OPTIONAL ATTACHMENTS & ACCESSORIESAttachments215211 Pro Maxi-Cut Head

21560030 ECHOmatic Pro Head

21560031 SRM ECHOmatic Pro Head

21560050 Semi-Auto Head Assembly

21560055 Semi-Auto Head Assembly

21560056 2-Line Rapid Loader Head -- Echo

21560060 SRM Manual Dual Line Head

35130455730 U-Handle Kit

69500120331 8" 80 Tooth Brush Blade

69600120331 8", 8-Tooth Blade - 20mm Arbor

89850308031 8" Blade Protector

99944200035 Tri-Cut Blade with Glide Cup - 20mm Arbor

99944200047 3 Cutter Metal Blade - 20mm Arbor

99944200130 22 Tooth Clearing Saw Blade -- 20mm Arbor

99944200200 SRM Shoulder Harness Kit

99944200220 Heavy Duty Fixed Line Head

99944200221 3-Line Rapid Loader Head -- Echo

99944200230 Semi-Auto Dual Line Head

99944200250 SRM ECHOmatic II Head

99944200410 20mm Blade Conversion Kit

99944200411 20mm Blade Conversion Kit

99944200415 Universal Blade Conversion Kit

99944200451 U-Handle_Blade Conversion Combo Kit

99944200455 Barrier Bar

SRAC-200 Tiller/Cultivator Attachment

PARTS CATALOG

SRM-2502 TrimmerMODEL:SERIAL NUMBERSSRM-2502: S/N 0010201 - 0025000

ECHO, INCORPORATED400 Oakwood Road Lake Zurich, Illinois 60047 USA

WWW.ECHO-USA.COM

89861247730©2009 ECHO Incorporated, RePower is Registered Trademark of ECHO Incorporated. All Rights Reserved REVISED 07/10/09

Click Any Diagram Description Below To View That Diagram.

SRM-2502 S/N 0010201 - 0025000Intake, Exhaust, Air Cleaner...........................................................................................................................................4

Carburetor........................................................................................................................................................................6

Fuel System.....................................................................................................................................................................8

Starter, Ignition, Clutch.................................................................................................................................................10

Engine, Crankcase, Fan Housing, Cover.....................................................................................................................12

Gear Case, Shield, Tools...............................................................................................................................................14

Driveshaft, Handles, Throttle, Stop Switch, Clutch Housing.....................................................................................16

Part Number Index.........................................................................................................................................................18Part Description Index..................................................................................................................................................19

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Table of Contents Part Number Index

Table of Contents

- 3 -

This Page Intentionally Left Blank

89861247730 - 4 - REVISED 07/10/09

Table of Contents Part Number IndexSRM-2502 Trimmer Intake, Exhaust, Air Cleaner

REMARKSDESCRIPTIONQTYPART NUMBERITEMGASKET, INTAKE1130010223305INSULATOR1130007409306SCREW 5X202900238050207GASKET, INTAKE11300224093011INSULATOR11300264103012GASKET, INTAKE11300164093013CARBURETOR WY-2111230004103014ROD, CHOKE11785104103017GROMMET, CHOKE11788100523018CASE, AIR CLEANER11303074093019SHUTTER, CHOKE11785154063020SPACER21785160083021PLATE11290064093022SCREW 5X5029002380505023FILTER, AIR11303104093028COVER ASY, AIR CLE11303024093030O-RING 419007200000429LABEL, CHOKE11304154063033

CANADIAN MODELLABEL, CHOKE18901211233932STUD (5x60)21010142233038GASKET, MUFFLER11455102233039MUFFLER11458062723040WASHER11456422233041LOCKNUT 524330200083042SCREW 5X1019002350501043SCREEN, MUFFLER11458622723045GASKET, MUFFLER LID11458662723046HOLDER, SCREEN11459064093047SCREW 4X869002380400848COVER, MUFFLER11459064093153

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Table of Contents Part Number IndexSRM-2502 Trimmer Intake, Exhaust, Air Cleaner

89861247730 - 6 - REVISED 07/10/09

Table of Contents Part Number IndexSRM-2502 Trimmer Carburetor

REMARKSDESCRIPTIONQTYPART NUMBERITEMCARBURETOR ASS'Y112300041030SCREW1123114406305BRACKET, IDLE ADJUST1123128406306SPRING, IDLE ADJUST1123133260307SCREW, IDLE ADJUST1123134400308VALVE THROTTLE1123116406309SWIVEL11231722603010WASHER11231492603011CLIP11231730793012SLEEVE, MOUNTING11231584063013RING, PACKING11------------------14

O-RING21------------------15

JET21------------------16

CARB BODY3------------------17

GASKET, PUMP11------------------20

DIAPHRAGM, PUMP11------------------21PLATE, PUMP11231604063022GASKET, PLATE11------------------23

SCREEN, INLET21------------------24

BODY ASS'Y, PUMP21------------------25

GASKET. M. DIAPHRAGM11------------------29

DIAPHRAGM, METERING11------------------30BODY ASS'Y, AIRPURGE11231804063031BULB, PURGE11231814063032COVER, PRIMER PUMP11231420296033SCREW, PUMP COVER41231104063034CARBURETOR REPAIR KIT12310040930CARBURETOR DIAPHRAGM/GASKETKIT

12310140630

Footnotes 1: Included in Carburetor Repair Kit, P/N 12310040930 & Carburetor Diaphragm/gasket Kit, P/N 123101406302: Included in Carburetor Diaphragm/gasket kit, P/N 123101406303: Use Carb Ass'y P/N 12300041030

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Table of Contents Part Number IndexSRM-2502 Trimmer Carburetor

89861247730 - 8 - REVISED 07/10/09

Table of Contents Part Number IndexSRM-2502 Trimmer Fuel System

REMARKSDESCRIPTIONQTYPART NUMBERITEMVENT ASSEMBLY1131300406305CLIP1130111005306

REPOWER BULK OPTION: 90017PIPE, RETURN - 3X6X45mm1132010448307FUEL SYSTEM PIPE KIT1132002409308CONNECTOR, PIPE1132021406309WASHER 519006030000510STRAINER ASM., FUEL11312002133011CUSHION31319252233013TANK, FUEL11310104093014CAP ASY11310044093018GASKET, CAP11310164093019CUSHION11319244093023STAND13051104093024SCREW 5X1039002380501025COVER, VENT11313284063026

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Table of Contents Part Number IndexSRM-2502 Trimmer Fuel System

89861247730 - 10 - REVISED 07/10/09

Table of Contents Part Number IndexSRM-2502 Trimmer Starter, Ignition, Clutch

REMARKSDESCRIPTIONQTYPART NUMBERITEMSHAFT, CLUTCH2175046223325SPRING, CLUTCH1175018055356SHOE, CLUTCH2175009055317WASHER (I)2175048055308NUT 8 #329005020000811WASHER, SPRING 819006050000512WASHER 819006000000813FLYWHEEL11568012233014LEAD, GROUND11620222723018LEAD, GROUND11620142723019SCREW 5X1019002380501020COIL, IGNITION11566014093021SCREW 5X2029002380502022GROMMET11561124063025CAP, SPARK PLUG11590120343326COIL, SPARK PLUG CAP11590110343227SPARK PLUG -- BPM-7A11590101063028SPARK PLUG -- BPMR-7A11590101023028STARTER PAWL ASY1A05200003032E-RING 419007000000433CATCHER, PAWL11772104063034SPRING, RETURN11772344063035PAWL, STARTER11772184063036STARTER ASSEMBLY11772004093040SCREW11772364063041WASHER11772144063042DRUM, STARTER11772154063043GRIP, STARTER11772264063044GUIDE, ROPE11772270553045GRIP, STARTER11772280653046SPRING, REWIND11772204063047CASE, STARTER11772324093048SCREW 4X1449002350401451LABEL, ECHO18901124093052

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Table of Contents Part Number IndexSRM-2502 Trimmer Starter, Ignition, Clutch

89861247730 - 12 - REVISED 07/10/09

Table of Contents Part Number IndexSRM-2502 Trimmer Engine, Crankcase, Fan Housing, Cover

REMARKSDESCRIPTIONQTYPART NUMBERITEMSCREW 4X142900238040144SCREW 5X161900238050165GUARD TOP1159905409306SCREW 4X101900238040107COVER, CYLINDER1101514409308CYLINDER1101011223309SCREW 5X2049001620502010GASKET, CYL. BASE11------------------11RING, PISTON21000110533012PISTON11000102233013PIN, PISTON11000132233014CIRCLIP, PISTON PIN21000150463015BEARING, NEEDLE11000122233016LABEL - MODEL18901154773020COVER, FAN11015144093021SCREW 5X2049002380502022DUCT, AIR11015344093023SCREW 4XS559002350400524DUCT, AIR11015414093025OILSEAL11002120393030CIRCLIP 3219002020003231CRANKCASE SET11002002233133DOWEL PIN - 4X7.8mm2V62200002034GASKET, CRANKCASE11------------------35BEARING, BALL - 62011940353620136KEY, WOODRUFF11001420031037CRANKSHAFT ASSEMBLY11001002243038BEARING, BALL 600119008003600139SCREW 5X2549002380502540OILSEAL11002130553041Gasket Kit88900027230

Footnotes 1: Also Included In Gasket Kit

89861247730 - 13 - REVISED 07/10/09

Table of Contents Part Number IndexSRM-2502 Trimmer Engine, Crankcase, Fan Housing, Cover

89861247730 - 14 - REVISED 07/10/09

Table of Contents Part Number IndexSRM-2502 Trimmer Gear Case, Shield,Tools

REMARKSDESCRIPTIONQTYPART NUMBERITEMGEAR CASE ASY161040247732SCREW 5X101900220050105WASHER, SPRING1900605000056WASHER 53900600000057BOLT 8X81900100080088BOLT 5X352900100050359WASHER, SHIM26102390413010CIRCLIP 1219007060001211CIRCLIP 2219007020002212BEARING, BALL 690019008580690013BEARING, BALL 690019008550690014GEAR SET, BEVEL16103004483017HOUSING, GEAR19007022743018BEARING, BALL 60919008000060919CIRCLIP 1019007060001020SHAFT, GEAR16103600893121BEARING, BALL - 62011940353620122CIRCLIP 3219007020003223SPACER16103150713024OILSEAL16104130713025PLATE, ADAPTER (U)16103134773026LABEL, ECHO18901384433037LOCKING ROD18975180113144SPANNER 5x1018951120033045WRENCH, W/S-DRIVER18954100803046

CANADIAN MODELLABEL, CAUTION18903524053051SHIELD ASSY16990044093052SCREW 5X1659002420501653KNIFE, CORD16990164433054NUT 529005000000555BRACKET, SHIELD16990184083056LABEL, CAUTION18901684483051

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Table of Contents Part Number IndexSRM-2502 Trimmer Gear Case, Shield,Tools

89861247730 - 16 - REVISED 07/10/09

Table of Contents Part Number IndexSRM-2502 Trimmer Driveshaft, Handles,Throttle, Stop Switch, Clutch Housing

REMARKSDESCRIPTIONQTYPART NUMBERITEMHANDLE ASSY, LOOP1351201408305NUT 54900500000056SCREW 6X354900247060357LABEL, CAUTION11890160476308

LABEL, CAUTION11590160454309BRACKET, THROTTLE11780244473011SWITCH, IGNITION11634002723012NUT 519005000000513LOCKNUT 514330200083014HOUSING ASS'Y, D.SET11------------------16

STOPPER126102464473029

LINER, FLEXIBLE116102174473031NUT 6 #329006020000617WASHER 629006050000618WIRE, THROTTLE11780014093019TUBE, VINYL11781274093020HOLDER, THR. WIRE11780480563021GRIP, HANDLE13510124093022SPRING, THR. RETURN11780430693023CONTROL, THROTTLE11780100563124SCREW11781100533025SCREW 5X3019002420503026DRIVESHAFT - FLEXIBLE16100134473032DRUM, CLUTCH11750054483033CIRCLIP 2819007020002534BEARING, BALL 600129008080600135CIRCLIP 1219007010001236CASE, CLUTCH16102234423037SCREW 5X1649002380501638CUSHION16109102783239HOLDER16109232743240HOLDER16109222743241BOLT 5x2529001420502542

Footnotes 1: Included in Drive Shaft Housing Assembly, P/N 61060944730

89861247730 - 17 - REVISED 07/10/09

Table of Contents Part Number IndexSRM-2502 Trimmer Driveshaft, Handles,Throttle, Stop Switch, Clutch Housing

Click The Page Number After Any Part Number To View The Diagram Containing That Part.PagePart Number

7, 13, 17------------------ .............1310001022330 ............1310001105330 ............1310001222330 ............1310001322330 ............1310001504630 ............1310010022430 ............1310014200310 ............1310020022331 ............1310021203930 ............1310021305530 ............1310101122330 ............510101422330 ............1310151440930 ............1310153440930 ............1310154140930 ............5, 712300041030 ............712310040930 ............712310140630 ............712311040630 ............712311440630 ............712311640630 ............712312840630 ............712313326030 ............712313440030 ............712314202960 ............712314926030 ............712315840630 ............712316040630 ............712317226030 ............712317307930 ............712318040630 ............712318140630 ............512900640930 ............513000740930 ............513001022330 ............513001640930 ............513002240930 ............513002641030 ............913011100530 ............513030240930 ............513030740930 ............513031040930 ............513041540630 ............913100440930 ............913101040930 ............913101640930 ............913120021330 ............913130040630 ............913132840630 ............913192440930 ............913192522330 ............913200240930 ............913201044830 ............913202140630 ............514551022330 ............514564222330 ............514580627230 ............514586227230 ............514586627230 ............514590640930 ............514590640931 ............1115611240630 ............1115660140930 ............1115680122330 ............1115901010230 ............1115901010630 ............1115901103432 ............1115901203433 ............1315990540930 ............1116201427230 ............1116202227230 ............1716340027230 ............

PagePart Number

1717500544830 ............1117500905531 ............1117501805535 ............1117504622332 ............1117504805530 ............1117720040930 ............1117721040630 ............1117721440630 ............1117721540630 ............1117721840630 ............1117722040630 ............1117722640630 ............1117722705530 ............1117722806530 ............1117723240930 ............1117723440630 ............1117723640630 ............1717800140930 ............1717801005631 ............1717802444730 ............1717804306930 ............1717804805630 ............1717811005330 ............1717812740930 ............517851041030 ............517851540630 ............517851600830 ............517881005230 ............930511040930 ............1735101240930 ............1735120140830 ............5, 1743302000830 ............1759016045430 ............1761001344730 ............1761021744730 ............1761022344230 ............1561023904130 ............1761024644730 ............1561030044830 ............1561031347730 ............1561031507130 ............1561036008931 ............1561040247732 ............1561041307130 ............1761091027832 ............1761092227432 ............1761092327432 ............1569900440930 ............1569901644330 ............1569901840830 ............1388900027230 ............1189011240930 ............1389011547730 ............589012112339 ............1589013844330 ............1789016047630 ............1589016844830 ............1589035240530 ............1589511200330 ............1589541008030 ............1589751801131 ............1590010005035 ............1590010008008 ............1790014205025 ............1390016205020 ............1390020200032 ............1590022005010 ............1390023504005 ............1190023504014 ............590023505010 ............590023804008 ............1390023804010 ............1390023804014 ............

PagePart Number

9, 1190023805010 ............13, 1790023805016 ............5, 11, 1390023805020 ............1390023805025 ............590023805050 ............1590024205016 ............1790024205030 ............1790024706035 ............15, 1790050000005 ............1190050200008 ............1590060000005 ............1190060000008 ............1790060200006 ............990060300005 ............11, 1590060500005 ............1790060500006 ............1190070000004 ............1790070100012 ............1590070200022 ............1790070200025 ............1590070200032 ............1590070227430 ............1590070600010 ............1590070600012 ............590072000004 ............1590080000609 ............1390080036001 ............1790080806001 ............1590085506900 ............1590085806900 ............13, 159403536201 ..............11A052000030 ..............13V622000020 ..............

89861247730 - 18 - REVISED 07/10/09

Table of Contents Part Number Index

Part Number Index

Click The Page Number After Any Part Desciption To View The Diagram Containing That Part.

BBEARING, BALL - 6201.....13, 15BEARING, BALL 6001.....13, 17BEARING, BALL 609.....15BEARING, BALL 6900.....15BEARING, NEEDLE.....13BODY ASS'Y, AIRPURGE.....7BODY ASS'Y, PUMP.....7BOLT 5x25.....17BOLT 5X35.....15BOLT 8X8.....15BRACKET, IDLE ADJUST.....7BRACKET, SHIELD.....15BRACKET, THROTTLE.....17BULB, PURGE.....7

CCAP ASY.....9CAP, SPARK PLUG.....11CARB BODY.....7CARBURETOR ASS'Y.....7CARBURETOR DIAPHRAGM/GASKET KIT.....7CARBURETOR REPAIR KIT.....7CARBURETOR WY-21.....5CASE, AIR CLEANER.....5CASE, CLUTCH.....17CASE, STARTER.....11CATCHER, PAWL.....11CIRCLIP 10.....15CIRCLIP 12.....15, 17CIRCLIP 22.....15CIRCLIP 28.....17CIRCLIP 32.....13, 15CIRCLIP, PISTON PIN.....13CLIP.....7, 9COIL, IGNITION.....11COIL, SPARK PLUG CAP.....11CONNECTOR, PIPE.....9CONTROL, THROTTLE.....17COVER ASY, AIR CLE.....5COVER, CYLINDER.....13COVER, FAN.....13COVER, MUFFLER.....5COVER, PRIMER PUMP.....7COVER, VENT.....9CRANKCASE SET.....13CRANKSHAFT ASSEMBLY.....13CUSHION.....9, 17CYLINDER.....13

DDIAPHRAGM, METERING.....7DIAPHRAGM, PUMP.....7DOWEL PIN - 4X7.8mm.....13DRIVESHAFT - FLEXIBLE.....17DRUM, CLUTCH.....17DRUM, STARTER.....11DUCT, AIR.....13

EE-RING 4.....11

FFILTER, AIR.....5FLYWHEEL.....11FUEL SYSTEM PIPE KIT.....9

GGasket Kit.....13GASKET, CAP.....9GASKET, CRANKCASE.....13GASKET, CYL. BASE.....13GASKET, INTAKE.....5GASKET, MUFFLER.....5GASKET, MUFFLER LID.....5GASKET, PLATE.....7GASKET, PUMP.....7GASKET. M. DIAPHRAGM.....7GEAR CASE ASY.....15GEAR SET, BEVEL.....15GRIP, HANDLE.....17GRIP, STARTER.....11GROMMET.....11GROMMET, CHOKE.....5GUARD TOP.....13GUIDE, ROPE.....11

HHANDLE ASSY, LOOP.....17HOLDER.....17HOLDER, SCREEN.....5HOLDER, THR. WIRE.....17HOUSING ASS'Y, D.SET.....17HOUSING, GEAR.....15

IINSULATOR.....5

JJET.....7

KKEY, WOODRUFF.....13KNIFE, CORD.....15

LLABEL - MODEL.....13LABEL, CAUTION.....15, 17LABEL, CHOKE.....5LABEL, ECHO.....11, 15LEAD, GROUND.....11LINER, FLEXIBLE.....17LOCKING ROD.....15LOCKNUT 5.....5, 17

MMUFFLER.....5

NNUT 5.....15, 17NUT 6 #3.....17NUT 8 #3.....11

OOILSEAL.....13, 15O-RING.....7O-RING 4.....5

PPAWL, STARTER.....11PIN, PISTON.....13PIPE, RETURN - 3X6X45mm.....9PISTON.....13PLATE.....5PLATE, ADAPTER (U).....15PLATE, PUMP.....7

RRING, PACKING.....7RING, PISTON.....13ROD, CHOKE.....5

SSCREEN, INLET.....7SCREEN, MUFFLER.....5SCREW.....7, 11, 17SCREW 4X10.....13SCREW 4X14.....11, 13SCREW 4X8.....5SCREW 4XS5.....13SCREW 5X10.....5, 9, 11, 15SCREW 5X16.....13, 15, 17SCREW 5X20.....5, 11, 13SCREW 5X25.....13SCREW 5X30.....17SCREW 5X50.....5SCREW 6X35.....17SCREW, IDLE ADJUST.....7SCREW, PUMP COVER.....7SHAFT, CLUTCH.....11SHAFT, GEAR.....15SHIELD ASSY.....15SHOE, CLUTCH.....11SHUTTER, CHOKE.....5SLEEVE, MOUNTING.....7SPACER.....5, 15SPANNER 5x10.....15SPARK PLUG -- BPM-7A.....11SPARK PLUG -- BPMR-7A.....11SPRING, CLUTCH.....11SPRING, IDLE ADJUST.....7SPRING, RETURN.....11SPRING, REWIND.....11SPRING, THR. RETURN.....17STAND.....9STARTER ASSEMBLY.....11STARTER PAWL ASY.....11STOPPER.....17STRAINER ASM., FUEL.....9STUD (5x60).....5SWITCH, IGNITION.....17SWIVEL.....7

TTANK, FUEL.....9TUBE, VINYL.....17

89861247730 - 19 - REVISED 07/10/09

Table of Contents Part Number Index

Part Description Index

VVALVE THROTTLE.....7VENT ASSEMBLY.....9

WWASHER.....5, 7, 11WASHER (I).....11WASHER 5.....9, 15WASHER 6.....17WASHER 8.....11WASHER, SHIM.....15WASHER, SPRING.....15WASHER, SPRING 8.....11WIRE, THROTTLE.....17WRENCH, W/S-DRIVER.....15

89861247730 - 20 - REVISED 07/10/09

Table of Contents Part Number Index

Part Description Index (continued)

NOTES

89861247730 - 21 - REVISED 07/10/09

ECHO, INCORPORATED400 Oakwood Road

Lake Zurich, IL 60047 USA

WWW.ECHO-USA.COM