ECHO SRM-225 Trimmer Parts Catalog

This document provides a detailed parts breakdown for the ECHO SRM-225 Trimmer.

Accessories for ECHO products can be found at: http://www.echo.ca/products/catalogs

Optional Accessories

DESCRIPTION PART NUMBER
SRM Harness Kit 99944200200
Brushcutter Harness 99944200202
U-Handle Kit 99944200435
Barrier Bar 99944200455
Blade conversion kit 99944200418
Blade conversion kit 99944200422
Tiller/Cultivator Attachment SRAC-200

Cutting Heads

DESCRIPTION PART NUMBER
ECHOmatic Pro Head 21560031
ECHOmatic Head 21560070
2-Line Rapid Loader Head 21560056
Heavy Duty Fixed Line Head 99944200220
Speed-Feed 400 Head 99944200907

Product Information

Model: SRM-225 Trimmer

Engine Displacement: 21.2 cc

Serial Number Range: T79813001001 - T79813999999

Manufacturer: ECHO, INCORPORATED

Address: 400 Oakwood Road, Lake Zurich, Illinois 60047

Website: www.echo-usa.com

Revision Date: 04/26/17

Engine Cover

Diagram showing the engine cover (1) and two TORX bolts (2, 3).

NO. PART NUMBER QTY. DESCRIPTION
1 A160001090 1 COVER, ENGINE
2 V805000150 1 BOLT, TORX 5×16
3 V805000000 1 BOLT, TORX 5×16

Engine

Exploded view diagram of the engine assembly, showing cylinder, piston, crankshaft, crankcase, and associated components.

NO. PART NUMBER QTY. DESCRIPTION
1 SB1096 1 SHORT BLOCK
2 90016205022 2 +BOLT 5×22
3 V104000850 1 +HEAT SHIELD, EXHAUST
4 A130000540 1 +CYLINDER
5 V100000160 1 +GASKET, CYLINDER
6 P021007712 1 +PISTON KIT
7 A101000090 1 ++RING, PISTON
8 10001311520 1 ++PIN, PISTON 8
9 10001504630 2 ++RING, SNAP
10 10001411520 2 ++WASHER, THRUST 8.2×13×0.5
11 A011001410 1 +CRANKSHAFT ASSY
12 V553000060 1 ++BEARING, NEEDLE 8
13 10020452133 1 +CRANKCASE KIT
14 10021242031 2 ++SEAL, OIL 12
15 90033040080 2 ++PIN, LOCATING 4×8
16 9403536201 2 ++BEARING, BALL 6201
17 10024242030 1 ++GASKET, CRANKCASE
18 90016205028 3 ++BOLT 5×28
19 V103001500 1 +GASKET, INTAKE
20 V103001360 1 +HEAT SHIELD, INTAKE
21 P021015981 1 GASKET KIT

Carburetor (S/N T79813001001 - T79813012300)

Exploded view diagram of the carburetor assembly, showing various internal components like gaskets, diaphragms, levers, and screws.

NO. PART NUMBER QTY. DESCRIPTION
1 A021004270 1 CARBURETOR - GL-2
2 P006000260 1 +SCREW, THROTTLE ADJUST
3 P006000250 1 +E-RING
4 P006000240 1 +SWIVEL
5 P006000220 2 +CAP, LIMITER
6 P006000090 3 +SCREW
7 P006000100 3 +SCREW
8 P006000080 1 +COVER ASSY, ROTOR
9 P006000190 1 +O-RING
10 P006000280 1 +REPAIR KIT
11 1 ++GASKET, PUMP
12 1 ++DIAPHRAGM, PUMP
13 1 ++SCREEN, FUEL INLET
14 1 ++GUIDE, ROLLER
15 1 ++SPRING, METERING LEVER
16 1 ++PIN, METERING LEVER
17 1 ++LEVER, METERING
18 1 ++VALVE, INLET NEEDLE
19 1 ++GASKET, METERING DIAPHRAGM
20 1 ++DIAPHRAGM, METERING
21 P006000180 1 +COVER, METERING DIAPHRAGM
22 P006000150 1 +SCREW
23 P006000230 1 +NEEDLE, HIGH SPEED
24 P006000210 1 +RETAINER, CAP
25 P006000020 1 +BODY ASSY, PURGE
26 P006000030 1 +SCREW
27 P006000040 1 +BULB, PURGE
28 P006000050 1 +RETAINER, PURGE BULB
29 P006000060 4 +SCREW

Carburetor (S/N T79813012301 - T79813015310)

Exploded view diagram of the carburetor assembly, similar to the previous one, with specific part numbers for this serial number range.

NO. PART NUMBER QTY. DESCRIPTION
1 A021001692 1 CARBURETOR - RB-K93
2 P005000100 1 +SCREW, IDLE ADJUST
3 P005000190 1 +E-RING
4 P005002090 1 +SWIVEL
5 P005001270 2 +PLUG
6 12534413931 3 +SCREW
7 12534452130 3 +SCREW
8 P005002050 1 +COVER ASSY, ROTOR
9 P005000280 1 +O-RING
10 P005002280 1 +REPAIR KIT, CARBURETOR
11 1 ++GASKET, PUMP
12 1 ++DIAPHRAGM, PUMP
13 1 ++SCREEN, FUEL INLET
14 1 ++GUIDE, ROLLER
15 1 ++SPRING, METERING LEVER
16 1 ++PIN, METERING LEVER
17 1 ++LEVER, METERING
18 1 ++VALVE, INLET NEEDLE
19 1 ++GASKET, METERING DIAPHRAGM
20 1 ++DIAPHRAGM, METERING
21 12534252130 1 +COVER, METERING DIAPHRAGM
22 12533942030 1 +SCREW
23 P005001260 1 +NEEDLE, HIGH SPEED
24 P005001250 1 +CAP, LIMITER
25 P005002270 1 +GASKET / DIAPHRAGM KIT
26 1 ++GASKET, PUMP
27 1 ++DIAPHRAGM, PUMP
28 1 ++GASKET, METERING DIAPHRAGM
29 1 ++DIAPHRAGM, METERING
30 P005002480 1 +BODY ASSY, PURGE
31 P005000270 1 +SCREW
32 P005003110 1 +BULB, PURGE
33 P005000250 1 +RETAINER, PURGE BULB
34 P005001900 4 +SCREW
35 90127Y 1 FUEL SYSTEM KIT - YOUCAN™

Carburetor (S/N T79813015311 - T79813999999)

Exploded view diagram of the carburetor assembly, similar to the previous ones, with specific part numbers for this serial number range.

NO. PART NUMBER QTY. DESCRIPTION
1 A021004270 1 CARBURETOR - GL-2
2 P006000260 1 +SCREW, THROTTLE ADJUST
3 P006000250 1 +E-RING
4 P006000240 1 +SWIVEL
5 P006000220 2 +CAP, LIMITER
6 P006000090 3 +SCREW
7 P006000100 3 +SCREW
8 P006000080 1 +COVER ASSY, ROTOR
9 P006000190 1 +O-RING
10 P006000280 1 +REPAIR KIT
11 1 ++GASKET, PUMP
12 1 ++DIAPHRAGM, PUMP
13 1 ++SCREEN, FUEL INLET
14 1 ++GUIDE, ROLLER
15 1 ++SPRING, METERING LEVER
16 1 ++PIN, METERING LEVER
17 1 ++LEVER, METERING
18 1 ++VALVE, INLET NEEDLE
19 1 ++GASKET, METERING DIAPHRAGM
20 1 ++DIAPHRAGM, METERING
21 P006000180 1 +COVER, METERING DIAPHRAGM
22 P006000150 1 +SCREW
23 P006000230 1 +NEEDLE, HIGH SPEED
24 P006000210 1 +RETAINER, CAP
25 P006000020 1 +BODY ASSY, PURGE
26 P006000030 1 +SCREW
27 P006000040 1 +BULB, PURGE
28 P006000050 1 +RETAINER, PURGE BULB
29 P006000060 4 +SCREW

Intake System

Diagram showing the air filter cover (2), air filter (3), and associated screws and gaskets.

NO. PART NUMBER QTY. DESCRIPTION
1 V299000250 1 THUMBSCREW
2 A232001850 1 COVER, AIR FILTER
3 A226001410 1 FILTER, AIR - DOUBLE LAYER
4 V805000100 2 BOLT, TORX 5×65
5 12901152730 1 PLATE, PREVENT
6 P021012870 1 CASE ASSY, AIR FILTER
7 V103001500 1 GASKET, INTAKE
8 V805000160 2 BOLT, TORX 5×20
9 13001744331 1 INSULATOR, INTAKE
10 90050000005 2 NUT M5
11 V103001360 1 HEAT SHIELD, INTAKE
12 90152Y 1 TUNE-UP KIT - YOUCAN™
13 P021015981 1 GASKET KIT

Exhaust System

Exploded view diagram of the muffler assembly, including muffler body, heat shield, bolts, and gaskets.

NO. PART NUMBER QTY. DESCRIPTION
1 V805000190 2 BOLT, TORX 5×55
2 90060000005 2 WASHER, FLAT 5.5×10×0.8
3 P021007420 1 MUFFLER ASSY
4 V804000030 3 +BOLT, TORX 4×8
5 A313000580 1 +GUIDE, EXHAUST
6 14586642031 1 +GASKET, EXHAUST
7 14586240630 1 +SCREEN, SPARK ARRESTER
8 14580642030 1 +MUFFLER
9 V104000850 1 HEAT SHIELD, EXHAUST
10 A320000480 1 COVER, MUFFLER
11 V805000150 1 BOLT, TORX 5×16
12 V805000000 1 BOLT, TORX 5×16
13 P021015981 1 GASKET KIT

Ignition System

Diagram illustrating the ignition coil (1), spark plug lead (3), spark plug (7), and flywheel (9).

NO. PART NUMBER QTY. DESCRIPTION
1 A411000130 1 COIL, IGNITION
2 V804000070 2 BOLT, TORX 4×20
3 V485001120 1 LEAD - IGNITION L= 210
4 V475007200 1 TUBE, INSULATOR Ø8 L= 65
5 A426000010 1 TERMINAL, SPARK PLUG
6 A427000013 1 CAP, SPARK PLUG
7 15901019830 1 SPARK PLUG - BPM8Y
8 A425000000 1 SPARK PLUG - BPMR8Y
9 A409000210 1 FLYWHEEL
10 16201427230 1 LEAD - GROUND L= 115
11 15911621231 1 CLAMP
12 V805000130 1 BOLT, TORX 5×10
13 90152Y 1 TUNE-UP KIT - YOUCAN™

Starter Assembly

Exploded view of the recoil starter assembly, showing the pawl, spring, rope, and reel components.

NO. PART NUMBER QTY. DESCRIPTION
1 A052000180 1 PAWL ASSY, STARTER
2 P022002100 2 +E-RING 4
3 17723412220 2 +SPRING, RETURN
4 P022006850 2 +PAWL, STARTER
5 A051001312 1 STARTER ASSY, RECOIL
6 17723661830 1 +SCREW
7 P050009920 1 +REEL/CAM PLATE SET
8 A525000020 1 ++PLATE, CAM
9 P022008270 1 ++SPRING, TORSION
10 A506000500 1 ++REEL, ROPE
11 P022019990 1 +ROPE, STARTER
12 17722827030 1 +GRIP, STARTER
13 17724611120 1 +RETAINER, ROPE
14 P022019680 1 +SPRING, RECOIL
15 V804000060 4 BOLT, TORX 4×16

Fuel System

Diagram of the fuel system components, including fuel cap, tank, fuel lines, and filter.

NO. PART NUMBER QTY. DESCRIPTION
1 90127Y 1 FUEL SYSTEM KIT - YOUCAN™
2 A356000031 1 +VENT ASSY
3 V490001240 3 +CLIP Ø6
4 V471001210 1 +PIPE, FUEL 3×5×90 BLACK
5 V471003691 1 +PIPE, FUEL 3×5×74 BLACK
6 13201256030 1 +PIPE, FUEL 3×6×80 CLEAR
7 13211546730 1 +GROMMET, FUEL Ø5
8 V186000520 1 +CONNECTOR, PIPE Ø5ר3.5
9 V471003700 1 +PIPE, FUEL 3×5×130 BLACK
10 A369000480 1 +FILTER, FUEL
11 V107000150 1 +GASKET, FUEL CAP
12 P021040430 1 CAP ASSY, FUEL
13 V107000150 1 +GASKET, FUEL CAP
14 A365000060 1 +CONNECTOR, CAP L= 123
15 A350002270 1 TANK ASSY, FUEL
16 V353000231 3 +COLLAR 5
17 V805000160 3 BOLT, TORX 5×20
18 90152Y 1 TUNE-UP KIT - YOUCAN™

Fan Cover

Exploded view of the fan cover assembly, showing the cover, cushion, bolts, and clutch components.

NO. PART NUMBER QTY. DESCRIPTION
1 P021043640 1 HOLDER KIT
2 61091055230 1 CUSHION Ø25
3 V804000060 4 BOLT, TORX 4×16
4 P021015560 1 COVER ASSY, FAN
5 V622000020 2 +PIN, LOCATING 4
6 90070100012 1 +RING, SNAP 12
7 9405106001 2 +BEARING, BALL 6001
8 90070200028 1 +RING, SNAP 28
9 17500548931 1 +DRUM, CLUTCH
10 A056000230 1 CLUTCH ASSY

Main Pipe (Drive Shaft)

Diagram of the main pipe assembly, including labels and the flexible driveshaft.

NO. PART NUMBER QTY. DESCRIPTION
1 C050001090 1 MAIN PIPE ASSY
2 X505002500 1 +LABEL, CAUTION
3 X505001930 1 +LABEL, HANDLE LOCATION
4 C507000260 1 +LINER, FLEXIBLE 21.6×1420
5 61024644730 2 +STOPPER
6 C506000390 1 DRIVESHAFT - FLEXIBLE

Control Handle

Exploded view of the control handle assembly, showing the throttle trigger, cable, and associated hardware.

NO. PART NUMBER QTY. DESCRIPTION
1 P021044483 1 CONTROL HANDLE ASSY
2 P021044371 1 +CONTROL HANDLE KIT
3 V805000000 4 ++BOLT, TORX 5×16
4 P021044750 1 +CABLE ASSY, CONTROL
5 9154503010 1 ++SCREW 3×10
6 A444000020 1 ++KNOB, SWITCH - ORANGE
7 90051800006 1 ++NUT, FLANGE M6
8 90050200006 1 ++NUT M6
9 C453000482 1 +TRIGGER, THROTTLE
10 V452001520 1 +SPRING, TORSION
11 C460000441 1 +LEVER, THROTTLE LOCKOUT
12 V452001510 1 +SPRING, TORSION
13 V805000150 2 +BOLT, TORX 5×16
14 V495003020 2 +CLAMP

Handle - Support

Diagram of the support handle assembly with bolts.

NO. PART NUMBER QTY. DESCRIPTION
1 P021049580 1 HANDLE ASSY, SUPPORT
2 V805000050 2 +BOLT, TORX 5×30
3 C423001010 1 +BRACKET, HANDLE

Tools

Illustration of included tools: safety glasses, T-wrenches, and a tool bag.

NO. PART NUMBER QTY. DESCRIPTION
1 X690000080 1 GLASSES, SAFETY
2 X602000020 1 T-WRENCH 17×19 L200
3 X605000060 1 WRENCH, T27 80×30
4 X606000080 1 TOOL, LOCKING 5×120 MM
5 89851039130 1 BAG, TOOL

Gear Case

Exploded view of the gear case assembly, showing gears, bearings, snap rings, and shaft.

NO. PART NUMBER QTY. DESCRIPTION
1 P021015611 1 GEAR CASE ASSY
2 61043450031 1 +BOLT M8×8
3 V805000130 1 +BOLT, TORX 5×10
4 90060500005 1 +WASHER, SPRING 5
5 90060000005 1 +WASHER, FLAT 5.5×10×0.8
6 V805000170 2 +BOLT, TORX 5×25
7 61023904130 2 +D-WASHER
8 90085506900 1 +BEARING, BALL 6900
9 90085806900 1 +BEARING, BALL 6900Z
10 90070600010 1 +RING, SNAP Ø10
11 90070200022 1 +RING, SNAP Ø22
12 61030044830 1 +GEAR SET
13 C535000210 1 +PLATE, ADAPTOR - UPPER
14 90070200032 1 +RING, SNAP Ø32
15 V340000180 1 +WASHER
16 90081206201 1 +BEARING, BALL 6201
17 C534000270 1 +SHAFT, GEAR
18 90080000609 1 +BEARING, BALL 609

Debris Shield

Diagram of the debris shield kit, including the plastic shield, plate, cutter line, bolts, and nuts.

NO. PART NUMBER QTY. DESCRIPTION
1 P021047400 1 DEBRIS SHIELD KIT
2 C550000032 1 +SHIELD, DEBRIS PLASTIC
3 C552000240 1 +PLATE, SHIELD
4 V805000150 3 +BOLT, TORX 5×16
5 69901644330 1 +CUTTER, LINE
6 V835000010 2 +BOLT, TORX 5×12
7 90050000005 2 +NUT M5

Labels

Illustrations of various labels applied to the trimmer, including spark plug information, choke, caution, recoil starter, and model labels.

NO. PART NUMBER QTY. DESCRIPTION
1 X532000671 1 LABEL, SPARK PLUG - BPM8Y
2 X532004970 1 LABEL, SPARK PLUG - BPMR8Y
3 89033252730 1 LABEL, CHOKE
4 89012152730 1 LABEL, CHOKE
5 X505008220 1 LABEL, CAUTION - HOT
6 X502000330 1 LABEL, RECOIL STARTER
7 X547001300 1 LABEL, MODEL SRM-225
8 X547001530 1 LABEL, MODEL SRM-225i
9 X547001360 1 LABEL, MODEL SRM-225SB
10 X547001330 1 LABEL, MODEL SRM-225U

SPEED-FEED 400 Trimmer Head

Exploded view of the SPEED-FEED 400 trimmer head, showing the knob, housing, spool, eyelets, hub, bushing, and spool.

NO. PART NUMBER QTY. DESCRIPTION
1 99944200907 1 TRIMMER HEAD, SPEED-FEED 400
2 E415000180 1 +KNOB
3 X470000330 1 +HOUSING ASSY, SPOOL
4 X475000110 2 ++EYELET
5 X476000040 1 +HUB (LH) BLACK
6 V160000150 1 +BUSHING M10×1.25 LH GOLD
7 X473000130 1 +SPOOL
8 V494000840 1 +CAP, SPRING
9 V450001880 1 +SPRING, GOLD
10 X472000070 1 +COVER, SPOOL

Maintenance Kits

NO. PART NUMBER QTY. DESCRIPTION
1 P021015981 1 GASKET KIT
2 10024242030 1 +GASKET, CRANKCASE
3 V100000160 1 +GASKET, CYLINDER
4 V103001500 1 +GASKET, INTAKE
5 V103001360 1 +HEAT SHIELD, INTAKE
6 V104000850 2 +HEAT SHIELD, EXHAUST
7 V104001760 1 +GASKET, EXHAUST
8 90127Y 1 FUEL SYSTEM KIT - YOUCAN™
9 A356000031 1 +VENT ASSY
10 V490001240 3 +CLIP Ø6
11 V471001210 1 +PIPE, FUEL 3×5×90 BLACK
12 V471003691 1 +PIPE, FUEL 3×5×74 BLACK
13 13201256030 1 +PIPE, FUEL 3×6×80 CLEAR
14 13211546730 1 +GROMMET, FUEL Ø5
15 V186000520 1 +CONNECTOR, PIPE Ø5ר3.5
16 V471003700 1 +PIPE, FUEL 3×5×130 BLACK
17 A369000480 1 +FILTER, FUEL
18 V107000150 1 +GASKET, FUEL CAP
19 90152Y 1 TUNE-UP KIT - YOUCAN™
20 A369000480 1 +FILTER, FUEL
21 A226001410 1 +FILTER, AIR - DOUBLE LAYER
22 A425000000 1 +SPARK PLUG - BPMR8Y

Bulk Fuel Pipe

NO. PART NUMBER QTY. DESCRIPTION
1 90014 1 BULK PIPE - 3×5 MM BLACK (4 PIECES×2 M)
2 90015 1 BULK PIPE - 3×6 MM BLACK (4 PIECES×2 M)
3 90016 1 BULK PIPE - 3×7 MM BLACK (4 PIECES×2 M)
4 90017 1 BULK PIPE - 3×6 MM CLEAR (4 PIECES×2 M)
5 90018 1 BULK PIPE - 2×4 MM CLEAR (4 PIECES×2 M)

Bulk Starter Rope

NO. PART NUMBER QTY. DESCRIPTION
1 99944435000 1 BULK STARTER ROPE - Ø 2.3 MM×61 M
2 99944440000 1 BULK STARTER ROPE - Ø 3.0 MM×61 M
3 99944445000 1 BULK STARTER ROPE - Ø 3.5 MM×61 M
4 99944450000 1 BULK STARTER ROPE - Ø 4.0 MM×61 M
5 99944455000 1 BULK STARTER ROPE - Ø 4.4 MM×61 M
6 99944460000 1 BULK STARTER ROPE - Ø 4.8 MM×61 M
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