operating & maintenance instructions -...

Model SeriesCovered in

This Manual

133200134200135200136200137200

Operating & MaintenanceInstructions

Model Type Code

Month Day YearNote: General Model Series numbers noted above include many specific numberslike the ones on your engine. To get replacement parts or technical assistance inthe future, write your engine Model, Type, Code and date of purchase here.

TABLE OF CONTENTSSafety 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Information 6. . . . . . . . . . . . . . . . . . . . . . . . Oil 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel and Starting Information 8. . . . . . . . . . . . . . . Starting and Stopping 9-10. . . . . . . . . . . . . . . . . . . Maintenance 11-13. . . . . . . . . . . . . . . . . . . . . . . . . Adjustments 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Parts and Service & Storage 15-16. . . . . . . . . . . . Warranty Information 17. . . . . . . . . . . . . . . . . . . . .

WARNINGBriggs & Stratton does not approve or authorize the use ofthese engines on 3-wheel All Terrain Vehicles (ATVs), motorbikes, aircraft products or vehicles intended for use incompetitive events. Use of these engines in such applicationscould result in property damage, serious injury (includingparalysis), or even death.

In the USA and Canada our 24 hour hotline is1-800-233-3723

Briggs & Stratton CorporationMilwaukee, Wisconsin 53201www.briggsandstratton.com

PRINTED IN U.S.A. Copyright 2000 by Briggs & Stratton Corporation FORM NO. 274784-9/00

2

THE POWER IN POWER EQUIPMENTThank you for selecting a Briggs & Stratton engine to power your equipment.

Briggs & Stratton is committed to producing a line of engines which will make your life’s chores easier toperform. We have, at the same time, improved the design of our engines so they are environmentallyfriendly. Since 1995, we have succeeded in reducing smog-forming exhaust emissions from our enginesby 70%. Briggs & Stratton’s efforts have not stopped there. We are also committed to designing andintroducing even cleaner engines in the future, while maintaining our reputation for excellent utility andvalue.

Briggs & Stratton’s environmental awareness has resulted in the engineering of the “Smart-Fill ” gascan, featuring a spill resistant nozzle which opens only when fully inserted into the gas tank, and whichshuts off automatically when the tank is full. Because refueling spills can harm the environment, theSmart-Fill container helps preserve a stronger ecosystem by reducing this source of pollution.

We hope you will enjoy your new engine and equipment. We welcome you to our worldwide family ofBriggs & Stratton engine users.

Best Wishes Always,

The Employees of Briggs & Stratton Corporation

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3

BEFORE OPERATING ENGINE

• Read entire Operating & Maintenance Instructions ANDthe instructions for the equipment this engine powers.*

• Failure to follow instructions could result in serious injuryor death.

THE OPERATING & MAINTENANCE INSTRUCTIONSCONTAIN SAFETY INFORMATION TO• Make you aware of hazards associated with engines• Inform you of the risk of injury associated with those hazards, and• Tell you how to avoid or reduce the risk of injury.

274784

The safety alert symbol ( ) is used to identify safetyinformation about hazards that can result in personal injury.

A signal word (DANGER, WARNING, or CAUTION) isused with the alert symbol to indicate the likelihood and thepotential severity of injury. In addition, a hazard symbolmay be used to represent the type of hazard.

DANGER indicates a hazard which, if notavoided, will result in death or serious injury.

WARNING indicates a hazard which, if notavoided, could result in death or serious injury.

CAUTION indicates a hazard which, if notavoided, might result in minor or moderateinjury.

CAUTION, when used without the alert symbol,indicates a situation that could result in damageto the engine.

HAZARD SYMBOLS AND MEANINGS

Explosion

Toxic Fumes

Moving Parts

Shock

Hot Surface

Kickback

Fire

WARNINGThe engine exhaust from this prod-uct contains chemicals known to theState of California to cause cancer,birth defects, or other reproductiveharm.

* Briggs & Stratton does not necessarily know what equipment this engine will power. For that reason, you should carefullyread and understand the operating instructions for the equipment on which your engine is placed.

4

SAFETY

WARNING

Gasoline and its vapors are extremely flammableand explosive.

Fire or explosion can cause severe burns or death.

WHEN ADDING FUEL• Turn engine OFF and let engine cool at least 2

minutes before removing gas cap.• Fill fuel tank outdoors or in well-ventilated area.• Do not overfill fuel tank. Fill tank to approximately

1/2 inch below lowest portion of fill opening to allowfor fuel expansion.

• Keep gasoline away from sparks, open flames,pilot lights, heat, and other ignition sources.

• Check fuel lines, tank, cap, and fittings frequentlyfor cracks or leaks. Replace if necessary.

WHEN STARTING ENGINE• Make sure spark plug, muffler, fuel cap and air

cleaner are in place.• Do not crank engine with spark plug removed.• If fuel spills, wait until it evaporates before starting

engine.• If engine floods, set choke to OPEN/RUN position,

place throttle in FAST and crank until engine starts.

WHEN OPERATING EQUIPMENT• Do not tip engine or equipment at angle which

causes gasoline to spill.• Do not choke carburetor to stop engine.

WHEN TRANSPORTING EQUIPMENT• Transport with fuel tank EMPTY or with fuel shut-off

valve OFF.

WHEN STORING GASOLINE OR EQUIPMENTWITH FUEL IN TANK

• Store away from furnaces, stoves, water heaters orother appliances that have pilot light or otherignition source because they can ignite gasolinevapors.

WARNING

Unintentional sparking can result in fire or electricshock.

Unintentional start-up can result in entanglement,traumatic amputation, or laceration.

BEFORE PERFORMING ADJUSTMENTS ORREPAIRS

• Disconnect spark plug wire and keep it away fromspark plug.

• Disconnect battery at negative terminal (onlyengines with electric start).

WHEN TESTING FOR SPARK• Use approved spark plug tester.• Do not check for spark with spark plug removed.

WARNING

Starting engine creates sparking.

Sparking can ignite nearby flammable gases.

Explosion and fire could result.

• If there is natural or LP gas leakage in area, do notstart engine.

• Do not use pressurized starting fluids becausevapors are flammable.

5

SAFETY

WARNING

Engines give off carbon monoxide, an odorless,colorless, poison gas.

Breathing carbon monoxide can cause nausea,fainting or death.

• Start and run engine outdoors.• Do not start or run engine in enclosed area, even if

doors or windows are open.

WARNING

Running engines produce heat. Engine parts,especially muffler, become extremely hot.

Severe thermal burns can occur on contact.

Combustible debris, such as leaves, grass, brush,etc. can catch fire.

• Allow muffler, engine cylinder and fins to coolbefore touching.

• Remove accumulated combustibles from mufflerarea and cylinder area.

• Install and maintain in working order a sparkarrester before using equipment on forest-covered,grass-covered, brush-covered unimproved land.The state of California requires this (Section 4442of the California Public Resources Code). Otherstates may have similar laws. Federal laws applyon federal land.

WARNING

Rotating parts can contact or entangle hands, feet,hair, clothing, or accessories.

Traumatic amputation or severe laceration canresult.

• Operate equipment with guards in place.• Keep hands and feet away from rotating parts.• Tie up long hair and remove jewelry.• Do not wear loose-fitting clothing, dangling

drawstrings or items that could become caught.

WARNING

Rapid retraction of starter cord (kickback) will pull handand arm toward engine faster than you can let go.

Broken bones, fractures, bruises or sprains couldresult.

• When starting engine, pull cord slowly untilresistance is felt, then pull rapidly.

• Remove all external equipment/engine loadsbefore starting engine.

• Direct coupled equipment components such as,but not limited to, blades, impellors, pulleys,sprockets, etc., must be securely attached.

6

ENGINE PARTS

1. Finger guard/Rotating screen2. Rope handle3. Fuel fill4. Control levers5. Air cleaner6. Spark plug wire7. Dipstick/Oil fill tube (if equipped)8. Engine Model Type Code

xxxxx xxxx xx xxxxxxxx

9. OIL GARD light (if equipped)10. Blower housing11. Carburetor12. Muffler/(Muffler guard, if equipped)/

(Spark arrester, if equipped)13. Oil drain plug14. Oil fill cap15. Oil level16. 12V electric starter (if equipped)

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GENERAL INFORMATION

ENGINE MODELThis is a single cylinder, L-head, air-cooled engine. It is alow emissions engine.

MODEL SERIES 130000Bore 2-9/16 in. (65.09 mm). . . . . . . . . . . . . . . . . . . . . . . . . . Stroke 2-7/16 in. (61.91 mm). . . . . . . . . . . . . . . . . . . . . . . . Displacement 12.57 cu. in. (206.0 cc). . . . . . . . . . . . . . . .

Note: For practical operation, the horsepower loadingshould not exceed 85% of rated horsepower. Engine powerwill decrease 3-1/2% for each 1,000 feet (300 meters)above sea level and 1% for each 10° F (5.6° C) above 77° F(25° C). It will operate satisfactorily at an angle up to 15°.

TUNE-UP SPECIFICATIONSArmature air gap 0.010 – 0.014 in. (0.25 – 0.36 mm). . . Spark plug gap 0.030 in. (0.76 mm). . . . . . . . . . . . . . . . . . Valve clearance with valve springs installed and piston 1/4 in.(6 mm) past top dead center (check when engine is cold).See Repair Manual P/N 270962.Intake 0.005 – 0.007 in. (0.13 – 0.18 mm). . . . . . . . . . . . . Exhaust 0.009 – 0.011 in. (0.23 – 0.28 mm). . . . . . . . . . .

THE INTERNATIONAL SYMBOLS USEDON THE ENGINE OR

IN THIS MANUAL INCLUDE:

On Off

Fuel Shutoff

Read Owner’sManual

Stop

FuelChoke

Safety Alert

Oil

7

OIL274784

CAUTION: This engine is shipped from Briggs &Stratton without oil. Check oil level before startingengine. If you start the engine without oil, the enginewill be damaged beyond repair and will not becovered under warranty.

OIL CAPACITYThe engine holds approximately 2/3 qt (21 ozs; 0.6 liter).TYPE OF OIL TO USE

• Use a high quality detergent oil classified “For ServiceSF, SG, SH, SJ” or higher, such as Briggs & Stratton30W, Part Number 100005 (20 oz) or 100028 (48 oz).

• Do not use special additives.• Choose a viscosity according to the table opposite.

Note: Synthetic oil meeting ILSAC GF-2, APIcertification mark and API service symbol(shown at left) with “SJ/CF ENERGY CON-SERVING” or higher, is an acceptable oil at alltemperatures. Use of synthetic oil does notalter required oil change intervals.

°F -20 0 20 40 60 80 100

°C -30 -20 -10 0 10 20 30 40

STARTING TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE

*

**

32

* CAUTION: Air cooled engines run hotter thanautomotive engines. The use of non-syntheticmulti-viscosity oils (5W-30, 10W-30, etc.) intemperatures above 40° F (4° C) will result in higherthan normal oil consumption. When using amulti-viscosity oil, check oil level more frequently.

** CAUTION: SAE 30 oil, if used below 40° F (4° C), willresult in hard starting and possible engine boredamage due to inadequate lubrication.

SAE Viscosity Grades

CHECKING AND ADDING OIL• Check oil level before starting the engine.• Check level daily, or after every eight (8) hours.• Keep oil level at FULL.• Do not overfill.

CAUTION: OIL GARD (if equipped), see page 8.

Note: If this engine is equipped with gear reduction, see gear reduction oil filling instructions on page 11.

[1] Place engine level andclean around oil fill area.

[2] Remove dipstick and wipe clean withcloth. Replace and tighten dipstick.Remove and check oil level.

High Oil Fill(if equipped)

[3] Add oil, if needed. Pour slowly - recheck.

[4] Replace and tighten dipstick.

FULL

[1] Place engine level andclean around oil fill area.

[2] Remove oil fill cap.Fill to point of overflowing.

Low Oil Fill

OIL LEVEL

[3] Replace and tightenoil fill cap.

8

FUEL

TYPE OF FUEL TO USE• Use clean, fresh, regular unleaded gasoline with a

minimum of 77 octane. Fresh fuel prevents gum fromforming in the fuel system or on essential carburetor parts.Purchase fuel in quantity that can be used within 30 days.

• Do not use gasoline which contains Methanol.• Do not mix oil with gasoline.• For engine protection use Briggs & Stratton Gasoline

Additive available from your Authorized Briggs &Stratton Dealer (P/N 5041 or single use pouch).

• This engine is certified to operate on gasoline. ExhaustEmission Control System: EM (Engine Modifications).

CAUTION: Some fuels, called oxygenated or reformu-lated gasoline, are gasoline blended with alcohols orethers. Excessive amounts of these blends can damagethe fuel system or cause performance problems. If anyundesirable operating symptoms occur, use gasolinewith a lower percentage of alcohol or ether.

ADDING FUEL

WARNING

Fuel Fill

[1] Fill fuel tank outdoors or in well-ventilated area,away from sparks, open flames, pilot lights, heat,and other ignition sources.

[2] If fuel spills, wait until it evaporates before startingengine.

[3] Turn engine OFF and let engine cool at least 2minutes before removing gas cap.

[4] Remove cap. Fill tank to approximately 1/2 inchbelow lowest portion of fill opening to allow for fuelexpansion. Be careful not to overfill.Briggs & Stratton Smart-fill fuel can fills to thecorrect level and automatically shuts off, reducingspills and emissions.

[5] Replace cap before starting.

STARTING

WARNING

• Do not use pressurized starting fluids.• Vapors are flammable.

OIL GARDIf engine is equipped with OIL GARD , and if engine runslow on oil, light on engine warns of low oil level. If lightflickers and engine cannot be started, or has stopped andcannot be restarted, add oil. Fill to point of overflowing at oilfill cap or to FULL mark on dipstick. Do not over-fill.

STARTING AND OPERATING TIPS♦ Store and fuel equipment in level position.

♦ Use fresh fuel. (See Fuel.)

♦ Use correct type of oil for expected startingtemperature. (See Oil.)

♦ Remove external equipment/engine loads. (Seeequipment operating instructions.)

♦ Periodically remove any debris buildup from themachine (See Maintenance.)

♦ After engine has started, let it warm up severalseconds to several minutes, depending on outsidetemperature.

♦ For maximum performance and life, operate enginewith choke in RUN and throttle in FAST.

9

STARTING AND STOPPING

REWIND (MANUAL) STARTERTO START ENGINE

Choke

[1] Check oil level (see p. 7).[2] Move throttle (if equipped) to FAST. Operate engine with throttle in FAST.[3] Move choke lever to CHOKE.

OIL LEVELThrottle

FULL

[4] Move stop lever (ifequipped) to ON.

[5] Grasp rope handle. Pullslowly until resistance isfelt, then pull rapidly tostart engine and avoidkickback.

[6] Let engine warm up.Choke Equipped: Movechoke control levertoward RUN a short dis-tance at a time over sev-eral seconds in warmweather or minutes in coldweather. Let engine runsmoothly before eachchange. Operate withchoke in RUN.

WARNINGStop

TO STOP ENGINE

CAUTION: Do not stop engine by moving chokecontrol to CHOKE. Backfire, fire or engine damagecould occur.

[1] Move throttle (ifequipped) to SLOW, thento OFF/STOP.

[2] Move stop lever (ifequipped) to STOP/OFF.

StopORThrottle

10

STARTING AND STOPPING

ELECTRIC (KEY) STARTER (if equipped)TO START ENGINE

[1] Check oil level (see p. 7).[2] Move throttle (if equipped) to FAST. Operate engine with throttle in FAST.[3] Move choke control lever to CHOKE.

ThrottleOIL LEVEL

FULL

Choke

[4] Move stop lever (ifequipped) to ON.

[5] Insert key and turn toSTART.

[6] Let engine warm up.Choke Equipped: Movechoke control levertoward RUN a short dis-tance at a time over sev-eral seconds in warmweather or minutes in coldweather. Let engine runsmoothly before eachchange. Operate withchoke in RUN.

Stop

CAUTION: To prolong starter life, use shortstarting cycles (5 seconds maximum, then waitone minute). Follow equipment manufacturer’srecommendations for charging battery.

TO STOP ENGINE

[1] Move throttle (ifequipped) to SLOW.

[2] Turn key to OFF. Removekey and store out of reachof children.

Throttle

[3] Move stop lever (ifequipped) to STOP/OFF.

Stop

11

MAINTENANCE

MAINTENANCE

Regular maintenance will improve the performance andextend the life of the engine. See any Authorized Briggs &Stratton Dealer for service. Use only genuine Briggs &Stratton parts. Other parts may not perform as well,may damage the engine, and may result in injury. Inaddition, use of other parts may void your warranty.

EMISSION CONTROL

Maintenance, replacement or repair of the emissioncontrol devices and systems may be performed by anynonroad engine repair establishment or individual.However, to obtain no charge repairs under the terms andprovisions of the Briggs & Stratton warranty statement, anyservice or emission control part repair or replacement mustbe performed by a factory authorized dealer.

Follow the instructions and schedules indicated below.

TaskPerform task at hourlyor calendar interval,

whichever comes first.

Check Oil Level �

Change Oil �*

Change oil in gear re-duction (if equipped) �

Service air cleanerpre-cleaner (if equipped) �**

Service air cleaner car-tridge (if not equippedwith pre-cleaner)

�**

Service air cleaner car-tridge (if equipped withpre-cleaner)

�**

Inspect spark arrester (if equipped) �

Replace spark plug �

Clean cooling system �**

Clean combustionchamber �

* Change oil after first 5 to 8 hours of use, then every50 hours or every season. Change oil every 25 hourswhen operating the engine under heavy load or in hightemperatures.

** Clean more often under dusty conditions or whenairborne debris is present. Replace air cleaner parts, ifvery dirty.

CAUTION: Used oil is a hazardous waste product.Dispose of used oil properly. Do not discard withhousehold waste. Check with your local authorities,service center, or dealer for safe disposal/recyclingfacilities.

CHANGING OIL

WARNING

Typical drain plugs

1/4” HEX

PIPEOIL

DRAINPLUG

[1] Place engine level.

[2] Disconnect spark plugwire and keep it awayfrom spark plug. Discon-nect battery (if equippedwith electric starter) atnegative terminal.

[3] With engine OFF but still warm remove oil drainplug and drain oil into appropriate receptacle.

[4] Reinstall drain plug. Remove dipstick or oil fill cap.

[5] Add about 2/3 quart (21 ounces; 0.6 liter) new oil.Fill to FULL line on dipstick or to point ofoverflowing at oil fill cap. Do not overfill.

[6] Replace dipstick or oil fill cap.

OIL FILLCAP

OIL LEVEL

FULL

High Oil Fill (if equipped) Low Oil Fill

12

MAINTENANCE

CHANGING OIL IN GEAR REDUCTION (ifequipped)Change oil in gear reduction after every 100 hours ofoperation.

[1] To drain oil, loosen 4 gear case cover screws anddrain oil into appropriate receptacle.

[2] After draining, torque 4 screws to 85 in-lbs.

[3] To refill, pour SAE 30 oil into oil fill hole until it runsout level check hole.

[4] Replace both oil plugs.

Note: Oil filler plug has a vent hole and must be installedon top of gear case cover.

OIL FILLER PLUG

OIL LEVELPLUG

VENT HOLE

4 GEAR CASECOVER SCREWS

AIR CLEANERAll engines have an air cleaner cartridge. In addition, someengines have a pre-cleaner.

ÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌ

SCREWS

COVER

CARTRIDGEP/N 491588

OR 5043

PRE–CLEANERP/N 491435

BASE

REMOVING and RE-INSTALLING AIR CLEANER[1] Loosen screws and remove cover.

[2] Remove pre-cleaner (if equipped) and cartridgecarefully to prevent debris from entering carburetor.

[3] Re-install clean (or new) air cleaner assembly in base.

[4] Replace cover and tighten screws.

CLEANING PRE-CLEANER AND CARTRIDGE

CAUTION: Do not use pressurized air or solvents toclean cartridge. Pressurized air can damagecartridge; solvents will dissolve cartridge.

Pre-cleanerTo clean pre-cleaner (if equipped), separate it fromcartridge and wash in liquid detergent and water. Squeezedry in a clean cloth. Saturate in engine oil. Squeeze inclean, absorbent cloth to remove all EXCESS oil.

CartridgeTo clean cartridge, gently tap pleated paper side on a flatsurface.

13

MAINTENANCE

ENGINE AND ENGINE PARTSWe recommend that you see an authorized Briggs & Stratton Service Dealer for all maintenance and service of the engineand engine parts. Use only genuine Briggs & Stratton parts.

WARNINGIf you perform any maintenance on the engine, first disconnect the spark plug wirefrom the spark plug, and disconnect the battery at the negative terminal (electricstarter engines only) to prevent unintentional sparking. Unintentional sparking canresult in fire or electric shock. Unintentional start-up can result in entanglement,traumatic amputation or laceration. Use only correct tools.

WARNING• Do not strike the flywheel with a hammer or hard object because the flywheel may

later shatter during operation.• Do not tamper with governor spring, links or other parts to increase engine speed.

MUFFLER

Replacement parts for themuffler must be the same andinstalled in the same positionas the original parts, other-wise fire can occur.

If muffler is equipped withspark arrester screen, re-

move screen for inspection. Replace screen if damaged orplugged.

WARNING

SPARK PLUGUse only Briggs & Stratton Spark Tester (part number19368) to check for spark.

Note: In some areas, locallaw requires using resistorspark plug to suppressignition signals. If this en-gine was originallyequipped with resistorspark plug, use same typefor replacement.

.030” (0.76 mm)WIRE GAGE

RESISTOR P/N 802592STANDARD P/N 492167

COMBUSTION DEPOSITSWe recommend that after every 100-300 hours you havean authorized Briggs & Stratton Service Dealer removecombustion deposits from the cylinder, cylinder head, topof piston, and around valves.

FUEL SYSTEM

WARNINGReplacement parts for fuelsystem (cap, hoses, tanks,filters, etc.) must be the sameas original parts, otherwisefire can occur.

AIR COOLING SYSTEM

CLEANOUT

DEBRIS

We recommendcleaning the aircooling systemevery 100 hours.

CLEANING DEBRIS

CAUTION: Do not use water to clean engine parts.Water could contaminate fuel system. Use a brushor dry cloth.

Engine parts should be keptclean to reduce the risk ofoverheating and ignition ofaccumulated debris.

WARNING

Daily or before every use,clean accumulated debrisfrom engine. Keep link-age, spring and controlsclean. Keep area aroundand behind muffler free ofany combustible debris.

Finger Guard Linkage, Springs, Controls Muffler, Spark ArresterCLEAN

CLEAN

CLEAN

14

ADJUSTMENTS

THROTTLE ADJUSTMENT

If the engine does not start or if it runs roughly, the remotethrottle control may need adjustment. See your authorizedBriggs & Stratton dealer or follow the instructions below.

WARNING

Prevent unintentional starting.

Before performing adjustments:

• Remove spark plug wire from spark plug.• Disconnect battery at negative terminal (only

engines with electric start).

Manual choke or manual throttle control needs noadjustment.

TO ADJUST REMOTE THROTTLE (remote choke)

[1] Loosen casing clamp screw on carburetor orcontrol plate.

[2] Push bell crank either way until it just toucheswasher.

[3] Move throttle control to FAST position.

[4] Tighten casing clamp screw. Replace air cleaner.

BELLCRANK

WASHER

CASINGCLAMPSCREW

TO ADJUST REMOTE STOP SWITCH

[1] Lever on carburetor or control plate should make goodcontact with remote stop switch. Readjust if necessary.

[2] Check operation of throttle control.

TO ADJUST REMOTE THROTTLE (manual choke)

[1] Loosen casing clamp screw on carburetor or oncontrol lever bracket.

[2] Move casing/wire in direction of arrow to end of travel.[3] Move throttle control to FAST position.[4] Tighten casing clamp screw. Replace air cleaner.

CASING/WIRE

CASINGCLAMP SCREW

CARBURETOR ADJUSTMENT

WARNINGThe manufacturer of the equipment on which thisengine is installed specifies top speed at which theengine will be operated. DO NOT EXCEED this speed.

Air cleaner and air cleaner cover must be assembled tocarburetor before starting engine. (Air cleaner is shownremoved in illustration below for clarity ONLY.)The carburetor on this engine is equipped with an idlespeed adjustment screw.TO ADJUST CARBURETORGoverned idle has been set to 1750 rpm at the factory. Theidle mixture valve on this engine is not adjustable.

[1] To adjust idle speed, start engine and warm upabout 5 minutes.

[2] Then with engine running, place equipment throttlecontrol in SLOW position.

[3] Rotate carburetor throttle lever against the throttlestop and hold it while adjusting the idle speed screwto obtain 1100 rpm (use a tachometer).

IDLE SPEED SCREW NON-ADJUSTABLEIDLE MIXTURE VALVE

THROTTLESTOP

THROTTLELEVER

Note: Engines operated at approximately 3000 to 5000feet (900 to 1500 meters) above sea level may require ahigh altitude carburetor pilot jet. If erratic performance isobserved, contact a Briggs & Stratton Authorized ServiceDealer for cost to install/purchase a high altitude carburetorpilot jet, if available.

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SERVICE & STORAGE

PARTIAL LIST OF GENUINE BRIGGS &STRATTON PARTS

BRIGGS & STRATTONPART PART NO. (or equivalent)Flat air cleaner cartridge 491588 (5043)Flat air cleaner pre-cleaner 491435Oil 100005 or 100028Gas additive 5041Resistor spark plug 802592Standard spark plug 492167Long life platinum spark plug 5062(used on most L-head engines)Spark plug wrench 89838 (5023)Spark tester 19368Oil pump kit 5056(uses standard electric drill to remove oil from engine quickly)

SERVICESee an Authorized Briggs & Stratton Service Dealer. Eachone carries a stock of Genuine Briggs & Stratton Parts andis equipped with special service tools. Trained mechanicsassure expert repair service on all Briggs & Strattonengines. Only dealers advertising as “Authorized Briggs &Stratton” are required to meet Briggs & Stratton standards.When you purchase equipment powered by aBriggs & Stratton engine, you are assured ofhighly skilled, reliable service at more than30,000 Authorized Service Dealersworldwide, including more than 3,600 MasterService Technicians. Look for these signswherever Briggs & Stratton service is offered.

You may locate your nearest Authorized Briggs & StrattonService Dealer in our dealer locator map on our web site�� or in the “Yellow Pages ”

directory under “Engines, Gasoline” or “GasolineEngines,” or “Lawn Mowers” or similar category.

Note: Walking fingers logo and “Yellow Pages” are regis-tered trademarks in various jurisdictions.

An illustrated shop manual includescommon specifications and detailed in-formation covering adjustment, tune-upand repair of Briggs & Stratton singlecylinder, L-head, 4 cycle engines. It isavailable for purchase from an Autho-rized Briggs & Stratton Service Dealer oryou can order it from the factory. Write:Briggs & Stratton CorporationAttn: Service DivisionP. O. Box 1144Milwaukee, WI 53201

Part No. 270962

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SERVICE & STORAGE

STORAGEEngines stored over 30 days need special attention.

[1] To prevent gum from forming in fuel system or onessential carburetor parts:a) if fuel tank contains oxygenated or reformulatedgasoline (gasoline blended with an alcohol or anether), run engine until it stops from lack of fuel, or b) iffuel tank contains gasoline, either run engine until itstops from lack of fuel, or add a gasoline additive to thegas in the tank. (See parts list. Single – use pouches ofgas additive are available from your service dealer.) Ifyou use a gas additive, run the engine for severalminutes to circulate the additive through the carburetor.Then, engine and fuel can be stored up to 24 months.

[2] While engine is still warm, change oil.[3] Remove spark plug and pour about 1/2 oz. (15 ml) of

engine oil into cylinder. Replace spark plug and crankslowly to distribute oil.

[4] Clean engine of surface debris, chaff or grass.

WARNING[5] Store in a clean, dry area.

Do not store in same areaas a stove, furnace, waterheater, or other appliancethat uses a pilot light orhas a device that cancreate a spark.

17

In the USA and Canada, a 24 hour hot line, 1-800-233-3723, has a menu of pre-recorded messages offering you engine maintenance information.

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Briggs & Stratton Corporation (B&S), the California Air Resources Board (CARB)and the United States Environmental Protection Agency (U.S. EPA)

Emission Control System Warranty Statement (Owner’s Defect Warranty Rights and Obligations)

EMISSION CONTROL WARRANTY COVERAGE IS APPLICABLETO CERTIFIED ENGINES PURCHASED IN CALIFORNIA IN 1995AND THEREAFTER, WHICH ARE USED IN CALIFORNIA, AND

TO CERTIFIED MODEL YEAR 1997 AND LATER ENGINESWHICH ARE PURCHASED AND USED ELSEWHERE IN THEUNITED STATES (AND AFTER JANUARY 1, 2001 IN CANADA).

California and United States Emission Control Defects Warranty StatementThe California Air Resources Board (CARB), U.S. EPA and B&S arepleased to explain the Emission Control System Warranty on yourmodel year 2000 and later small off-road engine (SORE). In California,new small off-road engines must be designed, built and equipped tomeet the State’s stringent anti-smog standards. Elsewhere in theUnited States, new non-road, spark-ignition engines certified for modelyear 1997 and later, must meet similar standards set forth by the U.S.EPA. B&S must warrant the emission control system on your engine for

the periods of time listed below, provided there has been no abuse, ne-glect or improper maintenance of your small off-road engine.Your emission control system includes parts such as the carburetor,air cleaner, ignition system, muffler and catalytic converter. Also in-cluded may be connectors and other emission related assemblies.Where a warrantable condition exists, B&S will repair your small off-road engine at no cost to you including diagnosis, parts and labor.

Briggs & Stratton Emission Control Defects Warranty CoverageSmall off-road engines are warranted relative to emission controlparts defects for a period of two years, subject to provisions set forth

below. If any covered part on your engine is defective, the part will berepaired or replaced by B&S.

Owner’s Warranty ResponsibilitiesAs the small off-road engine owner, you are responsible for the per-formance of the required maintenance listed in your Operating andMaintenance Instructions. B&S recommends that you retain all yourreceipts covering maintenance on your small off-road engine, butB&S cannot deny warranty solely for the lack of receipts or for yourfailure to ensure the performance of all scheduled maintenance.As the small off-road engine owner, you should however be awarethat B&S may deny you warranty coverage if your small off-road en-gine or a part has failed due to abuse, neglect, improper mainte-nance or unapproved modifications.

You are responsible for presenting your small off-road engine to anAuthorized B&S Service Dealer as soon as a problem exists. Theundisputed warranty repairs should be completed in a reasonableamount of time, not to exceed 30 days.If you have any questions regarding your warranty rights and re-sponsibilities, you should contact a B&S Service Representative at1-414-259-5262.The emission warranty is a defects warranty. Defects are judged onnormal engine performance. The warranty is not related to an in-useemission test.

Briggs & Stratton Emission Control Defects Warranty ProvisionsThe following are specific provisions relative to your Emission Control Defects Warranty Coverage. It is in addition to the B&S engine warrantyfor non-regulated engines found in the Operating and Maintenance Instructions.

1. Warranted PartsCoverage under this warranty extends only to the parts listed be-low (the emission control systems parts) to the extent theseparts were present on the engine purchased.a. Fuel Metering System

• Cold start enrichment system• Carburetor and internal parts• Fuel Pump

b. Air Induction System• Air cleaner• Intake manifold

c. Ignition System• Spark plug(s)• Magneto ignition system

d. Catalyst System• Catalytic converter• Exhaust manifold• Air injection system or pulse valve

e. Miscellaneous Items Used in Above Systems• Vacuum, temperature, position, time sensitive valves

and switches• Connectors and assemblies

2. Length of CoverageB&S warrants to the initial owner and each subsequent purchaserthat the Warranted Parts shall be free from defects in materialsand workmanship which caused the failure of the WarrantedParts for a period of two years from the date the engine is deliv-ered to a retail purchaser.

3. No ChargeRepair or replacement of any Warranted Part will be performedat no charge to the owner, including diagnostic labor which leadsto the determination that a Warranted Part is defective, if thediagnostic work is performed at an Authorized B&S ServiceDealer. For emissions warranty service contact your nearest Au-thorized B&S Service Dealer as listed in the “Yellow Pages” un-der “Engines, Gasoline,” “Gasoline Engines,” “Lawn Mowers,”or similar category.

4. Claims and Coverage ExclusionsWarranty claims shall be filed in accordance with the provisionsof the B&S Engine Warranty Policy. Warranty coverage shall beexcluded for failures of Warranted Parts which are not originalB&S parts or because of abuse, neglect or improper mainte-nance as set forth in the B&S Engine Warranty Policy. B&S is notliable to cover failures of Warranted Parts caused by the use ofadd-on, non-original, or modified parts.

5. MaintenanceAny Warranted Part which is not scheduled for replacement as re-quired maintenance or which is scheduled only for regular inspec-tion to the effect of “repair or replace as necessary” shall be war-ranted as to defects for the warranty period. Any Warranted Partwhich is scheduled for replacement as required maintenanceshall be warranted as to defects only for the period of time up tothe first scheduled replacement for that part. Any replacementpart that is equivalent in performance and durability may be usedin the performance of any maintenance or repairs. The owner isresponsible for the performance of all required maintenance, asdefined in the B&S Operating and Maintenance Instructions.

6. Consequential CoverageCoverage hereunder shall extend to the failure of any enginecomponents caused by the failure of any Warranted Part still un-der warranty.

18


About your engine warranty: (see next page for statement of LIMITED WARRANTY).

Briggs & Stratton welcomes warranty repair and apologizesto you for being inconvenienced. Any Authorized ServiceDealer may perform warranty repairs. Most warranty repairsare handled routinely, but sometimes requests for warrantyservice may not be appropriate. For example, warranty wouldnot apply if engine damage occurred because of misuse, lackof routine maintenance, shipping, handling, warehousing orimproper installation. Similarly, warranty is void if the serialnumber of the engine has been removed or the engine hasbeen altered or modified.

If a customer differs with the decision of the Service Dealer, aninvestigation will be made to determine whether the warrantyapplies. Ask the Service Dealer to submit all supporting facts tohis Distributor or the Factory for review. If the Distributor or theFactory decides that the claim is justified, the customer will befully reimbursed for those items that are defective. To avoidmisunderstanding which might occur between the customerand the Dealer, listed below are some of the causes of enginefailure that the warranty does not cover.

Normal wear:Engines, like all mechanical devices, need periodic parts ser-vice and replacement to perform well. Warranty will not coverrepair when normal use has exhausted the life of a part or anengine.

Improper maintenance:

The life of an engine depends upon the conditions underwhich it operates, and the care it receives. Some applications,such as tillers, pumps and rotary mowers, are very often usedin dusty or dirty conditions, which can cause what appears tobe premature wear. Such wear, when caused by dirt, dust,spark plug cleaning grit, or other abrasive material that hasentered the engine because of improper maintenance, is notcovered by warranty.

This warranty covers engine related defective materialand/or workmanship only, and not replacement or refundof the equipment to which the engine may be mounted.Nor does the warranty extend to repairs required be-cause of:

1. PROBLEMS CAUSED BY PARTS THAT ARE NOTORIGINAL BRIGGS & STRATTON PARTS.

2. Equipment controls or installations that prevent starting,cause unsatisfactory engine performance, or shorten en-gine life. (Contact equipment manufacturer.)

3. Leaking carburetors, clogged fuel pipes, sticking valves,or other damage, caused by using contaminated or stalefuel. (Use clean, fresh, lead-free gasoline and Briggs &Stratton gasoline stabilizer, Part No. 5041.)

4. Parts which are scored or broken because an engine wasoperated with insufficient or contaminated lubricating oil,or an incorrect grade of lubricating oil (check oil level dailyor after every 8 hours of operation. Refill when necessaryand change at recommended intervals.) OIL GARDmay not shut down running engine. Engine damage mayoccur if oil level is not properly maintained. Read Operat-ing & Maintenance Instructions.

5. Repair or adjustment of associated parts or assembliessuch as clutches, transmissions, remote controls, etc.,which are not manufactured by Briggs & Stratton.

6. Damage or wear to parts caused by dirt, which enteredthe engine because of improper air cleaner maintenance,re-assembly, or use of a non-original air cleaner elementor cartridge. (At recommended intervals, clean and re-oilthe Oil-Foam element or the foam pre-cleaner, and re-place the cartridge.) Read Operating & MaintenanceInstructions.

7. Parts damaged by overspeeding, or overheating causedby grass, debris, or dirt, which plugs or clogs the coolingfins, or flywheel area, or damage caused by operating theengine in a confined area without sufficient ventilation.(Clean fins on the cylinder, cylinder head and flywheel atrecommended intervals.) Read Operating & MaintenanceInstructions.

8. Engine or equipment parts broken by excessive vibrationcaused by a loose engine mounting, loose cutter blades,unbalanced blades or loose or unbalanced impellers, im-proper attachment of equipment to engine crankshaft,overspeeding or other abuse in operation.

9. A bent or broken crankshaft, caused by striking a solid ob-ject with the cutter blade of a rotary lawn mower, or exces-sive v-belt tightness.

10. Routine tune-up or adjustment of the engine.

Warranty is available only through service dealers whichhave been authorized by Briggs & Stratton Corporation.Your nearest Authorized Service Dealer is listed in the“Yellow Pages ” of your telephone directory under “En-gines, Gasoline” or “Gasoline Engines,” “Lawn Mow-ers,” or similar category.

Briggs & Stratton Engines Are Made Under One Or More Of The Following Patents: Design D-247,177 (Other Patents Pending)5,852,9515,823,1535,819,5135,765,7135,645,0255,642,7015,606,948

5,548,9555,546,9015,503,1255,501,2035,497,6795,320,7955,271,363

5,269,7135,265,7005,243,8785,235,9435,197,4255,197,4225,191,864

5,188,0695,186,1425,138,9965,105,3315,086,8905,070,8295,058,544

5,040,6445,040,5035,009,2084,996,9564,995,3574,977,8794,971,219

4,895,1194,875,4484,819,5934,719,6824,694,7924,684,9174,633,556

4,630,4984,522,0804,520,2884,453,5074,430,9844,355,253

DES. 309,458DES. 309,457DES. 308,872DES. 308,871

19


BRIGGS & STRATTON ENGINE OWNER WARRANTY POLICYeffective July 1, 1999

Replaces all undated Warranties and all Warrantiesdated before July 1, 1999

LIMITED WARRANTY“Briggs & Stratton Corporation will repair or replace, free of charge, any part, or parts of the engine that are defective inmaterial or workmanship or both. Transportation charges on parts submitted for repair or replacement under this Warrantymust be borne by purchaser. This warranty is effective for the time periods and subject to the conditions provided for in thispolicy. For warranty service contact your nearest Authorized Service Dealer as listed in the ‘Yellow Pages ’ under ‘Engines,Gasoline,’ ‘Gasoline Engines,’ ‘Lawn Mowers’ or similar category. THERE IS NO OTHER EXPRESS WARRANTY. IM-PLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSEARE LIMITED TO ONE YEAR FROM PURCHASE, OR TO THE EXTENT PERMITTED BY LAW ANY AND ALL IMPLIEDWARRANTIES ARE EXCLUDED. LIABILITY FOR CONSEQUENTIAL DAMAGES UNDER ANY AND ALL WARRANTIESARE EXCLUDED TO THE EXTENT EXCLUSION IS PERMITTED BY LAW. Some states do not allow limitations on howlong an implied warranty lasts, and some states do not allow the exclusion or limitation of incidental or consequential dam-ages, so the above limitation and exclusion may not apply to you. This warranty gives you specific legal rights and you mayalso have other rights which vary from state to state.”

Briggs & Stratton Corporation

F. P. Stratton, Jr.Chairman and Chief Executive Officer

WARRANTY PERIOD

WITHIN U.S.A. AND CANADA OUTSIDE U.S.A. AND CANADA

ENGINES CONSUMERUSE*

COMMERCIALUSE*

CONSUMERUSE*

COMMERCIALUSE*

All Vanguard engines. 2 year – engine �

All Diamond Plus , Industrial Plus , I/Cengines and sleeve bore Intek series. 2 year 1 year 2 year � 1 year

Quantum and Diamond Power . 2 year 90 days �2 year � � 90 days

All standard engines and Kool Bore Intek seriesinstalled on lawn mowers, riders, edgers,chippers, shredders, tillers, and all Sno/Gardengines.

2 year 90 days 1 year 90 days

All other standard engines and Classic series. 1 year 90 days 1 year 90 days

* For purposes of this warranty policy, “consumer use” means personal residential household use by the original retail consumer.“Commercial use” means all other uses, including use for commercial, income producing or rental purposes. Once an enginehas experienced commercial use, it shall thereafter be considered as a commercial use engine for purposes of this warranty.Engines used in competitive racing or on commercial or rental tracks are not warrantied.

� One (1) year in Australia, New Zealand, Middle East and Africa.

� One (1) year in India.

NO WARRANTY REGISTRATION CARD IS NECESSARY TO OBTAIN WARRANTY ON BRIGGS & STRATTON ENGINES.YOU MUST SAVE THE PURCHASE RECEIPT. A PROOF OF PURCHASE DATE WILL BE REQUIRED TO OBTAIN WARRANTY.

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