2
Contents
1. INFORMATION..........................................................................................................................................5
1.1 SAFETY ............................................................................................................................................5
1.2 NOTES ..............................................................................................................................................5
1.3 SPECIFICATION ENGINE ..............................................................................................................6
1.4 SERIAL NUMBER ...........................................................................................................................7
1.5 TORQUE VALUES ...........................................................................................................................8
1.6 Special Tools ......................................................................................................................................9
2. MAINTENANCE ......................................................................................................................................10
2.1 MAINTENANCE DATA.................................................................................................................10
2.2 MAINTENANCE SCHEDULE ......................................................................................................11
2.3 FUEL TUBE ....................................................................................................................................11
2.4 THROTTLE OPERATION..............................................................................................................12
2.5 THROTTLE CABLE ADJUSTMENT............................................................................................12
2.6 AIR CLEANER ...............................................................................................................................12
2.7 SPARK PLUG .................................................................................................................................12
2.8 IDLE SPEED ...................................................................................................................................13
2.9 DRIVE CHAIN ...............................................................................................................................13
2.10 BRAKE SYSTEM .........................................................................................................................14
2.11 WHEELS AND TIRES ..................................................................................................................16
2.13 TOE-IN ..........................................................................................................................................16
3. ENGINE REMOVE AND INSTALLATION............................................................................................18
3.1 General Information.........................................................................................................................18
3.2 ENGINE REMOVAL ......................................................................................................................18
3.3 ENGINE INSTALLATION .............................................................................................................19
4-1 Mechanism Diagram .......................................................................................................................20
4-2 Precautions in Operation .................................................................................................................21
4-3 Troubleshooting...............................................................................................................................21
4-4 Engine Oil........................................................................................................................................22
4-5 Engine Oil Strainer Clean................................................................................................................22
4-6 Oil Pump ..........................................................................................................................................23
4-7 Gear Oil ...........................................................................................................................................23
5. FUEL SYSTEM.........................................................................................................................................24
5-1 Mechanism Diagram .......................................................................................................................24
5-2 Precautions in Operation .................................................................................................................25
5-3 Trouble Diagnosis ............................................................................................................................26
5-4 Carburetor Remove / Install ............................................................................................................27
5-5 Air Cut-Off Valve ............................................................................................................................28
5-6 Throttle Valve ..................................................................................................................................29
5-7 Float Chamber .................................................................................................................................30
5-8 Adjustment of Idle Speed ................................................................................................................32
5-9 Fuel Tank .........................................................................................................................................33
5-10 Air Cleaner ....................................................................................................................................34
6. CYLINDER HEAD/VALVE .....................................................................................................................35
6-1 Mechanism Diagram .......................................................................................................................35
6-2 Precautions in Operation .................................................................................................................36
Summary of Contents for ET-250
Page 1: ...1 ET 250...
Page 51: ...Use 32 cutter to cut a quarter upper parts out...
Page 54: ......
Page 60: ...7 1 Mechanism Diagram 0 8 1 2kgf m 1 0 1 4kgf m...
Page 67: ...7 7 Cylinder Installation Install dowel pins and new gasket Dowel pins...
Page 96: ...10 1 Mechanism Diagram 5 0 6 0kgf m 1 0 1 4kgf m 0 8 1 2kgf m...
Page 140: ...REAR BRAKE...
Page 158: ......
Page 159: ...17 8 WIRING DIAGRAM...