Name: Yamaha YFM400FW
Brand: Yamaha
Rating: 5 (1 reviews)

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Illustrated Symbols6
Contents7
Machine Identification8
General Information8
Vehicle Identification Number8
Frame Serial Number8
General Specifications9
Maintenance Specifications10
Exclusive Specifications13
Cable Routing15
Periodic Inspection and Adjustment20
Seat, Carriers, Fenders and Fuel Tank20
Electrical24
Battery Inspection24
Charging Method24
Charging Method Using a Variable-Current (Voltage) Type Charger28
Charging Method Using a Constant-Voltage Type Charger29
Charging Method Using a Constant Current Type Charger29
Antidote31
Fuse Inspection34
Headlight Beam Adjustment35
Headlight Bulb Replacement35
Index43
Lubrication Diagrams80
Periodic Maintenance/Lubrication87
Valve Clearance Adjustment93
Timing Chain Adjustment95
Idling Speed Adjustment96
Throttle Cable Free Play Adjustment97
Speed Limiter Adjustment99
Spark Plug Inspection100
Ignition Timing Check101
Compression Pressure Measurement102
Engine Oil/Transfer Gear Oil Level Inspection104
"Oil Temp" Indicator Light Check106
Engine Oil/Transfer Gear Oil Replacement106
Air Filter Cleaning116
Chassis117
Front Brake Adjustment117
Free Play Checking118
Brake Lever Free Play118
Rear Brake Lever and Pedal Adjustment120
Front Brake Fluid Level Inspection123
Air Bleeding (Front Brake System)124
Front Brake Lining Inspection125
Rear Brake Shoe Inspection127
Select Lever Control Cable Adjustment127
Final Gear Oil Level Inspection128
Final Gear Oil Replacement129
Differential Gear Oil Level Inspection130
Differential Gear Oil Replacement131
Constant Velocity Joint Dust Boot Inspection132
Steering System Inspection132
Toe-In Adjustment134
Front and Rear Shock Absorbers Inspection135
Front Shock Absorber Adjustment135
Rear Shock Absorber Adjustment136
Tires Inspection137
Tire Characteristics137
Tire Pressure137
Wheel Inspection139
Cable Inspection and Lubrication139
Transfer Gear Assembly and Front Drive Shaft151
Engine Removal152
Engine Disassembly153
Recoil Starter153
Piston156
Crankcase Cover (Left)156
CDI Rotor157
Cam Chain and Oil Pipe157
Crankcase Cover (Right)158
Balancer Drive and Driven Gears160
Oil Pump and Shifter162
Crankcase162
Transmission, Middle Drive Axle and Crankshaft163
Shift Fork and Shift Cam163
Reverse Axle and Balancer Weight164
High Wheel Gear164
Middle Drive Axle164
Camshaft, Rocker Arm and Valve165
Crankshaft165
Cylinder Head Inspection and Repair168
Valve Seat169
Valve Seat Refacing Steps170
Valve and Valve Guide172
Valve Spring173
Camshaft174
Rocker Arm and Rocker Arm Shaft175
Cam Chain Tensioner175
Tappet Cover and Side Cover176
Cylinder and Piston176
Piston Ring178
Piston Pin179
Balancer Drive Gear and Driven Gear181
Primary Gears181
Primary Clutch182
Secondary Clutch182
Clutch Housing182
Clutch Carrier182
Friction Plates183
Clutch Plates183
Clutch Spring183
Oil Pump184
Push Rod184
Shift Arm and Shift Guide184
Shifter185
Transmission186
Middle Gear187
Starter Clutch Operation188
Starter Pulley and Recoil Starter189
Balancer Drive Gear189
Oil Strainer, Oil Filter and Oil Pip[Es190
Engine Assembly and Adjustment191
Valve, Cam Shaft and Rocker Arm191
Crankshaft, Middle Drive Axle Transmission and Crank Case193
Crankshaft, Middle Drive Axle Transmission and Crankcase197
Shifter and Oil Pump200
Crankcase Cover (Right), Shift Guide and Oil Pipe212
CDI Rotor and Crankcase Cover214
Differential Gear and Constant Velocity Joints252
Transfer Gear277
Transfer Gear Removal278
Transfer Gear Disassembly278
Middle Driven Shaft280
Rear Axle/Rear Final Gear and Rear Drive Shaft297
Final Drive Gear and Drive Shaft298
Final Drive Gear and Drive Shaft Removal299
Final Drive Gear and Drive Shaft Disassembly301
Ring Gear Stopper Shim Selection310
Ring Gear Stopper Clearance Adjustment310
Final Gear Gear Lash Measurement and Adjustment311
Final Gear Lash Adjustment312
Front and Rear Wheels318
Front Wheel Removal319
Front Brake Drum Removal319
Rear Wheel Removal319
Rear Wheel Hub and Brake Drum320
Front Brake323
Rear Brake336
Rear Brake Removal337
Rear Brake Inspection338
Rear Brake Installation339
Steering System342
Steering System Removal343
Front Shock Absorber and Front Arms355
Rear Shock Absorber and Swingarm360
Rear Shock Absorber and Swingarm Removal361
YFM400FW Circuit Diagram369
Color Code370
Electrical Components371
Checking of Connections372
Ignition System Circuit Diagram373
Ignition System Troubleshooting374
Electrical Starting System378
Starting Circuit Operation379
Starter Motor Does Not Operate380
Starter Motor Removal387
Starter Motor Disassembly387
Starter Motor Inspection387
Charging System Circuit Diagram391
The Battery Is Not Charged392
Lighting System Circuit Diagram394
Headlight And/Or Taillight Do Not Come on395
Signal System Circuit Diagram399
"Neutral" Indicator Light Does Not Come on400
"Reverse" Indicator Light Does Not Come on400
"Oil Temp" Indicator Light Does Not Come on400
Signal System Check402
Cooling System Circuit Diagram407
Fan Motor Does Not Turn408
Starting Failure/Hard Starting412
Poor Idle Speed Performance413
Poor Medium and High Speed Performance413
Faulty Drive Train414
Faulty Gear Shifting415
Shift Pedal Does Not Move415
Jump-Out Gear415
Clutch Slipping/Dragging415
Overheating416
Faulty Brake416
Shock Absorber Malfunction416
Instable Handling417
Headlight Dark417
Bulb Burn out417
YFM400FW Wiring Diagram418

Brand	Yamaha
Model	YFM400FW
Category	Offroad Vehicle
Language	English

Yamaha YFM400FW User Manual

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Yamaha YFM400FW Specifications

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