ECHO SRM-310U Brushcutter Parts Catalog
This catalog provides a detailed breakdown of parts for the ECHO SRM-310U Brushcutter.
Optional Attachments & Accessories
| Accessories |
| U-Handle Kit |
| SRM Shoulder Harness Kit |
| 20mm Blade Conversion Kit |
| Universal Blade Conversion Kit |
| U-Handle Blade Conversion Combo Kit |
| Barrier Bar |
| U-Handle Blade Conversion Combo Kit |
| U-Handle Kit |
| Tiller/Cultivator Attachment |
Cutting Blades
| Cutting Blades |
| 8" 80 Tooth Brush Blade |
| 8" 8-Tooth Blade - 20mm Arbor |
| 8" Blade Protector |
| Tri-Cut Blade with Glide Cup - 20mm Arbor |
| 3 Cutter Metal Blade - 20mm Arbor |
| 22 Tooth Clearing Saw Blade - 20mm Arbor |
Cutting Heads
| Cutting Heads |
| Pro Maxi-Cut Head |
| SRM ECHOmatic Pro Head |
| Semi-Auto Head Assembly |
| 2-Line Rapid Loader Head - Echo |
| SRM Manual Dual Line Head |
| Heavy Duty Fixed Line Head |
| 3-Line Rapid Loader Head - Echo |
| SRM ECHOmatic II Head |
| U-Turn Head |
Intake System
Diagram and parts list for the Intake system.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | 13040652131 | 1 | KNOB, FASTENER | |
| 2 | 13031357731 | 1 | LID, AIR CLEANER | |
| 3 | 13031051830 | 1 | FILTER, AIR | |
| 4 | 90050200006 | 2 | NUT 6 | |
| 5 | 90024205060 | 2 | SCREW 5X60 | |
| 6 | 12901157731 | 1 | PLATE, PREVENT | |
| 7 | P021001430 | 1 | CASE, AIR CLEANER | |
| 8 | | 1 | CARBURETOR | See Carburetor Diagram For Additional Information |
| 9 | 13001013410 | 1 | GASKET, INTAKE | |
| 10 | 90016205025 | 2 | SCREW 5X25 | |
| 11 | 13001756431 | 1 | INSULATOR | |
| 12 | 13001055930 | 1 | GASKET, INTAKE | |
Footnotes:
1: Also Included In REPOWER TUNE-UP KIT
2: Also Included In GASKET KIT
Carburetor - WYJ-275
Diagram and parts list for the Carburetor - WYJ-275.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| A021000320 | 1 | CARBURETOR - WYJ-275 | |
| 1 | P003000180 | 1 | THROTTLE VALVE ASY | |
| 2 | | 1 | BRACKET, CABLE | |
| 3 | 12311440630 | 2 | SCREW, CABLE BRACKET | |
| 4 | 12313440030 | 1 | SCREW, IDLE ADJUST | |
| 5 | 12317245130 | 1 | SWIVEL | |
| 6 | 12314954230 | 1 | WASHER | |
| 7 | 12317307930 | 1 | CLIP | |
| 8 | | 1 | BODY, CARBURETOR | |
| 9 | 12318305960 | 1 | O-RING | |
| 10 | P003000260 | 1 | JET | |
| 11 | 12317905560 | 1 | PUMP BODY ASY | INCLUDES ITEMS 12-17 |
| 12 | | 1 | SCREEN, INLET | |
| 13 | 12312205560 | 1 | SPRING, METERING LEVER | |
| 14 | | 1 | VALVE, INLET NEEDLE | |
| 15 | 12313803930 | 1 | LEVER, METERING | |
| 16 | 12313905560 | 1 | PIN, METERING LEVER | |
| 17 | 12318005560 | 1 | SCREW, METERING LEVER PIN | |
| 18 | 12318005560 | 1 | BODY, AIR PURGE | |
| 19 | 12318140630 | 1 | BULB, PURGE | |
| 20 | 12314205560 | 1 | COVER, PURGE PUMP | |
| 21 | 12311005560 | 4 | SCREW, PURGE COVER | |
| 22 | P003000190 | 1 | REPAIR KIT | INCLUDES ITEMS 23-30 |
| 23 | | 1 | PACKING, RING | |
| 24 | | 1 | GASKET, PUMP | |
| 25 | | 1 | DIAPHRAGM, PUMP | |
| 26 | | 1 | SCREEN, INLET | |
| 27 | | 1 | VALVE, INLET NEEDLE | |
| 28 | | 1 | LEVER, METERING | |
| 29 | | 1 | GASKET, METERING DIAPHRAGM | |
| 30 | | 1 | METERING, DIAPHRAGM | |
| 31 | P003000200 | 1 | GASKET/DIAPHRAGM KIT | INCLUDES ITEMS 32-36 |
| 32 | | 1 | PACKING, RING | |
| 33 | | 1 | GASKET, PUMP | |
| 34 | | 1 | DIAPHRAGM, PUMP | |
| 35 | | 1 | GASKET, METERING DIAPHRAGM | |
| 36 | | 1 | METERING, DIAPHRAGM | |
Footnotes:
1: NOT AVAILABLE SEPARATELY
Exhaust System
Diagram and parts list for the Exhaust system.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | 90010605014 | 3 | SCREW 5X14 | |
| 2 | A320000100 | 1 | COVER, MUFFLER | |
| 3 | 9136704012 | 3 | SCREW 4X12 | |
| 4 | A313000330 | 1 | GUIDE, EXHAUST | |
| 5 | V104000340 | 1 | GASKET, EXHAUST | |
| 6 | V104000520 | 1 | GASKET, EXHAUST | |
| 7 | 14586240630 | 1 | SCREEN, MUFFLER | |
| 8 | 90010505060 | 2 | SCREW 5X60 | |
| 9 | 90060000005 | 2 | WASHER 5 | |
| 10 | 90024204010 | 1 | SCREW 5X14 | |
| 11 | A300000270 | 1 | MUFFLER | |
| 12 | V104000270 | 1 | SHIELD, MUFFLER | |
Footnotes:
1: Also Included In GASKET KIT
Starter System
Diagram and parts list for the Starter system.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | A051000160 | 1 | STARTER, RECOIL | INCLUDES ITEMS 3-9 |
| 2 | 90016204014 | 4 | SCREW 4X14 | |
| 3 | 17722811120 | 1 | GRIP, STARTER | |
| 4 | 17722742030 | 1 | GUIDE, ROPE | |
| 5 | 17723640630 | 1 | SCREW | |
| 6 | 17721441030 | 1 | WASHER | |
| 7 | 17722601110 | 1 | ROPE, STARTER - 4X950mm | REPOWER BULK OPTION: 99944450000 |
| 8 | 17721543130 | 1 | DRUM, STARTER | |
| 9 | 17722040630 | 1 | SPRING, REWIND | |
| 10 | 90050200008 | 1 | NUT 8 | |
| 11 | 17720241030 | 1 | STARTER PAWL ASY | INCLUDES ITEMS 12-14 |
| 12 | 90070000004 | 1 | E-RING 4 | |
| 13 | 17723440630 | 1 | SPRING, RETURN | |
| 14 | 17721840630 | 1 | PAWL, STARTER | |
Fuel System
Diagram and parts list for the Fuel System.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | 13100455530 | 1 | CAP ASY | INCLUDES ITEMS 2-3 |
| 2 | 13105156030 | 1 | CONNECTOR, CAP | |
| 3 | 13101655830 | 1 | GASKET, CAP | |
| 4 | 90016205020 | 2 | SCREW 5X20 | |
| 5 | 90016205012 | 2 | SCREW 5X12 | |
| 6 | 30511055830 | 1 | STAND | |
| 7 | 13191055430 | 1 | BRACKET, FUEL TANK | |
| 8 | 13192055430 | 4 | CUSHION, FUEL TANK | |
| 9 | A350000171 | 1 | TANK, FUEL | |
| 10 | V137000030 | 1 | GROMMET | |
| 11 | 13201309820 | 1 | CLIP | |
| 12 | 13120507320 | 1 | FILTER, FUEL | |
| 13 | V471001190 | 1 | PIPE, FUEL - 3X5X180mm | REPOWER BULK OPTION: 90014 |
| 14 | 13271750430 | 1 | PIPE, RETURN - 3X6X70mm | REPOWER BULK OPTION: 90017 |
| 15 | 13011100530 | 1 | CLIP | |
| 16 | A356000030 | 1 | VENT ASY | |
| 17 | V471000600 | 1 | PIPE, VENT - 3X5X120mm | REPOWER BULK OPTION: 90014 |
Footnotes:
1: Also Included In REPOWER FUEL SYSTEM KIT
2: Also Included In REPOWER FUEL SYSTEM KIT & TUNE-UP KIT
Engine Cover, Fan Case, Clutch
Diagram and parts list for the Engine Cover, Fan Case, and Clutch.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | 90016205012 | 1 | SCREW 5X12 | |
| 2 | 61090355430 | 1 | HOLDER KIT | INCLUDES ITEM 3 |
| 3 | 90016205025 | 2 | SCREW 5X25 | |
| 4 | 61091055730 | 1 | CUSHION | |
| 5 | 90010605014 | 3 | SCREW 5X14 | |
| 6 | A320000100 | 1 | COVER, MUFFLER | |
| 7 | 90010605012 | 1 | SCREW 5X12 | |
| 8 | V353000020 | 1 | COLLAR 5 | |
| 9 | 90023804014 | 2 | SCREW 4X14 | |
| 10 | A162000030 | 1 | GUARD, TOP | |
| 11 | 90010605012 | 1 | SCREW 5X12 | |
| 12 | A160000370 | 1 | COVER, ENGINE - GRAY | |
| 13 | 90016205020 | 2 | SCREW 5X20 | |
| 14 | 90016205012 | 2 | SCREW 5X12 | |
| 15 | 30511055830 | 1 | STAND | |
| 16 | 13191055430 | 1 | BRACKET, FUEL TANK | |
| 17 | 13192055430 | 4 | CUSHION, FUEL TANK | |
| 18 | 90016205020 | 4 | SCREW 5X20 | |
| 19 | A172000210 | 1 | COVER, FAN | |
| 20 | 90070100012 | 1 | CIRCLIP 12 | |
| 21 | 90080796001 | 2 | BEARING, BALL - 6001 | |
| 22 | 90070200028 | 1 | CIRCLIP 28 | |
| 23 | 17500555730 | 1 | DRUM, CLUTCH | |
| 24 | 17504646430 | 2 | BOLT, CLUTCH | |
| 25 | 17504805530 | 2 | WASHER | |
| 26 | 17501827932 | 1 | SPRING, CLUTCH | |
| 27 | 17500946431 | 2 | SHOE, CLUTCH | |
Ignition System
Diagram and parts list for the Ignition system.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | 16201055630 | 1 | LEAD, IGNITION | |
| 2 | 90016205020 | 2 | SCREW 5X20 | |
| 3 | 15262655730 | 1 | COIL, IGNITION | |
| 4 | 15611240630 | 1 | GROMMET | |
| 5 | 15901203433 | 1 | CAP, SPARK PLUG | |
| 6 | 15901103432 | 1 | TERMINAL, SPARK PLUG CAP | |
| 7 | 15901019830 | 1 | SPARK PLUG - BPM-8Y | |
| 8 | A425000000 | 1 | SPARK PLUG - BPMR-8Y | CANADA MODELS |
| 9 | 90023805010 | 1 | SCREW 5X10 | |
| 10 | 16201452930 | 1 | LEAD, GROUND | |
| 11 | 90050200008 | 1 | NUT 8 | |
| 12 | 90060500008 | 1 | SPRING WASHER 8 | |
| 13 | 90060000008 | 1 | WASHER 8 | |
| 14 | 15280155430 | 1 | FLYWHEEL | |
| 15 | 10014212330 | 1 | WOODRUFF KEY | |
Footnotes:
1: Also Included In REPOWER TUNE-UP KIT
Engine, Short Block - SB1064
Diagram and parts list for the Engine, Short Block - SB1064.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | SB1064 | 1 | SHORT BLOCK | INCLUDES ITEMS 2-20 |
| 2 | 90016205020 | 4 | SCREW 5X20 | |
| 3 | A130000260 | 1 | CYLINDER | |
| 4 | 10101055430 | 1 | GASKET, CYLINDER | |
| 5 | P021003080 | 1 | PISTON KIT | INCLUDES ITEMS 6-10 |
| 6 | 10001116131 | 2 | RING, PISTON | |
| 7 | 10001327430 | 1 | PIN, PISTON | |
| 8 | 10001503931 | 2 | CIRCLIP, PISTON PIN | |
| 9 | 10001453630 | 2 | SPACER, PISTON PIN | |
| 10 | 10001216131 | 1 | BEARING, NEEDLE | |
| 11 | 10010055430 | 1 | CRANKSHAFT ASY | |
| 12 | 10020455430 | 1 | CRANKCASE KIT | INCLUDES ITEMS 13-17 |
| 13 | 10021305530 | 2 | OIL SEAL | |
| 14 | 10021503930 | 4 | DOWEL PIN | |
| 15 | 9403536201 | 2 | BEARING, BALL - 6201 | |
| 16 | 10024255430 | 1 | GASKET, CRANKCASE | |
| 17 | 90016205030 | 4 | SCREW 5X30 | |
| 18 | | 1 | SHIELD, EXHAUST | See Pages EXHAUST |
| 19 | | 1 | GASKET, INTAKE | See Pages INTAKE |
| 20 | | 2 | GASKET, INTAKE | See Pages INTAKE |
Footnotes:
1: Also Included In GASKET KIT
2: See Pages EXHAUST
3: See Pages INTAKE
Plastic Shield
Diagram and parts list for the Plastic Shield.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | P021001392 | 1 | SHIELD KIT - PLASTIC | INCLUDES ITEMS 2-7 |
| 2 | C550000031 | 1 | SHIELD - PLASTIC | |
| 3 | 90023805020 | 3 | SCREW 5X20 | |
| 4 | C552000110 | 1 | PLATE, SHIELD | |
| 5 | 69901644330 | 1 | CUTTER, LINE | |
| 6 | 90023805016 | 2 | SCREW 5X16 | |
| 7 | 90050000005 | 2 | NUT 5 | |
Metal Shield
Diagram and parts list for the Metal Shield.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | 69900023432 | 1 | SHIELD KIT - METAL | INCLUDES ITEMS 2-7 |
| 2 | 90050000005 | 2 | NUT 5 | |
| 3 | 90060500005 | 2 | LOCKWASHER | |
| 4 | 69901523431 | 1 | BRACKET, SHIELD | |
| 5 | 90022005008 | 2 | SCREW 5X8 | |
| 6 | 90024205010 | 3 | SCREW 5X10 | |
| 7 | C550000200 | 1 | SHIELD, BLADE - METAL | |
| 8 | 89016841031 | 1 | LABEL, CAUTION | |
| 9 | X502000320 | 1 | LABEL, ECHO | |
Gear Case
Diagram and parts list for the Gear Case.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | 61040240932 | 1 | GEAR HOUSING ASY | INCLUDES ITEMS 2-24 |
| 2 | 61046027431 | 1 | CASE, GEAR | |
| 3 | V805000060 | 2 | SCREW 5X35 | |
| 4 | 61023904130 | 2 | WASHER, SHIM | |
| 5 | V805000130 | 1 | SCREW 5X10 | |
| 6 | 90060500005 | 1 | LOCKWASHER | |
| 7 | 90060000005 | 1 | WASHER | |
| 8 | 90070200022 | 1 | CIRCLIP 22 | |
| 9 | 90070600010 | 1 | CIRCLIP 10 | |
| 10 | 90085806900 | 1 | BEARING, BALL - 6900 | |
| 11 | 90085506900 | 1 | BEARING, BALL - 6900 | |
| 12 | 61030044830 | 1 | BEVEL GEAR SET | |
| 13 | 61043450031 | 1 | BOLT 8X8 | |
| 14 | 90030020022 | 1 | SPLIT PIN 2X22 | |
| 15 | 90051100010 | 1 | NUT 10 - LEFT HANDED | BULK OPTION: 89850201130 -10 PER PACKAGE |
| 16 | C535000150 | 1 | PLATE, ADAPTER - LOWER | |
| 17 | C535000160 | 1 | PLATE, ADAPTER - UPPER | |
| 18 | 61041307130 | 1 | OIL SEAL | |
| 19 | 61031507130 | 1 | SPACER | |
| 20 | 90070200032 | 1 | CIRCLIP 32 | |
| 21 | 9403536201 | 1 | BEARING, BALL - 6201 | |
| 22 | 61036008931 | 1 | SHAFT, GEAR | |
| 23 | 90080000609 | 1 | BEARING, BALL - 609 | |
| 24 | 90070600012 | 1 | CIRCLIP 12 | |
Main Pipe Assembly, Flexible Driveshaft
Diagram and parts list for the Main Pipe Assembly and Flexible Driveshaft.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | 61001344730 | 1 | DRIVESHAFT - FLEXIBLE | |
| 2 | 61020655730 | 1 | MAIN PIPE ASY | INCLUDES ITEMS 3-4 |
| 3 | 61024644730 | 2 | STOPPER | |
| 4 | 61021744730 | 1 | LINER, FLEXIBLE | |
| 5 | 89022809560 | 1 | LABEL - CAUTION - SPANISH | |
| 6 | 89016054130 | 1 | LABEL - CAUTION | |
| 7 | 89031749030 | 1 | LABEL, CAUTION - CANADA | |
| 8 | 89015204930 | 1 | LABEL - PIPE LOCATION | |
Shoulder Harness
Diagram and parts list for the Shoulder Harness.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | C062000070 | 1 | HARNESS, SHOULDER | |
| 2 | C062000060 | 1 | HARNESS, SHOULDER | CANADA MODELS |
| 3 | C652000000 | 1 | CUSHION | |
| 4 | C646000060 | 1 | HARNESS HANGER KIT | INCLUDES ITEMS 5-7 |
| 5 | 30101505330 | 1 | RING | |
| 6 | 30120521330 | 1 | CLAMP | |
| 7 | 90010005012 | 1 | BOLT 5X12 | |
Handles, Throttle Cable
Diagram and parts list for the Handles and Throttle Cable.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | 90050200006 | 2 | NUT 6 | |
| 2 | 22492452131 | 2 | CLIP | |
| 3 | 35130152130 | 1 | HANDLE BRACKET ASY | INCLUDES ITEMS 4-8 |
| 4 | 35142152130 | 1 | BOLT | |
| 5 | 60501454230 | 1 | WASHER | |
| 6 | 90056550008 | 1 | NUT | |
| 7 | 90016205020 | 2 | SCREW 5X20 | |
| 8 | 90016205030 | 3 | SCREW 5X30 | |
| 9 | C400000000 | 1 | HANDLE, FRONT | |
| 10 | 35131102330 | 1 | GRIP, HANDLE | |
| 11 | 35110247530 | 1 | THROTTLE CONTROL ASY | INCLUDES ITEMS 12-14 |
| 12 | 90024603025 | 4 | SCREW 3X25 | |
| 13 | 90022005030 | 1 | SCREW 5X30 | |
| 14 | 90050000005 | 1 | NUT 5 | |
| 15 | V430000160 | 1 | CABLE, THROTTLE | |
| 16 | A440000310 | 1 | IGNITION SWITCH ASY | INCLUDES ITEMS 17-19 |
| 17 | 9154503010 | 1 | SCREW 3X10 | |
| 18 | 16341049231 | 1 | KNOB, SWITCH - ORANGE | |
| 19 | 89015712330 | 1 | COVER, SWITCH - STOP | |
| 20 | 17801005960 | 1 | TRIGGER, THROTTLE | |
| 21 | 17801335631 | 1 | SPRING, THROTTLE LOCK | |
| 22 | 17801205960 | 1 | LOCKOUT, THROTTLE | |
| 23 | 15911209961 | 1 | CLIP | |
| 24 | V475000000 | 1 | COVER - CORRUGATED | |
Gasket Kit - P021003243
Details of the Gasket Kit P021003243.
| Use Gasket Kit | Contains: | Service Number | Description |
| P021003243 | | 10024255430 | GASKET, CRANKCASE |
| | 10101055430 | GASKET, CYLINDER |
| | 13001013410 | GASKET, INTAKE |
| | 13001055930 | GASKET, INTAKE |
| | V103000060 | GASKET, INTAKE |
| | V104000270 | SHIELD, EXHAUST |
| | V104000340 | GASKET, EXHAUST |
| | V104000460 | GASKET, EXHAUST |
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | P021003243 | 1 | GASKET KIT | |
Labels
Diagram and parts list for the Labels.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | X505002310 | 1 | LABEL - CAUTION - HOT | |
| 2 | 89011849330 | 1 | LABEL - ECHO | |
| 3 | 89033252730 | 1 | LABEL - CHOKE | |
| 4 | X503002810 | 1 | LABEL - MODEL - SRM-310 | |
| 5 | X503002820 | 1 | LABEL - MODEL - SRM-3110S | |
| 6 | X503002830 | 1 | LABEL - MODEL - SRM-310U | |
| 7 | X503002660 | 1 | LABEL - MODEL - SRM-311 | |
| 8 | X503002670 | 1 | LABEL - MODEL - SRM-311S | |
| 9 | X503002680 | 1 | LABEL - MODEL - SRM-311U | |
Tools
List of tools included with the brushcutter.
| ITEM | PART NUMBER | QTY | DESCRIPTION | REMARKS |
| 1 | 89541010630 | 1 | SOCKET WRENCH/SCREWDRIVER | 17X19mm |
| 2 | X602000020 | 1 | SOCKET WRENCH/SCREWDRIVER | 17X19mm |
| 3 | 89541039131 | 1 | SOCKET WRENCH/SCREWDRIVER | 10X19mm |
| 4 | 89541006960 | 1 | SOCKET WRENCH/SCREWDRIVER | 13X19mm |
| 5 | X602000031 | 1 | SOCKET WRENCH | 17X14.5mm |
| 6 | 89751801131 | 1 | LOCKING ROD | 5X120mm |
| 7 | 89511200330 | 1 | OPEN END WRENCH | 8X10mm |
| 8 | 89512220960 | 1 | OPEN END WRENCH | 17X19mm |
| 9 | 89501505260 | 1 | OPEN END WRENCH | 10mm |
| 10 | 89541220960 | 1 | HEX BAR | 10mm |
| 11 | 89561203430 | 1 | HEX KEY | 3mm |
| 12 | 89561000130 | 1 | HEX KEY | 4mm |
| 13 | 89561100330 | 1 | HEX KEY | 5mm |
| 14 | X605000060 | 1 | TORX KEY | T27 |
| 15 | 89581100130 | 1 | SCREWDRIVER | 125mm SLOT HEAD |
| 16 | 89581203930 | 1 | SCREWDRIVER | 50mm CROSS HEAD |
| 17 | 89757005560 | 1 | CHUCK KEY | |
Consult Your Operators Manual For The Tools Used With Your Model
