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WR450FB 2012
Yamaha WR450FB 2012 Manuals
Manuals and User Guides for Yamaha WR450FB 2012. We have
2
Yamaha WR450FB 2012 manuals available for free PDF download: Owner's Service Manual
Yamaha WR450FB 2012 Owner's Service Manual (392 pages)
Brand:
Yamaha
| Category:
Motorcycle
| Size: 25.99 MB
Table of Contents
Table of Contents
9
General Information
11
Location of Important Labels
13
Description
15
Consumer Information
16
Vehicle Identification Number
16
Engine Serial Number
16
Model Label
16
Vehicle Emission Control Information Label
16
Features
17
Outline of the Fi System
17
Fi System
18
Included Parts
19
Valve Joint
19
Spark Plug Wrench
19
Nipple Wrench
19
Handlebar Protector
19
Hook (Fuel Tank)
19
Fuel Hose Joint Cover
19
Coupler for Connecting Optional Part
20
Important Information
20
Preparation for Removal and Disassembly
20
Replacement Parts
20
Gaskets, Oil Seals and O-Rings
21
Lock Washers/Plates and Cotter Pins
21
Bearings and Oil Seals
21
Circlips
21
Basic Service Information
23
Electrical System
23
Special Tools
29
Control Functions
32
Main Switch
32
Indicator Lights and Warning Lights
32
Engine Stop Switch
32
Start Switch
33
Clutch Lever
33
Shift Pedal
33
Kickstarter Crank
33
Throttle Grip
33
Front Brake Lever
33
Rear Brake Pedal
34
Sidestand
34
Starter Knob/Idle Adjusting Screw
34
Multi-Function Display
34
Description
34
Basic Mode
35
Changeover to Basic Mode/Race Mode
36
Race Mode
37
Function Diafram
41
Starting and Break-In
42
Fuel
42
Handling Note
43
Air Filter Maintenance
43
Starting a Cold Engine
43
Starting a Warm Engine
43
Break-In Procedures
44
Torque-Check Points
45
Motorcycle Care and Storage
46
Care
46
Storage
47
Specifications
49
General Specifications
50
Engine Specifications
51
Chassis Specifications
57
Electrical Specifications
60
Tightening Torques
62
General Tightening Torque Specifications
62
Engine Tightening Torques
63
Chassis Tightening Torques
66
Lubrication Points and Lubricant Types
70
Engine
70
Chassis
72
Lubrication System Chart and Diagrams
74
Lubrication Diagrams
74
Cable Routing
78
Periodic Checks and Adjustments
91
Periodic Maintenance
92
Introduction
92
Periodic Maintenance Chart for the Emission Control System
92
General Maintenance and Lubrication Chart
92
Maintenance Intervals for Competition Use
94
Checking the Fuel Line
97
Checking the Spark Plug
97
Adjusting the Valve Clearance
98
Cleaning the Air Filter Element
100
Checking the Breather Hoses
101
Adjusting the Engine Idling Speed
102
Checking the Exhaust System
103
Checking the Engine Oil Level
103
Changing the Engine Oil
104
Adjusting the Clutch Lever Free Play
106
Checking the Coolant Level
106
Checking the Cooling System
107
Changing the Coolant
107
Cleaning the Spark Arrester
108
Checking the Brake Fluid Level
108
Adjusting the Front Disc Brake
109
Checking the Front Brake Pads
109
Adjusting the Rear Disc Brake
110
Checking the Rear Brake Pads
110
Checking the Rear Brake Pad Insulator
110
Bleeding the Hydraulic Brake System
111
Checking the Front Brake Hose
112
Checking the Rear Brake Hose
112
Checking the Wheels
112
Checking and Tightening the Spokes
112
Checking the Tires
113
Checking the Wheel Bearings
114
Checking the Swingarm Operation
114
Adjusting the Drive Chain Slack
114
Lubricating the Drive Chain
115
Checking and Adjusting the Steering Head
115
Lubricating the Levers
116
Lubricating the Pedal
116
Lubricating the Sidestand
116
Checking the Front Fork
116
Adjusting the Front Fork Legs
116
Air Bleeding from Front Fork
117
Checking the Rear Suspension
118
Adjusting the Rear Shock Absorber Assembly
118
Checking the Connecting Arm and Relay Arm
120
Checking and Lubricating the Cables
120
Adjusting the Throttle Grip Free Play
120
Checking the Chassis Fasteners
121
Checking and Charging the Battery
121
Tuning
123
Chassis
124
Selection of the Secondary Reduction Ratio (Sprocket)
124
Drive and Rear Wheel Sprockets Setting Parts
124
Tire Pressure
124
Front Fork Setting
125
Change in Amount and Characteristics of Fork Oil
125
Setting of Spring after Replacement
125
Front Fork Setting Parts
126
Rear Suspension Setting
126
Choosing Set Length
126
Setting of Spring after Replacement
127
Rear Shock Absorber Setting Parts
128
Suspension Setting (Front Fork)
129
Suspension Setting (Rear Shock Absorber)
131
General Chassis
138
Removing the Side Cover
138
Front Wheel
140
Removing the Front Wheel
140
Checking the Front Wheel
140
Disassembling the Front Wheel
141
Assembling the Front Wheel
141
Installing the Front Wheel (Disc)
142
Rear Wheel
145
Removing the Rear Wheel
145
Checking the Rear Wheel
145
Disassembling the Rear Wheel
145
Checking and Replacing the Rear Wheel Sprocket
145
Assembling the Rear Wheel
146
Installing the Rear Wheel (Disc)
147
Front Brake
151
Introduction
154
Checking the Front Brake Disc
154
Replacing the Front Brake Pads
155
Removing the Front Brake Caliper
156
Disassembling the Front Brake Caliper
156
Checking the Front Brake Caliper
156
Assembling the Front Brake Caliper
157
Installing the Front Brake Caliper
157
Removing the Front Brake Master Cylinder
158
Checking the Front Brake Master Cylinder
158
Assembling the Front Brake Master Cylinder
158
Installing the Front Brake Master Cylinder
159
Rear Brake
163
Introduction
166
Checking the Rear Brake Disc
166
Replacing the Rear Brake Pads
166
Removing the Rear Brake Caliper
167
Disassembling the Rear Brake Caliper
167
Checking the Rear Brake Caliper
168
Assembling the Rear Brake Caliper
168
Installing the Rear Brake Caliper
168
Removing the Rear Brake Master Cylinder
169
Checking the Rear Brake Master Cylinder
170
Assembling the Rear Brake Master Cylinder
170
Installing the Rear Brake Master Cylinder
170
Handlebar
173
Removing the Handlebar
173
Checking the Handlebar
173
Installing the Handlebar
173
Front Fork
181
Removing the Front Fork Legs
181
Disassembling the Front Fork Legs
181
Checking the Front Fork Legs
182
Assembling the Front Fork Legs
183
Installing the Front Fork Legs
189
Steering Head
193
Removing the Lower Bracket
193
Checking the Steering Head
193
Installing the Steering Head
193
Rear Shock Absorber Assembly
198
Handling the Rear Shock Absorber
198
Disposing of a Rear Shock Absorber
198
Removing the Rear Shock Absorber Assembly
198
Checking the Rear Shock Absorber Assembly
198
Checking the Connecting Arm and Relay Arm
199
Installing the Relay Arm
199
Installing the Rear Shock Absorber Assembly
199
Swingarm
201
Removing the Swingarm
203
Checking the Swingarm
203
Installing the Swingarm
204
Chain Drive
205
Removing the Drive Chain
206
Checking the Drive Chain
206
Checking the Drive Sprocket
207
Checking the Rear Wheel Sprocket
207
Installing the Drive Chain
207
Engine
209
Engine Removal
213
Removing the Engine
215
Cleaning the Spark Arrester
215
Installing the Engine
216
Installing the Exhaust Pipe and Muffler
216
Installing the Shift Pedal
217
Camshaft
218
Removing the Camshaft
219
Checking the Camshaft
220
Checking the Timing Chain and Camshaft Sprocket
222
Checking the Timing Chain Tensioners
222
Checking the Decompression System
223
Installing the Camshafts
223
Cylinder Head
225
Removing the Cylinder Head
226
Checking the Timing Chain Guide (Exhaust Side)
226
Checking the Cylinder Head
226
Installing the Cylinder Head
227
Valves and Valve Springs
230
Removing the Valves
230
Checking the Valves and Valve Guides
231
Checking the Valve Seats
232
Checking the Valve Springs
234
Checking the Valve Lifters
235
Installing the Valves
235
Cylinder and Piston
237
Removing the Piston
238
Checking the Cylinder and Piston
238
Checking the Piston Rings
239
Checking the Piston Pin
240
Installing the Piston and Cylinder
240
Electric Starter
242
Checking the Starter Motor
244
Assembling the Starter Motor
245
Clutch
249
Removing the Clutch
250
Checking the Friction Plates
250
Checking the Clutch Plates
250
Checking the Clutch Springs
250
Checking the Clutch Housing
251
Checking the Clutch Boss
251
Checking the Pressure Plate
251
Checking the Clutch Push Rods
251
Checking the Primary Drive Gear
252
Checking the Primary Driven Gear
252
Installing the Clutch
252
Kickstater
256
Removing the Kick Shaft Assembly
256
Checking the Kick Shaft and Ratchet Wheel
256
Checking the Kick Gear, Kick Idle Gear and Ratchet Wheel
256
Installing the Kick Shaft Assembly
256
Installing the Kick Idle Gear
257
Shift Shaft
258
Removing the Segment
260
Checking the Shift Shaft
260
Checking the Stopper Lever
260
Installing the Segment
260
Installing the Stopper Lever
260
Installing the Shift Guide and Shift Lever Assembly
261
Installing the Shift Shaft
261
Oil Pump and Balancer Gear
262
Removing the Balancer
265
Checking the Oil Pump
265
Assembling the Oil Pump
266
Installing the Oil Pump and Balancer Gear
266
Generator and Starter Clutch
268
Removing the Generator
270
Checking the Starter Clutch
270
Installing the Starter Clutch
271
Installing the Generator
271
Crankcase
274
Disassembling the Crankcase
276
Checking the Timing Chain, Timing Chain Guide, Oil Strainer
276
Checking the Crankcase
276
Assembling the Crankcase
277
Crankshaft Assembly and Balancer Shaft
278
Removing the Balancer Shaft
279
Removing the Crankshaft Assembly
279
Checking the Crankshaft Assembly
279
Installing the Crankshaft Assembly
280
Cooling System
288
Radiator
288
Handling Note
288
Checking the Radiator
288
Installing the Radiator
288
Water Pump
290
Checking the Water Pump
291
Assembling the Water Pump
291
Fuel System
293
Fuel Tank
294
Removing the Fuel Tank
296
Removing the Fuel Pump
296
Checking the Fuel Pump Body
296
Installing the Fuel Pump
296
Removing the Fuel Sender
297
Checking the Fuel Sender
297
Installing the Fuel Sender
297
Installing the Fuel Tank
298
Checking the Fuel Pressure
298
Throttle Body
299
Removing the Throttle Body
301
Checking the Injector
301
Checking the Throttle Body
301
Checking the Throttle Body Joint
302
Adjusting the Throttle Position Sensor
302
Electrical System
303
Ignition System
306
Circuit Diagram
306
Troubleshooting
308
Electric Starting System
310
Circuit Diagram
310
Starting Circuit Cut-Off System Operation
312
Troubleshooting
314
Charging System
316
Circuit Diagram
316
Troubleshooting
318
Lighting System
320
Circuit Diagram
320
Troubleshooting
322
Signaling System
324
Circuit Diagram
324
Troubleshooting
326
Fuel Injection System
328
Circuit Diagram
328
Yamaha Diagnostic Tool
330
Ecu Self-Diagnostic Function
331
Troubleshooting Method
333
List of Self-Diagnostic and Fail-Safe Actions
334
List of Diagnostic Codes
335
Troubleshooting Details
337
Fuel Pump System
356
Circuit Diagram
356
Trouble Shooting
358
Electrical Components
360
Checking the Switches
364
Checking the Bulbs and Bulb Sockets
368
Replacing the Headlight Bulb
369
Checking the Fuse
369
Checking and Charging the Battery
370
Checking the Relays
373
Checking the Diode
374
Checking the Ignition Spark Gap
375
Checking the Spark Plug Cap
375
Checking the Ignition Coil
375
Checking the Crankshaft Position Sensor
376
Checking the Lean Angle Sensor
376
Checking the Starter Motor Operation
377
Checking the Stator Coil
377
Checking the Rectifier/Regulator
378
Checking the Speed Sensor
378
Checking the Fuel Sender
378
Checking the Coolant Temperature Sensor
379
Checking the Throttle Position Sensor
380
Checking the Throttle Position Sensor Input Voltage
380
Checking the Intake Air Pressure Sensor
381
Checking the Intake Air Temperature Sensor
381
Checking the Fuel Injector
382
Troubleshooting
383
Troubleshooting
384
Starting Failures
384
Incorrect Engine Idling Speed
384
Poor Medium-And-High-Speed Performance
385
Faulty Gear Shifting
385
Shift Pedal Does Not Move
385
Jumps out of Gear
385
Faulty Clutch
385
Overheating
386
Overcooling
386
Poor Braking Performance
386
Faulty Front Fork Legs
386
Unstable Handling
386
Faulty Lighting System
387
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Yamaha WR450FB 2012 Owner's Service Manual (387 pages)
Brand:
Yamaha
| Category:
Motorcycle
| Size: 49.43 MB
Table of Contents
Table of Contents
7
General Information
8
Location of Important Labels
11
Description
12
Consumer Information
13
Vehicle Identification Number
13
Engine Serial Number
13
Model Label
13
Vehicle Emission Control Information Label
13
Features
14
OUTLINE of the Fl SYSTEM
14
Fl SYSTEM
15
Included Parts
16
Valve Joint
16
Spark Plug Wrench
16
Nipple Wrench
16
Handlebar Protector
16
Hook (Fuel Tank)
16
Fuel Hose Joint Cover
16
Important Information
17
Replacement Parts
17
Gaskets, Oil Seals and 0-Rings
18
Lock Washers/Plates and Cotter Pins
18
Bearings and Oi Lseals
18
Circlips
18
Basic Service Information
19
Quick Fasteners
19
Electrical System
20
Special Tools
24
Control Functions
29
Main Switch
29
Indicator Lights and Warning Lights
29
Engine Stop Switch
29
Start Switch
30
Clutch Lever
30
Shift Pedal
30
Kickstarter Crank
30
Throttle Grip
30
Front Brake Lever
30
Rear Brake Pedal
31
Sidestand
31
Starter Knob/Idle Adjusting Screw
31
MUL Tl-FUNCTION DISPLAY
31
Description
31
Basic Mode
32
Changeover to Basic Mode/Race Mode
33
Race Mode
34
Function Diafram
38
Starting and Break-In
39
Fuel
39
Handling Note
40
Air Filter Maintenance
40
Starting a Cold Engine
40
Starting a Warm Engine
40
Break-In Procedures
41
Torque-Check Points
42
Motorcycle Care and Storage
43
Care
43
Storage
44
Specifications
46
General Specifications
47
Engine Specifications
48
Chassis Specifications
56
Electrical Specifications
57
Tightening Torques
59
General Tightening Torque Speci Fications
59
Engine Tightening Torques
60
Chassis Tightening Torques
63
Lubrication Points and Lubricant Types
67
Engine
67
Chassis
69
Lubrication System Chart and Diagrams
71
Lubrication Diagrams
71
Cable Routing
75
Periodic Checks and Adjustments
88
Tuning
120
Chassis
121
Selection of the Drive and Rear Wheel Sprockets Setting Parts
121
Tire Pressure
121
Front Fork Setting
122
Setting of Spring after Replacement
122
Choosing Set Length
123
Front Fork Setting Parts
123
Rear Suspension Setting
123
Rear Shock Absorber Setting Parts
125
Suspension Setting
128
Chassis
130
General Chassis
132
Removing the Side Cover
135
Front Wheel
136
Removing the Front Wheel
137
Checking the Front Wheel
137
Disassembling the Front Wheel
138
Assembling the Front Wheel
138
Installing the Front Wheel (Disc)
139
Rear Wheel
141
Removing the Rear Wheel
142
Checking the Rear Wheel
142
Disassembling the Rear Wheel
142
Checking and Replacing the Rear Wheel Sprocket
142
Assembling the Rear Wheel
143
Installing the Rear Wheel (Disc)
144
Front Brake
146
Introduction
151
Checking the Front Brake Disc
151
Replacing the Front Brake Pads
152
Removing the Front Brake Caliper
153
Disassembling the Front Brake Caliper
153
Ecking Th Efront Brake Caliper
153
Assembling the Front Brake Caliper
154
Installing the Front Brake Caliper
154
Removing the Front Brake Master Cylinder
155
Checking the Front Brake Master Cylinder
155
Assembling the Front Brake Master Cylinder
155
Installing the Front Brake Master Cylinder
156
Rear Brake
162
Introduction
163
Checking the Rear Brake Disc
163
Replacing the Rear Brake Pads
163
Removing the Rear Brake Caliper
164
Checking the Rear Brake Caliper
165
Assemblingtherearbrakecaliper
165
Installing the Rear Brake Caliper
165
Removing the Rear Brake Master Cylinder
166
Checking the Rear Brake Master Cylinder
167
Assembling the Rear Brake Master Cylinder
167
Installing Th Erear Brake Master Cylinder
167
Handlebar
169
Removing the Handlebar
170
Checking the Handlebar
170
Installing the Handlebar
170
Removing the Front Fork Legs
178
Disassembling the Front Fork Legs
178
Checking the Front Fork Legs
179
Assemblingthefrontforklegs
180
Installing the Front Fork Legs
186
Steering Head
189
Removing the Lower Bracket
190
Checking the Steering Head
190
Installing the Steering Head
190
Rear Shock Absorber Assembly
192
Handlingtherearshockabsorber
195
Disposing of a Rear Shockabsorber
195
Removing the Rear Shock Absorber Assembly
195
Checking the Rear Shock Absorber Assembly
195
Checking the Connecting Arm and Relay Arm
196
Installing the Relay Arm
196
Installing the Rear Shock Absorber Assembly
196
Swingarm
198
Removing the Swingarm
200
Checking the Swingarm
200
Installing the Swingarm
201
Chain Drive
202
Removing the Drive Chain
203
Checking the Drive Chain
203
Checking the Drive Sprocket
204
Checking the Rear Wheel Sprocket
204
Installing the Drive Chain
204
Engine
206
Engine Removal
211
Removing the Engine
212
Cleaning the Spark Arrester
212
Installing the Engine
213
Installing the Exhaust Pipe and Muffler
213
Installing the Shift Pedal
214
Camshaft
215
Removing the Camshaft
216
Checking the Camshaft
217
Checking the Decompression System
220
Installing the Camshafts
220
Cylinder Head
222
Removing the Cylinder Head
223
Checking the Timing Chain Guide ( Exhaust Side )
223
Checking the Cylinder Head
223
Installing the Cylinder Head
224
Valves and Valve Springs
227
Removing the Valves
227
Checking the Valves and Valve Guides
228
Checking the Valve Seats
229
Checking the Valve Springs
231
Checking the Valve Lifters
232
Installing the Valves
232
Cylinder and Piston
234
Removing the Piston
235
Checking the Cylinder and Piston
235
Checking the Piston Rings
236
Checking the Piston Pin
237
Installing the Piston and Cylinder
237
Electric Starter
239
Checking the Starter Motor
241
Assembling the Starter Motor
242
Clutch
244
Removing the Clutch
247
Checking the Friction Plates
247
Checking the Clutch Plates
247
Checking the Clutch Springs
247
Checking the Primary Drive Gear
249
Checking the Primary Driven Gear
249
Installing the Clutch
249
Kickstater
254
Installing the Kick Idle Gear
254
Shift Shaft
256
Removing the Segment
257
Checking the Shift Shaft
257
Checking the Stopper Lever
257
Installing the Segment
257
Installing the Stopper Lever
257
Installing the Shift Guide and Shift Lever Assembly
258
Installing the Shift Shaft
258
Oil Pump and Balancer Gear
259
Assembling the Oil Pump
263
Installing the Oil Pump and Balancer Gear
263
Generator and Starter Clutch
265
Removing the Generator
267
Checking the Starter Clutch
267
Installing the Starter Clutch
268
Installing the Generator
268
Crankcase
271
Disassembling the Crankcase
273
Checking the Timing Chain, Timing Chain Guide, Oil Strainer
273
Checking the Crankcase
273
Assembling the Crankcase
274
Crankshaft Assembly and Balancer Shaft
275
Crankshaft Assembly and Balancer Shaft
276
Removing the Balancer Shaft
276
Removing the Crankshaft Assembly
276
Checking the Crankshaft Assembly
276
Installing the Crankshaft Assembly
277
Cooling System
282
Radiator
283
Handling Note
285
Checking the Radiator
285
Installing the Radiator
285
Water Pump
288
Checking the Water Pump
288
Assembling the Water Pump
288
Fuel System
290
Fuel Tank
291
Installing the Fuel Pump
293
Removing the Fuel Pump
293
Removing the Fuel Tank
293
Checking the Fuel Sender
294
Installing the Fuel Sender
294
Removing the Fuel Sender
294
Checking the Fuel Pressure
295
Installing the Fuel Tank
295
Throttle Body
296
Checking the Injector
298
Checking the Throttle Body
298
Removing the Throttle Body
298
Adjusting the Throttle Position Sensor
299
Checking the Throttle Body Joint
299
Electrical System
300
Ignition System
303
Circuit Diagram
303
Troubleshooting
305
Electric Starting System
307
Circuit Diagram
307
Starting Circuit Cut-Off System Operation
309
Troubleshooting
311
Charging System
313
Circuit Diagram
313
Troubleshooting
315
Lighting System
317
Circuit Diagram
317
Troubleshooting
319
Signaling System
321
Circuit Diagram
321
Troubleshooting
323
Fuel Injection System
325
Circuit Diagram
325
Yamaha Diagnostic Tool
327
Ecu Self-Diagnostic Function
328
Troubleshootin Gmethod
330
List of Self-Diagnostic and Fail-Safe Actions
331
List of Diagnostic Codes
332
Troubleshooting Details
334
Fuel Pump System
353
Circuit Diagram
353
Trouble Shooting
355
Electrical Components
357
Checking the Switches
361
C Hecking the Bulbs and Bulb Sockets
365
Replacing the Headlight Bulb
366
Checking the Fus E
366
Checking and Charging the Battery
367
Checking Th Erelays
370
Checking the Diode
371
Checking Th Eignition Spark Gap
372
Checking the Spark Plug Cap
372
Checking the Ignition Coil
372
Checking the Crankshaft Position Sensor
373
Checking the Lean Angle Sensor
373
Checking the Starter Motor Operation
374
Checking the Stator Coil
374
Checking the Fuel Sender
375
Checking the Rectifier/Regulator
375
Checking the Speed Sensor
375
Checking the Coolant Temperature Sensor
376
Checking the Throttle Position Sensor
377
Checking the Throttle Position Sensor Inputvoltage
377
Checking the Intake Air Pressure Sensor
378
Checking the Fuel Injector
379
Troubleshooting
381
General Information
381
Starti Ng Failures
381
Incorrect Engine Idling Speed
381
Faulty Clutch
382
Overheating
383
Overcooling
383
Poor Braking Performance
383
Faulty Front Fork Legs
383
Faulty Li Ghti Ng System
384
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