ke and clutch levers operation of the brake and clutchrs should be checked before each, and the lever pivots should be lu-ated if necessary.

ke lever

tch lever

184

INFO INFO

U5D7E4E0.book Page 26 Thursday, July 10, 2014 3:01 PM

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6-26

EAU23098

hecking and lubricating the blese operation of all control cables ande condition of the cables should beecked before each ride, and the ca-es and cable ends should be lubri-ted if necessary. If a cable ismaged or does not move smoothly,ve a Yamaha dealer check or re-ace it. WARNING! Damage to theter housing of cables may result

internal rusting and cause inter-rence with cable movement. Re-ace damaged cables as soon asssible to prevent unsafe condi-ns. [EWA10712]

EAU23115

Checking and lubricating the throttle grip and cableThe operation of the throttle gripshould be checked before each ride. Inaddition, the cable should be lubricat-ed by a Yamaha dealer at the intervalsspecified in the periodic maintenancechart.The throttle cable is equipped with arubber cover. Make sure that the coveris securely installed. Even though thecover is installed correctly, it does notcompletely protect the cable from wa-ter entry. Therefore, use care not topour water directly onto the cover orcable when washing the vehicle. If thecable or cover becomes dirty, wipeclean with a moist cloth.

ChbraTheleveridebric

Bra

CluRecommended lubricant:Yamaha cable lubricant or other suitable cable lubricant

ZAUM1

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EAU23203

ecking and lubricating the estand

e operation of the sidestand should checked before each ride, and theestand pivot and metal-to-metalntact surfaces should be lubricatedecessary.

WARNINGEWA10732

the sidestand does not move upd down smoothly, have a Yamahaaler check or repair it. Otherwise, sidestand could contact the

ound and distract the operator, re-lting in a possible loss of control.

Recommended lubricant:Lithium-soap-based grease

1211

U5D7E4E0.book Page 27 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-27

EAU23185

Checking and lubricating the brake pedalThe operation of the brake pedalshould be checked before each ride,and the pedal pivot should be lubricat-ed if necessary.

Chsid

Thbesidcoif n

If andethegrsu

Recommended lubricants:Brake lever:

Silicone greaseClutch lever:

Lithium-soap-based grease

Recommended lubricant:Lithium-soap-based grease

ZAUM1234

ZAUM

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TICEECA10591

ny damage is found or the frontk does not operate smoothly,e a Yamaha dealer check or re-r it.

212

YAMAHA

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6-28

EAUM1653

bricating the swingarm piv-se swingarm pivots must be lubricat- by a Yamaha dealer at the intervalsecified in the periodic maintenanced lubrication chart.

EAU23273

Checking the front forkThe condition and operation of thefront fork must be checked as followsat the intervals specified in the periodicmaintenance and lubrication chart.

To check the conditionCheck the inner tubes for scratches,damage and excessive oil leakage.

To check the operation1. Place the vehicle on a level sur-

face and hold it in an upright posi-tion. WARNING! To avoid injury,securely support the vehicle sothere is no danger of it fallingover. [EWA10752]

2. While applying the front brake,push down hard on the handle-bars several times to check if thefront fork compresses and re-bounds smoothly.

NO

If aforhavpai

Recommended lubricant:Lithium-soap-based grease ZAUM1

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CWcolopc

EAU23292

ecking the wheel bearings

e front and rear wheel bearings must checked at the intervals specified in periodic maintenance and lubrica-

n chart. If there is play in the wheelb or if the wheel does not turnoothly, have a Yamaha dealereck the wheel bearings.

U5D7E4E0.book Page 29 Thursday, July 10, 2014 3:01 PM

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EAU23284

hecking the steeringorn or loose steering bearings may

ause danger. Therefore, the operationf the steering must be checked as fol-ws at the intervals specified in theeriodic maintenance and lubricationhart.1. Place a stand under the engine to

raise the front wheel off theground. (See page 6-36 for moreinformation.) WARNING! Toavoid injury, securely supportthe vehicle so there is no dangerof it falling over. [EWA10752]

2. Hold the lower ends of the frontfork legs and try to move them for-ward and backward. If any freeplay can be felt, have a Yamahadealer check or repair the steer-ing.

Ch

Thbethetiohusmch

ZAUM1213

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electrolyte should be between theimum and maximum level marks.

If the electrolyte is at or below theminimum level mark, add distilledwater to raise it to the maximumlevel mark. NOTICE: Use onlydistilled water, as tap watercontains minerals that areharmful to the battery. [ECA10612]

Check and, if necessary, tightenthe battery lead connections andcorrect the breather hose routing.

aximum level markinimum level mark

2+UPPERLOWER

106

U5D7E4E0.book Page 30 Thursday, July 10, 2014 3:01 PM

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6-30

EAU23315

atterypoorly maintained battery will cor-de and discharge quickly. The elec-lyte level, battery lead connectionsd breather hose routing should beecked before each ride and at the in-rvals specified in the periodic main-nance and lubrication chart.

WARNINGEWA10771

Electrolyte is poisonous anddangerous since it contains sul-furic acid, which causes severeburns. Avoid any contact withskin, eyes or clothing and al-ways shield your eyes whenworking near batteries. In caseof contact, administer the fol-lowing FIRST AID.• EXTERNAL: Flush with plenty

of water.• INTERNAL: Drink large quan-

tities of water or milk and im-mediately call a physician.

• EYES: Flush with water for 15minutes and seek promptmedical attention.

Batteries produce explosive hy-drogen gas. Therefore, keepsparks, flames, cigarettes, etc.,away from the battery and pro-vide sufficient ventilation whencharging it in an enclosedspace.

Take care not to spill electrolyteon the drive chain, as this mayweaken it, shorten chain life andpossibly result in an accident.

KEEP THIS AND ALL BATTER-IES OUT OF THE REACH OFCHILDREN.

To check the electrolyte level1. Place the vehicle on a level sur-

face and hold it in an upright posi-tion.

TIPMake sure that the vehicle is posi-tioned straight up when checking theelectrolyte level.

2. Check the electrolyte level in thebattery.

TIPThemin

3.

4.

1. M2. M

1

ZAUM0

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placing the fusese fuse boxes, which contains thees for the individual circuits, are lo-ted under the rider seat. (See page8.)

a fuse for the individual circuits iswn, replace it as follows.. Turn the key to “OFF” and turn off

the electrical circuit in question.. Remove the blown fuse, and then

install a new fuse of the specifiedamperage. WARNING! Do notuse a fuse of a higher amperagerating than recommended toavoid causing extensive dam-age to the electrical system andpossibly a fire. [EWA15132]

Fuse box1188

U5D7E4E0.book Page 31 Thursday, July 10, 2014 3:01 PM

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6-31

o store the battery1. If the motorcycle will not be used

for more than one month, removethe battery, fully charge it, andthen place it in a cool, dry place.NOTICE: When removing thebattery, be sure the key isturned to “OFF”, then discon-nect the negative lead beforedisconnecting the positive lead.[ECA16303]

2. If the battery will be stored formore than two months, check thespecific gravity of the electrolyteat least once a month and fullycharge the battery whenever nec-essary.

3. Fully charge the battery before in-stallation. NOTICE: When install-ing the battery, be sure the keyis turned to “OFF”, then connectthe positive lead before con-necting the negative lead. [ECA16841]

4. After installation, make sure thatthe battery leads are properly con-nected to the battery terminalsand that the breather hose isproperly routed, in good condi-tion, and not obstructed. NOTICE:

If the breather hose is posi-tioned in such a way that theframe is exposed to electrolyteor gas expelled from the bat-tery, the frame could sufferstructural and external damag-es. [ECA10602]

ReThfusca3-1

If blo

1

2

1.ZAUM

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M

Turn the key to “ON” and turn onthe electrical circuit in question tocheck if the device operates.If the fuse immediately blowsagain, have a Yamaha dealercheck the electrical system.

1.2.3.4.5.6.7.

ZAU

pecified fuses:Main fuse:

20.0 AIgnition fuse:

7.5 ASignaling system fuse:

7.5 AHeadlight fuse:

15.0 ARadiator fan motor fuse:

5.0 AABS control unit fuse:

MT125A 10.0 AABS motor fuse:

MT125A 30.0 AABS solenoid fuse:

MT125A 20.0 ABackup fuse:

10.0 A

U5D7E4E0.book Page 32 Thursday, July 10, 2014 3:01 PM

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6-32

Pse tongs are included in the owner’sol kit. Use the tongs to remove andstall a fuse.

T125

MT125A

3.

4.

Headlight fuseSignaling system fuseIgnition fuseRadiator fan motor fuseMain fuseBackup fuseSpare fuse

M1189

1010

157.5

5 207.57.51520

5

7

1 2 3 4 5

6

1. Headlight fuse2. Signaling system fuse3. Ignition fuse4. Radiator fan motor fuse5. Main fuse6. ABS control unit fuse7. Spare fuse8. Backup fuse9. ABS solenoid fuse10.ABS motor fuse

ZAUM1231

10

30 3020

789

1010

157.5

207.57.515 520

5

7

1 2 3 4 5

6

S

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RTbb

N

Tin

. Remove the headlight bulb holderby turning it counterclockwise,and then remove the burnt-outbulb.

Headlight bulb coverHeadlight coupler

Headlight bulbHeadlight bulb holder

1221

21

1222

2

1

U5D7E4E0.book Page 33 Thursday, July 10, 2014 3:01 PM

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EAUM3501

eplacing the headlight bulbhis model is equipped with a halogenulb headlight. If the headlight bulburns out, replace it as follows.

OTICEECA10651

ake care not to damage the follow-g parts: Headlight bulb

Do not touch the glass part ofthe headlight bulb to keep it freefrom oil, otherwise the transpar-ency of the glass, the luminosityof the bulb, and the bulb life willbe adversely affected. Thor-oughly clean off any dirt and fin-gerprints on the headlight bulbusing a cloth moistened with al-cohol or thinner.

Headlight lensDo not affix any type of tintedfilm or stickers to the headlightlens.Do not use a headlight bulb of awattage higher than specified.

1. Remove the headlight unit by re-moving the bolts on each side.

2. Disconnect the headlight coupler,and then remove the headlightbulb cover.

3

1. Do not touch the glass part of the bulb.

1. BoltZAUM1220

1

1.2.

1.2.

ZAUM

ZAUM

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EAU24182

il/brake lights model is equipped with an LED-e tail/brake light.e tail/brake light does not come on,e a Yamaha dealer check it.

ZAU

U5D7E4E0.book Page 34 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-34

. Place a new headlight bulb intoposition, and then secure it withthe bulb holder.

. Install the headlight bulb cover,and then connect the coupler.

. Install the headlight unit as shown,and then install the bolt on eachside.

Peck the wire routing when headlightit is installed in order to avoid wire

nching and coupler disconnection.

. Have a Yamaha dealer adjust theheadlight beam if necessary.

EAU54501

Auxiliary lightThis model is equipped with LED-typeauxiliary lights.If an auxiliary light does not come on,have a Yamaha dealer check it.

TaThitypIf thhav

M1224

Page 77: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

Rb

EAUM3510

placing the license plate ht bulb. Remove the license plate light unit

by removing the screw.

. Remove the license plate lightbulb socket (together with thebulb) by pulling it out.

. Remove the burnt-out bulb bypulling it out.

. Insert a new bulb into the socket.

. Install the socket (together withthe bulb) by pushing it in.

. Install the license plate light unit byinstalling the screw.

1. License plate light bulb socketLicense plate light unitScrew

1190

23

U5D7E4E0.book Page 35 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-35

EAU24205

eplacing a turn signal light ulb1. Remove the turn signal light lens

by removing the screw.

2. Remove the burnt-out bulb bypushing it in and turning it coun-terclockwise.

3. Insert a new bulb into the socket,push it in, and then turn it clock-wise until it stops.

4. Install the lens by installing thescrew. NOTICE: Do not over-tighten the screw, otherwise thelens may break. [ECA11192]

Relig

1

2

3

45

6

Screw

1. Turn signal light bulbZAUM1223

1.2.3.

ZAUM

Page 78: MT125 MT125A - Yamaha Motor

P

6

SSicewwnastclfostde

To1

2

ToRauscy

EAU44792

nt wheel (for non-ABS dels)

WARNINGEWA14841

the ABS model, have a Yamahaler remove and install the wheel.

EAU56531

remove the front wheel

WARNINGEWA10822

avoid injury, securely support theicle so there is no danger of iting over.

Loosen the front wheel axle pinchbolts, then the wheel axle and thebrake caliper bolts.

U5D7E4E0.book Page 36 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-36

EAU24351

upporting the motorcyclence this model is not equipped with anterstand, follow these precautions

hen removing the front and rearheel or performing other mainte-nce requiring the motorcycle to

and upright. Check that the motorcy-e is in a stable and level position be-re starting any maintenance. Arong wooden box can be placed un-r the engine for added stability.

service the front wheel. Stabilize the rear of the motorcy-

cle by using a motorcycle standor, if an additional motorcyclestand is not available, by placing ajack under the frame in front of therear wheel.

. Raise the front wheel off theground by using a motorcyclestand.

service the rear wheelise the rear wheel off the ground bying a motorcycle stand or, if a motor-cle stand is not available, by placing

a jack either under each side of theframe in front of the rear wheel or undereach side of the swingarm.

Fromo

Fordea

To

To vehfall

1.

Page 79: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

. Retighten the wheel axle pinchbolt A to the specified torque.

. Tighten the brake caliper bolts tothe specified torques.

. Push down hard on the handlebarseveral times to check for properfork operation.

1.2.3.

1.2.

Z

Z

Tightening torques:Wheel axle:

59 Nm (5.9 m·kgf, 43 ft·lbf)Front wheel axle pinch bolt:

23 Nm (2.3 m·kgf, 17 ft·lbf)Brake caliper bolt:

38 Nm (3.8 m·kgf, 27 ft·lbf)

U5D7E4E0.book Page 37 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-37

2. Lift the front wheel off the groundaccording to the procedure in theprevious section “Supporting themotorcycle”.

3. Remove the brake caliper by re-moving the bolts. NOTICE: Donot apply the brake after thewheel and brake disc have beenremoved, otherwise the brakepads will be forced shut. [ECA11073]

4. Pull the wheel axle out, and thenremove the wheel.

To install the front wheel1. Lift the wheel up between the fork

legs.2. Insert the wheel axle.3. Lower the front wheel so that it is

on the ground.4. Install the brake caliper by install-

ing the bolts.

TIPMake sure that there is enough spacebetween the brake pads before install-ing the brake caliper onto the brakedisc.

5. Tighten the wheel axle to thespecified torque.

6. Tighten the wheel axle pinch boltA and pinch bolt B to the specifiedtorques.

7

8

9

Axle boltFront wheel axle pinch bolt AFront wheel axle pinch bolt B

Brake caliper boltBrake caliper

AUM1215 3

AUM1192

Page 80: MT125 MT125A - Yamaha Motor

P

6

Rm

Fode

To

Tovefa

1

Remove the drive chain from therear sprocket.

rive chain slack adjusting boltocknut

(a)

1 2

194

U5D7E4E0.book Page 38 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-38

EAU44802

ear wheel (for non-ABS odels)

WARNINGEWA14841

r the ABS model, have a Yamahaaler remove and install the wheel.

EAU56701

remove the rear wheel

WARNINGEWA10822

avoid injury, securely support thehicle so there is no danger of itlling over.

. Loosen the axle nut.

2. Lift the rear wheel off the groundaccording to the procedure onpage 6-36.

3. Remove the axle nut.4. Fully loosen the locknut on each

side of the swingarm.5. Turn the drive chain slack adjust-

ing bolts fully in direction (a) andpush the wheel forward.

6.

1. Axle nut2. Drive chain slack adjusting bolt3. Locknut4. Brake caliper

ZAUM1193

1. D2. L

ZAUM1

Page 81: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

T

T

T

Tightening torques:Axle nut:

85 Nm (8.5 m·kgf, 61 ft·lbf)Locknut:

16 Nm (1.6 m·kgf, 12 ft·lbf)

U5D7E4E0.book Page 39 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-39

IP If the drive chain is difficult to re-

move, remove the wheel axle first,and then lift the wheel upwardenough to remove the drive chainfrom the rear sprocket.

The drive chain cannot be disas-sembled.

7. While supporting the brake caliperbracket, pull the wheel axle out,and then remove the wheel.NOTICE: Do not apply the brakeafter the wheel and brake dischave been removed, otherwisethe brake pads will be forcedshut. [ECA11073]

o install the rear wheel1. Install the wheel and the brake cal-

iper bracket by inserting the wheelaxle from the left-hand side.

IP Make sure that the slot in the

brake caliper bracket is fit over theretainer on the swingarm.

Make sure that there is enoughspace between the brake padsbefore installing the wheel.

2. Install the drive chain onto the rearsprocket.

3. Install the axle nut.4. Lower the rear wheel so that it is

on the ground, and then put thesidestand down.

5. Adjust the drive chain slack. (Seepage 6-24.)

6. Tighten the axle nut, and thentighten the locknuts to the speci-fied torques.

1. Retainer2. Slot

Page 82: MT125 MT125A - Yamaha Motor

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TrAla frodufufoanThrefoseredethknprUsmlikinca

Wnonoea

U5D7E4E0.book Page 40 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-40

EAU25872

oubleshootingthough Yamaha motorcycles receivethorough inspection before shipmentm the factory, trouble may occurring operation. Any problem in the

el, compression, or ignition systems,r example, can cause poor startingd loss of power.e following troubleshooting chartspresent quick and easy proceduresr checking these vital systems your-lf. However, should your motorcyclequire any repair, take it to a Yamahaaler, whose skilled technicians havee necessary tools, experience, andow-how to service the motorcycleoperly.e only genuine Yamaha replace-

ent parts. Imitation parts may looke Yamaha parts, but they are oftenferior, have a shorter service life andn lead to expensive repair bills.

WARNINGEWA15142

hen checking the fuel system, dot smoke, and make sure there are open flames or sparks in the ar-, including pilot lights from water

heaters or furnaces. Gasoline orgasoline vapors can ignite or ex-plode, causing severe injury or prop-erty damage.

Page 83: MT125 MT125A - Yamaha Motor

AND ADJUSTMENT

6

EAUM2443

T

S

The engine does not start.Check the battery.

Operate the electric starter.

The engine does not start. Have a Yamaha dealer check the vehicle.

not start. ssion.

U5D7E4E0.book Page 41 Thursday, July 10, 2014 3:01 PM

PERIODIC MAINTENANCE

6-41

roubleshooting charts

tarting problems or poor engine performance

Check the fuel level inthe fuel tank.

1. FuelThere is enough fuel.

There is no fuel.

Check the compression.

Supply fuel.

Operate the electric starter.

2. CompressionThere is compression.

There is no compression.

Check the ignition.

Have a Yamaha dealercheck the vehicle.

Remove the spark plugand check the electrodes.

3. IgnitionWet

Dry

Wipe off with a dry cloth and correct the spark plug gap, or replace the spark plug.

Have a Yamaha dealer check the vehicle.

Operate the electric starter.

4. Battery The engine turns over quickly.

The engine turns over slowly.

The battery is good.

Check the electrolyte and batterylead connections, and charge thebattery if necessary.

The engine does Check the compre

Page 84: MT125 MT125A - Yamaha Motor

P

6

EnEWA10401

ding hot fluid and steam may beuntil the engine has cooled.

l, over the radiator cap, and thenessure to escape. When the hiss-

ise, and then remove the cap.

TIIf hanged to the recommended cool-an

Have a Yamaha dealer checkand repair the cooling system.

Add coolant. (See TIP.)

f the engine overheats again, have a eck and repair the cooling system.

ise.

is kage.

U5D7E4E0.book Page 42 Thursday, July 10, 2014 3:01 PM

ERIODIC MAINTENANCE AND ADJUSTMENT

6-42

gine overheating

WARNING

Do not remove the radiator cap when the engine and radiator are hot. Scalblown out under pressure, which could cause serious injury. Be sure to wait After removing the radiator cap retaining bolt, place a thick rag, like a toweslowly rotate the cap counterclockwise to the detent to allow any residual pring sound has stopped, press down on the cap while turning it counterclockw

Pcoolant is not available, tap water can be temporarily used instead, provided that it is ct as soon as possible.

Wait until the engine has cooled.

Check the coolant level in the reservoir and radiator.

The coolant level is OK.

The coolant level is low.Check the cooling systemfor leakage.

Start the engine. IYamaha dealer ch

There leakag

There no lea

Page 85: MT125 MT125A - Yamaha Motor

ARE AND STORAGE

7

M

N

Smsafobcththbis

ucts onto seals, gaskets, sprock-ets, the drive chain and wheelaxles. Always rinse the dirt anddegreaser off with water.

eaning

OTICEECA10773

Avoid using strong acidic wheelcleaners, especially on spokedwheels. If such products areused on hard-to-remove dirt, donot leave the cleaner on the af-fected area any longer than in-structed. Also, thoroughly rinsethe area off with water, immedi-ately dry it, and then apply a cor-rosion protection spray.Improper cleaning can damageplastic parts (such as cowlings,panels, windshields, headlightlenses, meter lenses, etc.) andthe mufflers. Use only a soft,clean cloth or sponge with wa-ter to clean plastic. However, ifthe plastic parts cannot be thor-oughly cleaned with water, di-luted mild detergent with watermay be used. Be sure to rinse

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

MOTORCYCLE C

7-1

EAU37834

atte color caution

OTICEECA15193

ome models are equipped withatte colored finished parts. Be

ure to consult a Yamaha dealer fordvice on what products to use be-re cleaning the vehicle. Using a

rush, harsh chemical products orleaning compounds when cleaningese parts will scratch or damageeir surface. Wax also should not

e applied to any matte colored fin-hed parts.

EAUM2453

CareWhile the open design of a motorcyclereveals the attractiveness of the tech-nology, it also makes it more vulnera-ble. Rust and corrosion can developeven if high-quality components areused. A rusty exhaust pipe may go un-noticed on a car, however, it detractsfrom the overall appearance of a mo-torcycle. Frequent and proper caredoes not only comply with the terms ofthe warranty, but it will also keep yourmotorcycle looking good, extend itslife and optimize its performance.

Before cleaning1. Cover the muffler outlet with a

plastic bag after the engine hascooled down.

2. Make sure that all caps and cov-ers as well as all electrical cou-plers and connectors, includingthe spark plug cap, are tightly in-stalled.

3. Remove extremely stubborn dirt,like oil burnt onto the crankcase,with a degreasing agent and abrush, but never apply such prod-

Cl

N

Page 86: MT125 MT125A - Yamaha Motor

M

7

t sprayed on roads in the wintery remain well into spring.

Clean the motorcycle with coldwater and a mild detergent, afterthe engine has cooled down.NOTICE: Do not use warm wa-ter since it increases the corro-sive action of the salt. [ECA10792]

After drying the motorcycle, applya corrosion protection spray on allmetal, including chrome- andnickel-plated, surfaces to preventcorrosion.

er cleaningDry the motorcycle with a chamoisor an absorbing cloth.Immediately dry the drive chainand lubricate it to prevent it fromrusting.Use a chrome polish to shinechrome, aluminum and stainless-steel parts, including the exhaustsystem. (Even the thermally in-duced discoloring of stainless-steel exhaust systems can be re-moved through polishing.)

U5D7E4E0.book Page 2 Thursday, July 10, 2014 3:01 PM

OTORCYCLE CARE AND STORAGE

7-2

off any detergent residue usingplenty of water, as it is harmfulto plastic parts.Do not use any harsh chemicalproducts on plastic parts. Besure to avoid using cloths orsponges which have been incontact with strong or abrasivecleaning products, solvent orthinner, fuel (gasoline), rust re-movers or inhibitors, brake fluid,antifreeze or electrolyte.Do not use high-pressure wash-ers or steam-jet cleaners sincethey cause water seepage anddeterioration in the following ar-eas: seals (of wheel and swing-arm bearings, fork and brakes),electric components (couplers,connectors, instruments,switches and lights), breatherhoses and vents.For motorcycles equipped witha windshield: Do not use strongcleaners or hard sponges asthey will cause dulling orscratching. Some cleaningcompounds for plastic mayleave scratches on the wind-

shield. Test the product on asmall hidden part of the wind-shield to make sure that it doesnot leave any marks. If the wind-shield is scratched, use a qualityplastic polishing compound af-ter washing.

After normal useRemove dirt with warm water, a milddetergent, and a soft, clean sponge,and then rinse thoroughly with cleanwater. Use a toothbrush or bottlebrushfor hard-to-reach areas. Stubborn dirtand insects will come off more easily ifthe area is covered with a wet cloth fora few minutes before cleaning. Use thespecial sponge, which is located underthe tool kit, to clean the muffler and toremove any discoloration from it.

After riding in the rain, near the sea oron salt-sprayed roadsSince sea salt or salt sprayed on roadsduring winter are extremely corrosivein combination with water, carry outthe following steps after each ride inthe rain, near the sea or on salt-sprayed roads.

TIPSalma

1.

2.

Aft1.

2.

3.

Page 87: MT125 MT125A - Yamaha Motor

ARE AND STORAGE

7Cc

EAU43203

orage

ort-termays store your motorcycle in a cool, place and, if necessary, protect it

ainst dust with a porous cover. Bere the engine and the exhaust sys-

are cool before covering the mo-cycle.

OTICEECA10811

Storing the motorcycle in apoorly ventilated room or cover-ing it with a tarp, while it is stillwet, will allow water and humid-ity to seep in and cause rust.To prevent corrosion, avoiddamp cellars, stables (becauseof the presence of ammonia)and areas where strong chemi-cals are stored.

ng-termfore storing your motorcycle for sev-l months:. Follow all the instructions in the

“Care” section of this chapter.

U5D7E4E0.book Page 3 Thursday, July 10, 2014 3:01 PM

MOTORCYCLE C

7-3

4. To prevent corrosion, it is recom-mended to apply a corrosion pro-tection spray on all metal,including chrome- and nickel-plat-ed, surfaces.

5. Use spray oil as a universal clean-er to remove any remaining dirt.

6. Touch up minor paint damagecaused by stones, etc.

7. Wax all painted surfaces.8. Let the motorcycle dry completely

before storing or covering it.

WARNINGEWA11132

ontaminants on the brakes or tiresan cause loss of control. Make sure that there is no oil or

wax on the brakes or tires. If necessary, clean the brake

discs and brake linings with aregular brake disc cleaner oracetone, and wash the tires withwarm water and a mild deter-gent. Before riding at higherspeeds, test the motorcycle’sbraking performance and cor-nering behavior.

NOTICEECA10801

Apply spray oil and wax spar-ingly and make sure to wipe offany excess.

Never apply oil or wax to anyrubber and plastic parts, buttreat them with a suitable careproduct.

Avoid using abrasive polishingcompounds as they will wearaway the paint.

TIP Consult a Yamaha dealer for ad-

vice on what products to use. Washing, rainy weather or humid

climates can cause the headlightlens to fog. Turning the headlighton for a short period of time willhelp remove the moisture from thelens.

St

ShAlwdryagsutemtor

N

LoBeera

1

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2

3

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OTORCYCLE CARE AND STORAGE

7-4

. Fill up the fuel tank and add fuelstabilizer (if available) to preventthe fuel tank from rusting and thefuel from deteriorating.

. Perform the following steps toprotect the cylinder, piston rings,etc. from corrosion.a. Remove the spark plug cap

and spark plug.b. Pour a teaspoonful of engine

oil into the spark plug bore.c. Install the spark plug cap onto

the spark plug, and then placethe spark plug on the cylinderhead so that the electrodes aregrounded. (This will limit spark-ing during the next step.)

d. Turn the engine over severaltimes with the starter. (This willcoat the cylinder wall with oil.)

e. Remove the spark plug capfrom the spark plug, and theninstall the spark plug and thespark plug cap. WARNING! Toprevent damage or injuryfrom sparking, make sure toground the spark plug elec-trodes while turning the en-gine over. [EWA10952]

4. Lubricate all control cables andthe pivoting points of all levers andpedals as well as of the side-stand/centerstand.

5. Check and, if necessary, correctthe tire air pressure, and then liftthe motorcycle so that both of itswheels are off the ground. Alterna-tively, turn the wheels a little everymonth in order to prevent the tiresfrom becoming degraded in onespot.

6. Cover the muffler outlet with aplastic bag to prevent moisturefrom entering it.

7. Remove the battery and fullycharge it. Store it in a cool, dryplace and charge it once a month.Do not store the battery in an ex-cessively cold or warm place [lessthan 0 °C (30 °F) or more than 30°C (90 °F)]. For more informationon storing the battery, see page6-30.

TIPMake any necessary repairs beforestoring the motorcycle.

Page 89: MT125 MT125A - Yamaha Motor

SPECIFICATIONS

8

D

W

E

el:Recommended fuel:

Premium unleaded gasoline (Gasohol (E10) acceptable)

Fuel tank capacity:11.5 L (3.04 US gal, 2.53 Imp.gal)

Fuel reserve amount:3.0 L (0.79 US gal, 0.66 Imp.gal)

el injection:Throttle body:

ID mark:5D78 10

ark plug(s):Manufacturer/model:

NGK/CR9ESpark plug gap:

0.7–0.8 mm (0.028–0.031 in)tch:

Clutch type:Wet, multiple-disc

nsmission:Primary reduction ratio:

73/24 (3.042)Final drive:

ChainSecondary reduction ratio:

48/14 (3.429)Transmission type:

Constant mesh 6-speedOperation:

Left foot operationGear ratio:

1st:34/12 (2.833)

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

8-1

imensions:Overall length:

1950 mm (76.8 in)Overall width:

745 mm (29.3 in)Overall height:

1025 mm (40.4 in)Seat height:

810 mm (31.9 in)Wheelbase:

1350 mm (53.1 in)Ground clearance:

140 mm (5.51 in)Minimum turning radius:

2500 mm (98.4 in)eight:Curb weight:

MT125 138 kg (304 lb)MT125A 140 kg (309 lb)

ngine:Engine type:

Liquid cooled 4-stroke, SOHCCylinder arrangement:

Single cylinderDisplacement:

124 cm³Bore × stroke:

52.0 × 58.6 mm (2.05 × 2.31 in)Compression ratio:

11.2 : 1Starting system:

Electric starterLubrication system:

Wet sump

Engine oil:Recommended brand:

YAMALUBEType:

SAE 10W-30, 10W-40, 15W-40, 20W-40 or 20W-50

Recommended engine oil grade:API service SG type or higher, JASO standard MA

Engine oil quantity:Without oil filter element replacement:

0.95 L (1.00 US qt, 0.84 Imp.qt)With oil filter element replacement:

1.00 L (1.06 US qt, 0.88 Imp.qt)Coolant quantity:

Coolant reservoir (up to the maximum level mark):

0.25 L (0.26 US qt, 0.22 Imp.qt)Radiator (including all routes):

1.00 L (1.06 US qt, 0.88 Imp.qt)Air filter:

Air filter element:Dry element

Fu

Fu

Sp

Clu

Tra

–20 –10 0 10 20 30 40 50 ˚C

10 30 50 70 90 1100 130 ˚F

SAE 10W-30

SAE 15W-40

SAE 20W-40

SAE 20W-50

SAE 10W-40

SAE 10W-50

Page 90: MT125 MT125A - Yamaha Motor

S

8

Ch

Fr

Re

im size:17 x MT3.75

nt brake:ype:

Single disc brakeperation:Right hand operation

pecified brake fluid:DOT 4

r brake:ype:

Single disc brakeperation:Right foot operation

pecified brake fluid:DOT 4

nt suspension:ype:

Telescopic forkpring/shock absorber type:

Coil spring/oil damperheel travel:130 mm (5.1 in)

r suspension:ype:

Swingarm (link suspension)pring/shock absorber type:

Coil spring/oil damperheel travel:114 mm (4.5 in)

ctrical system:nition system:TCI

U5D7E4E0.book Page 2 Thursday, July 10, 2014 3:01 PM

PECIFICATIONS

8-2

2nd:30/16 (1.875)

3rd:30/22 (1.364)

4th:24/21 (1.143)

5th:22/23 (0.957)

6th:21/25 (0.840)

assis:Frame type:

Semi double cradleCaster angle:

25.00 °Trail:

89 mm (3.5 in)ont tire:Type:

TubelessSize:

100/80-17 M/C 52H(PIRELLI)-52S(MICHELIN)

Manufacturer/model:PIRELLI/SPORT DEMON

Manufacturer/model:MICHELIN/PILOT STREET

ar tire:Type:

TubelessSize:

130/70-17 M/C 62H(PIRELLI)-62S(MICHELIN)

Manufacturer/model:PIRELLI/SPORT DEMON

Manufacturer/model:MICHELIN/PILOT STREET

Loading:Maximum load:

MT125 180 kg (397 lb)MT125A 178 kg (392 lb)(Total weight of rider, passenger, cargo and accessories)

Tire air pressure (measured on cold tires):

Loading condition:0–90 kg (0–198 lb)Front:

180 kPa (1.80 kgf/cm², 26 psi)Rear:

200 kPa (2.00 kgf/cm², 29 psi)Loading condition:

MT125 90–180 kg (198–397 lb)MT125A 90–178 kg (198–392 lb)Front:

180 kPa (1.80 kgf/cm², 26 psi)Rear:

225 kPa (2.25 kgf/cm², 33 psi)Front wheel:

Wheel type:Cast wheel

Rim size:17xMT2.75

Rear wheel:Wheel type:

Cast wheel

R

FroT

O

S

ReaT

O

S

FroT

S

W

ReaT

S

W

EleIg

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SPECIFICATIONS

8

B

H

B

U5D7E4E0.book Page 3 Thursday, July 10, 2014 3:01 PM

8-3

Charging system:AC magneto

attery:Model:

12N5.5-4A / YUASAVoltage, capacity:

12 V, 5.5 Aheadlight:Bulb type:

Halogen bulbulb voltage, wattage × quantity:Headlight:

12 V, 55.0 W/60.0 W × 1Tail/brake light:

LEDFront turn signal light:

12 V, 10.0 W × 2Rear turn signal light:

12 V, 10.0 W × 2Auxiliary light:

LEDLicense plate light:

12 V, 5.0 W × 1Meter lighting:

LEDNeutral indicator light:

LEDHigh beam indicator light:

LEDTurn signal indicator light:

LEDFuel level warning light:

LED

Engine trouble warning light:LED

ABS warning light:MT125A LED

Fuses:Main fuse:

20.0 AHeadlight fuse:

15.0 ASignaling system fuse:

7.5 AIgnition fuse:

7.5 ARadiator fan motor fuse:

5.0 AABS control unit fuse:

MT125A 10.0 AABS motor fuse:

MT125A 30.0 AABS solenoid fuse:

MT125A 20.0 ABackup fuse:

10.0 A

Page 92: MT125 MT125A - Yamaha Motor

CONSUMER INFORMATION

9-1

9

EAU40793

Identification numbersRecord the vehicle identification num-ber and model label information in thespaces provided below for assistancewhen ordering spare parts from aYamaha dealer or for reference in casethe vehicle is stolen.

VEHICLE IDENTIFICATION NUMBER:

MODEL LABEL INFORMATION:

EAU26401

Vehicle identification number

The vehicle identification number isstamped into the steering head pipe.Record this number in the space pro-vided.

TIPThe vehicle identification number isused to identify your motorcycle andmay be used to register your motorcy-cle with the licensing authority in yourarea.

EAU26471

Model label

The model label is affixed to the frameunder the rider seat. (See page 3-18.)Record the information on this label inthe space provided. This informationwill be needed when ordering spareparts from a Yamaha dealer.

1. Vehicle identification numberZAUM1216

1. Model labelZAUM1225

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

Page 93: MT125 MT125A - Yamaha Motor

10

INDEX

arking....................................................5-4art locations..........................................2-1ass switch...........................................3-12

ider seat..............................................3-18

afety information...................................1-1hifting....................................................5-2hift pedal.............................................3-13idestand..............................................3-18idestand, checking and lubricating ....6-27park plug, checking..............................6-9pecifications .........................................8-1tarting the engine .................................5-1tart switch...........................................3-12teering, checking ................................6-29torage ...................................................7-3upporting the motorcycle ...................6-36wingarm pivots, lubricating ................6-28

ail/brake light ......................................6-34hrottle grip and cable, checking and lubricating...........................................6-26hrottle grip free play, adjusting...........6-15ires ......................................................6-16ool kit ....................................................6-2roubleshooting....................................6-40roubleshooting charts.........................6-41urn signal indicator light .......................3-2urn signal light bulb, replacing............6-35urn signal switch.................................3-12

alve clearance.....................................6-16

U5D7E4E0.book Page 1 Thursday, July 10, 2014 3:01 PM

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BS (for ABS models) .......................... 3-14BS warning light (for ABS models) ....... 3-3ir filter element and check hose, replacing and cleaning ....................... 6-14uxiliary light ........................................ 6-34

attery .................................................. 6-30rake and clutch levers, checking and lubricating........................................... 6-26rake fluid, changing............................ 6-23rake fluid level, checking.................... 6-22rake lever............................................ 3-13rake light switches ............................. 6-21rake pedal .......................................... 3-14rake pedal, checking and lubricating........................................... 6-27rake pedal free play, adjusting........... 6-20

ables, checking and lubricating ......... 6-26are ........................................................ 7-1atalytic converter ............................... 3-17lutch lever........................................... 3-13lutch lever free play, adjusting ........... 6-19oolant ................................................. 6-13owlings, removing and installing.......... 6-8

immer switch...................................... 3-12rive chain, cleaning and lubricating ... 6-25rive chain slack .................................. 6-24

ngine break-in ...................................... 5-3ngine idling speed, checking.............. 6-15ngine oil and oil filter element............. 6-10

Engine stop switch............................... 3-12Engine trouble warning light .................. 3-3

FFront and rear brake pads, checking... 6-21Front brake lever free play, checking... 6-20Front fork, checking ............................. 6-28Fuel ...................................................... 3-16Fuel consumption, tips for reducing ...... 5-3Fuel level warning light........................... 3-2Fuel tank cap........................................ 3-15Fuses, replacing................................... 6-31

HHandlebar switches ............................. 3-11Headlight bulb, replacing ..................... 6-33High beam indicator light ....................... 3-2Horn switch .......................................... 3-12

IIdentification numbers ........................... 9-1Ignition circuit cut-off system .............. 3-19Indicator lights and warning lights ......... 3-2Info switch............................................ 3-12

LLicense plate light bulb, replacing ....... 6-35

MMain switch/steering lock ...................... 3-1Maintenance and lubrication, periodic... 6-4Maintenance, emission control

system ................................................. 6-3Matte color, caution ............................... 7-1Model label............................................. 9-1Multi-function meter unit........................ 3-4

NNeutral indicator light............................. 3-2

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DEX

10-2

ehicle identification number .................9-1

heel bearings, checking.....................6-29heel, front (for non-ABS models) .......6-36heel, rear (for non-ABS models) ........6-38heels ..................................................6-19

Page 95: MT125 MT125A - Yamaha Motor

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Page 96: MT125 MT125A - Yamaha Motor

PRINTED IN FRANCE2014.07 (E)

PANTONE285C

MBK IndustrieZ.I. de Rouvroy 02100 Saint Quentin

Original instructions