Echo SRM-225U Instruction Manual

OPTIONAL ATTACHMENTS & ACCESSORIES
Accessories
99944200411 20mm Blade Conversion Kit
99944200415 Universal Blade Conversion Kit
99944200455 Barrier Bar
SRAC-200 Tiller/Cultivator Attachment
Cutting Blades
69500120331 80 Tooth Brush Blade - 8"
69600120331 8 Tooth Blade - 20mm Arbor - 8"
99944200035 Tri-Cut Blade with Glide Cup - 20mm Arbor
99944200047 3 Cutter Metal Blade - 20mm Arbor
99944200130 22ToothClearingSawBlade-- 20mm Arbor
P021016360 Blade Protector - 8"
Cutting Heads
21560031 SRM ECHOmatic Pro Head
21560050 SRM ECHOmatic Head
21560056 2-Line Rapid Loader Trimmer Head
21560060 SRM Manual Dual Line Head
21560070 SRM ECHOmatic Head
99944200220 Heavy Duty Fixed Line Head
99944200900 U-Turn Head
99944200902 SPEED-FEED 375 Trimmer Head
PARTS CATALOG
SRM-225U
Brushcutter
21.2cc
MODEL:SERIAL NUMBERS
SRM-225U: S/N: S79111001001 - S79111999999
ECHO, INCORPORATED
400 Oakwood Road Lake Zurich, Illinois 60047 USA
WWW.ECHO-USA.COM
99922200785
©2012 ECHO Incorporated, RePower is Registered Trademark of ECHO Incorporated. All Rights Reserved REVISED 05/08/12

Click Any Diagram Description BelowTo ViewThat Diagram.
SRM-225U S/N: S79111001001 - S79111999999
Engine Cover, Starter......................................................................................................................................................4
Fuel System S/N: S79111001001 - S79111002122........................................................................................................6
Fuel System S/N: S79111005496 - S79111999999........................................................................................................8
Intake..............................................................................................................................................................................10
Carburetor -- RB-K93.....................................................................................................................................................12
Exhaust...........................................................................................................................................................................14
Fan Case, Clutch............................................................................................................................................................16
Ignition S/N: S79111001001 - S79111002066...............................................................................................................18
Ignition S/N: S79111002067 - S79111999999...............................................................................................................20
Engine, Short Block -- SB1096.....................................................................................................................................22
SPEED-FEED 375 Trimmer Head..................................................................................................................................24
U-Turn Head...................................................................................................................................................................26
Debris Shield - Plastic...................................................................................................................................................28
8Tooth Blade - 20mm Arbor -- 8".................................................................................................................................30
Metal Shield....................................................................................................................................................................32
Gear Case.......................................................................................................................................................................34
Shoulder Harness..........................................................................................................................................................36
Handles, Throttle Cable.................................................................................................................................................38
Main Pipe Assembly, Driveshaft...................................................................................................................................40
Labels.............................................................................................................................................................................42
Tools...............................................................................................................................................................................44
90008 RePower FILTER KIT..........................................................................................................................................46
90010 RePower CAP AND VENT KIT............................................................................................................................48
90074 RePower TUNE-UP KIT.......................................................................................................................................50
90117 RePower FUEL SYSTEM KIT.............................................................................................................................52
90127 RePower FUEL SYSTEM KIT.............................................................................................................................54
P021015980 GASKET KIT.............................................................................................................................................56
Part Number Index.........................................................................................................................................................58
Part Description Index..................................................................................................................................................59
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Table of Contents Part Number Index
Table of Contents

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Table of Contents Part Number Index
SRM-225U Brushcutter Engine Cover, Starter

REMARKSDESCRIPTIONQTYPART NUMBERITEM SCREW - 5X16 -- TORX1V8050001501SCREW - 5X16 -- TAPPING1V8050000002SCREW - 5X16 -- TAPPING1V8050000003SCREW - 5X201V8050001604SCREW - 4X16 -- TORX4V8040000605COVER, ENGINE1A1600010906Includes ITEMS 8-15STARTER ASY1A0510013117SCREW1177236618308PLATE, CAM1P0220082809SPRING, DAMPER1P02200827010 RETAINER, ROPE11772461112011 GRIP, STARTER11772282703012 RePower BULK OPTION: 99944440000
ROPE, STARTER - 3X7001
1P02201999013 PULLEY1P02200683014 SPRING, REWIND1P02201968015 Includes ITEMS 17-19STARTER PAWL ASY1A05200018016 RING, RETAINING - 42P02200210017 SPRING, RETURN21772341222018 PAWL2P02200685019
Footnotes
1: RePower BULK OPTION: 99944440000
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Table of Contents Part Number Index
SRM-225U Brushcutter Engine Cover, Starter

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Table of Contents Part Number Index
SRM-225U Brushcutter Fuel System S/N: S79111001001 - S79111002122

REMARKSDESCRIPTIONQTYPART NUMBERITEM Includes ITEMS 2-3CAP ASY1P0210122101GASKET1131016558302CONNECTOR, CAP1A3650000603SCREW - 5X203V8050001604Includes ITEM 7FUEL TANK ASY1A3500007805SPACER3V3530002316CLIP - 62132013098207VENT ASY1A3560000308RePower BULK OPTION: 90014
PIPE - 3X5X90 -- BLACK1
1V4710012109FILTER, FUEL11312050732010 RePower BULK OPTION: 90014
PIPE - 3X5X210 -- BLACK1
1V47100123011 RePower BULK OPTION: 90017
PIPE - 3X6X80 -- CLEAR2
11320125603012 GROMMET1V13700003013 Included In Kit
RePower FUEL SYSTEM KIT3
90117FS Included In Kit
RePower TUNE-UP KIT3
90074TU Included In Kit
RePower FILTER KIT3
90008FF Included In Kit
RePower CAP ANDVENT KIT3
90010CV
Footnotes
1: RePower BULK OPTION: 90014
2: RePower BULK OPTION: 90017
3: Included In Kit
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Table of Contents Part Number Index
SRM-225U Brushcutter Fuel System S/N: S79111001001 - S79111002122

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Table of Contents Part Number Index
SRM-225U Brushcutter Fuel System S/N: S79111005496 - S79111999999

REMARKSDESCRIPTIONQTYPART NUMBERITEM Includes ITEMS 2-3CAP ASY1P0210404301GASKET, CAP1V1070001502CONNECTOR, CAP1A3650000603SCREW - 5X203V8050001604Includes ITEM 7FUEL TANK ASY1A3500007805SPACER3V3530002316CLIP3V4900012407VENT ASY1A3560000308RePower BULK OPTION: 90014
PIPE - 3X5X90 -- BLACK1
1V4710012109FILTER, FUEL11312050732010 RePower BULK OPTION: 90014
PIPE, LOWER - 3X5X130 -- BLACK1
1V47100370011 CONNECTOR1V18600052012 RePower BULK OPTION: 90017
PIPE - 3X6X80 -- CLEAR2
11320125603013 RePower BULK OPTION: N/A
PIPE, UPPER - 3X5X74 -- BLACK3
1V47100369114 GROMMET11321154673015 Included In Kit
RePower FUEL SYSTEM KIT4
90127FS Included In Kit
RePower TUNE-UP KIT4
90074TU Included In Kit
RePower FILTER KIT4
90008FF
Footnotes
1: RePower BULK OPTION: 90014
2: RePower BULK OPTION: 90017
3: RePower BULK OPTION: N/A
4: Included In Kit
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Table of Contents Part Number Index
SRM-225U Brushcutter Fuel System S/N: S79111005496 - S79111999999

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Table of Contents Part Number Index
SRM-225U Brushcutter Intake

REMARKSDESCRIPTIONQTYPART NUMBERITEM THUMBSCREW1V2990002501COVER, AIR CLEANER1A2320004802FILTER, AIR - DOUBLE LAYER1A2260014103OPTIONAL
FILTER, AIR - SINGLE LAYER1
1130310541304SCREW - 5X65 -- TORX2V8050001005NUT - 52900500000056PLATE, PREVENT1129011527307CASE, AIR CLEANER1P0210128708See Carburetor Diagram For Details
CARBURETOR2
1------------------9Included In GASKET KIT
GASKET, INTAKE3
1V10300150010 SCREW - 5X202V80500016011 INSULATOR, INTAKE11300174433112 Included In GASKET KIT
SHIELD, INTAKE3
1V10300136013 Included In Kit
RePower TUNE-UP KIT4
90074TU Included In Kit
RePower FILTER KIT4
90008FF
Footnotes
1: OPTIONAL
2: See Carburetor Diagram For Details
3: Included In GASKET KIT
4: Included In Kit
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Table of Contents Part Number Index
SRM-225U Brushcutter Intake

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Table of Contents Part Number Index
SRM-225U Brushcutter Carburetor -- RB-K93

REMARKSDESCRIPTIONQTYPART NUMBERITEM CARBURETOR -- RB-K931A021001690 SCREW3125344139311SCREW1125344521302SWIVEL1P0050012403RING, RETAINING1P0050001904SCREW, IDLE ADJUST1P0050001005ROTOR COVER ASY1P0050020506O-RING1P0050002807SCREW, PURGE BULB RETAINER4P0050019008RETAINER, PURGE BULB1P0050002509BULB, PURGE11253810866010 SCREW, PURGE BASE1P00500027011 BASE, PURGE1P00500189012 CAP, LIMITER1P00500127013 NEEDLE - HIGH SPEED1P00500126014 SCREW21253445213015 COVER, METERING11253425213016 SCREW, METERING LEVER PIN11253394203017 Includes ITEMS 19-28REPAIR KIT1P00500167018 GUIDE, ROLLER1P00500100019 GASKET, PUMP1------------------20 DIAPHRAGM, PUMP1------------------21 STRAINER1------------------22 SPRING, METERING LEVER1------------------23 VALVE, INLET NEEDLE1------------------24 PIN, METERING LEVER1------------------25 LEVER, METERING1------------------26 DIAPHRAGM, METERING1------------------27 GASKET, DIAPHRAGM1------------------28 Includes ITEMS 30-33DIAPHRAGM/GASKET KIT1P00500166029 GASKET, PUMP1------------------30 DIAPHRAGM, PUMP1------------------31 DIAPHRAGM, METERING1------------------32 GASKET, DIAPHRAGM1------------------33 NOT AVAILABLE SEPARATELY
BODY, CARBURETOR1
1------------------34 Included In Kit
RePower FUEL SYSTEM KIT2
90127FS
Footnotes
1: NOT AVAILABLE SEPARATELY
2: Included In Kit
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Table of Contents Part Number Index
SRM-225U Brushcutter Carburetor -- RB-K93

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Table of Contents Part Number Index
SRM-225U Brushcutter Exhaust

REMARKSDESCRIPTIONQTYPART NUMBERITEM SCREW - 4X8 -- TORX5V8040000801GUIDE, EXHAUST1A3130006002INTERCHANGEABLE - Included In GASKET KIT
GASKET, EXHAUST1
1V1040017603SCREEN, SPARK ARRESTER1145862406304SCREW - 5X552V8050001905No Longer Required
WASHER - CONICAL2
4------------------6PLATE1V1500003717MUFFLER1A3000008108Included In GASKET KIT
SHIELD, EXHAUST3
1V1040008509SCREW - 5X16 -- TORX1V80500015010 SCREW - 5X16 -- TAPPING1V80500000011 DUCT, AIR1A32000048012
Footnotes
1: INTERCHANGEABLE - Included In GASKET KIT
2: No Longer Required
3: Included In GASKET KIT
99922200785 - 15 - REVISED 05/08/12
Table of Contents Part Number Index
SRM-225U Brushcutter Exhaust

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Table of Contents Part Number Index
SRM-225U Brushcutter Fan Case, Clutch

REMARKSDESCRIPTIONQTYPART NUMBERITEM SCREW - 5X202V8050001601HOLDER, MAIN PIPE - UPPER1610922274322HOLDER - LOWER1610923552303CUSHION1610910552304SCREW - 4X16 -- TORX4V8040000605Includes ITEMS 7-11FAN CASE ASY1P0210155606PIN, DOWEL2V6220000207RING, RETAINING - 121900701000128BEARING, BALL - 60012900807960019RING, RETAINING - 2819007020002810 DRUM, CLUTCH11750054893111 CLUTCH ASY1A05600023012
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Table of Contents Part Number Index
SRM-225U Brushcutter Fan Case, Clutch

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Table of Contents Part Number Index
SRM-225U Brushcutter Ignition S/N: S79111001001 - S79111002066

REMARKSDESCRIPTIONQTYPART NUMBERITEM SCREW - 4X20 -- TORX2V8040000701COIL, IGNITION1A4110001302TUBE, INSULATOR1V4750041603TERMINAL, SPARK PLUG CAP1A4260000104CAP, SPARK PLUG1A4270000135SPARK PLUG -- BPM-8Y1
1159010198306SPARK PLUG -- BPMR-8Y2
1A4250000007LEAD - IGNITION1V4850011208FLYWHEEL1A4090002109SCREW - 5X16 -- TORX1V80500015010 CLAMP11591162123111 COVER, DEBRIS1A12700016012 LEAD - GROUND11620142723013 Included In Kit
RePower TUNE-UP KIT3
90074TU
Footnotes
1: Included In RePowerTUNE-UP KIT
2: CANADA - Included In RePowerTUNE-UP KIT
3: Included In Kit
99922200785 - 19 - REVISED 05/08/12
Table of Contents Part Number Index
SRM-225U Brushcutter Ignition S/N: S79111001001 - S79111002066

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Table of Contents Part Number Index
SRM-225U Brushcutter Ignition S/N: S79111002067 - S79111999999