![Yamaha WR250FR (2002) [251/343] Front brake and rear brake](/img/pdf.png)
Yamaha WR250FR (2002) [251/343] Front brake and rear brake
![Yamaha WR250FR (2002) [251/343] Front brake and rear brake](/views2/1121402/page251/bgfb.png)
5 - 24
CHAS
FRONT BRAKE AND REAR BRAKE
4. Install:
• Copper washer 1
• Brake hose 2
• Union bolt 3
WARNING
Always use new copper washers.
CAUTION:
Install the brake hose so that it contacts the
brake master cylinder projection
a
and
that its bent portion
b
faces downward.
T
R
.
.
30 Nm (3.0 m · kg, 22 ft · lb)
New
Rear brake hose
1. Install:
• Copper washer 1
• Brake hose 2
• Union bolt 3
WARNING
Always use new copper washers.
CAUTION:
Install the brake hose so that its pipe por-
tion
a
directs as shown and lightly
touches the projection
b
on the brake cali-
per.
T
R
.
.
30 Nm (3.0 m · kg, 22 ft · lb)
New
Содержание
- Owner s service manual 1
- Wr250fr 1
- Introduction 4
- Warning 4
- Important notice 6
- Safety information 6
- Notice 8
- To the new owner 8
- Caution 9
- How to use this manual 9
- Particularly important information 9
- Warning 9
- How to read descriptions 10
- Manual format 10
- Gen info spec 11
- Insp adj eng 11
- Chassis 13
- Electrical 13
- Engine 13
- General information 13
- Regular inspection and adjustments 13
- Specifications 13
- Tuning 13
- Chapter 1 general information 14
- Chapter 2 specifications 14
- Chapter 3 regular inspection and adjustments 14
- Contents 14
- Table of contents 14
- Chapter 4 engine 15
- Chapter 5 chassis 15
- Chapter 6 electrical 16
- Chapter 7 tuning 16
- Description 17
- Gen info 17
- General information 17
- Gen info 18
- Machine identification 18
- Gen info 19
- Important information 19
- Caution 20
- Gen info 20
- Important information 20
- Gen info 21
- Important information 21
- Checking of connection 22
- Gen info 22
- Gen info 23
- Note for u s a and canada use part number starting with ym yu or acc for others use part number starting with 90890 23
- Part number tool name how to use illustration 23
- Special tools 23
- The proper special tools are necessary for complete and accurate tune up and assembly using the correct special tool will help prevent damage caused by the use of improper tools or improvised techniques the shape and part number used for the special tool differ by country so two types are provided refer to the list provided to avoid errors when placing an order 23
- Gen info 24
- Part number tool name how to use illustration 24
- Special tools 24
- Gen info 25
- Part number tool name how to use illustration 25
- Special tools 25
- Control functions 26
- Gen info 26
- Control functions 27
- Gen info 27
- Control functions 28
- Gen info 28
- Caution 29
- Control functions 29
- Gen info 29
- Caution 30
- Gen info 30
- Warning 30
- Caution 31
- Gen info 31
- Starting and break in 31
- Warning 31
- Caution 32
- Gen info 32
- Starting and break in 32
- Warning 32
- Caution 33
- Gen info 33
- Observe the following break in procedures during initial operation to ensure optimum performance and avoid engine damage 33
- Restarting an engine after a fall pull the hot starter lever and start the engine as soon as the engine starts release the hot starter lever to close the air passage the engine fails to start pull the hot starter lever all the way out and while holding the lever kick the kickstarter crank 10 to 20 times to clear the engine then restart the engine refer to restarting an engine after a fall 33
- Starting a warm engine do not operate the cold starter knob and throt tle pull the hot starter lever 1 and start the engine by pushing the start switch or by kick ing the kickstarter crank forcefully with a firm stroke as soon as the engine starts release the hot starter lever to close the air passage 33
- Starting and break in 33
- Caution 34
- Gen info 34
- Starting and break in 34
- Gen info 35
- Note concerning the tightening torque refer to maintenance specifications section in the chapter 2 35
- Torque check points 35
- Caution 36
- Cleaning and storage 36
- Gen info 36
- Cleaning and storage 37
- Gen info 37
- General information 38
- General specifications 38
- Specifications 38
- General specifications 39
- General specifications 40
- Maintenance specifications 41
- Maintenance specifications 42
- Maintenance specifications 43
- Maintenance specifications 44
- Maintenance specifications 45
- Maintenance specifications 46
- Maintenance specifications 47
- Maintenance specifications 48
- Maintenance specifications 49
- Maintenance specifications 50
- Maintenance specifications 51
- Maintenance specifications 52
- Maintenance specifications 53
- Maintenance specifications 54
- Maintenance specifications 55
- Definition of units 56
- General torque specifications 56
- General torque specifications definition of units 56
- Cable routing diagram 57
- Cable routing diagram 58
- Cable routing diagram 59
- Cable routing diagram 60
- Cable routing diagram 61
- Cable routing diagram 62
- Cable routing diagram 63
- Cable routing diagram 64
- Cable routing diagram 65
- Insp adj 66
- Maintenance intervals 66
- Regular inspection and adjustments 66
- The following schedule is intended as a general guide to maintenance and lubrication bear in mind that such factors as weather terrain geographical location and individual usage will alter the required maintenance and lubrication intervals if you are a doubt as to what intervals to follow in maintaining and lubricating your machine consult your yamaha dealer 66
- Insp adj 67
- Maintenance intervals 67
- Insp adj 68
- Maintenance intervals 68
- Marked for usa 68
- Before riding for break in operation practice or a race make sure the machine is in good operating condition before using this machine check the following points 69
- General inspection and maintenance 69
- Insp adj 69
- Pre operation inspection and maintenance 69
- Caution 70
- Engine 70
- Engine coolant level inspection coolant replacement 70
- Insp adj 70
- Warning 70
- Caution 71
- Coolant replacement 71
- Insp adj 71
- Caution 72
- Coolant replacement 72
- Insp adj 72
- Warning 72
- Insp adj 73
- Radiator cap inspection radiator cap opening pressure inspection 73
- Cooling system inspection clutch adjustment 74
- Insp adj 74
- Insp adj 75
- Throttle cable adjustment 75
- Warning 75
- Insp adj 76
- Throttle lubrication hot starter lever adjustment 76
- Air filter cleaning 77
- Caution 77
- Insp adj 77
- Air filter cleaning 78
- Caution 78
- Insp adj 78
- Caution 79
- Engine oil level inspection 79
- Insp adj 79
- Caution 80
- Engine oil replacement 80
- Insp adj 80
- Engine oil replacement 81
- Insp adj 81
- Engine oil replacement 82
- Insp adj 82
- Insp adj 83
- Oil pressure inspection pilot screw adjustment 83
- Engine idling speed adjustment valve clearance inspection and adjustment 84
- Insp adj 84
- Insp adj 85
- Valve clearance inspection and adjustment 85
- Insp adj 86
- Valve clearance inspection and adjustment 86
- Insp adj 87
- Valve clearance inspection and adjustment 87
- Exhaust 88
- Insp adj 88
- Intake 88
- Valve clearance cold 0 0 0 5 mm example installed is 175 measured clearance is 0 2 mm replace 175 pad with 185 pad pad number example pad no 175 1 5 mm pad no 185 1 5 mm 88
- Valve clearance cold 0 7 0 2 mm example installed is 175 measured clearance is 0 7 mm replace 175 pad with 185 pad pad number example pad no 175 1 5 mm pad no 185 1 5 mm 88
- Valve clearance inspection and adjustment 88
- Insp adj 89
- Spark arrester cleaning for usa 89
- Warning 89
- Chassis 90
- Chassis brake system air bleeding 90
- Insp adj 90
- Warning 90
- Caution 91
- Front brake adjustment 91
- Insp adj 91
- Warning 91
- Insp adj 92
- Rear brake adjustment front brake pad inspection and replacement 92
- Warning 92
- Caution 93
- Front brake pad inspection and replacement 93
- Insp adj 93
- Insp adj 94
- Rear brake pad inspection and replacement 94
- Caution 95
- Insp adj 95
- Rear brake pad inspection and replacement 95
- Insp adj 96
- Rear brake pad insulator inspection brake fluid level inspection 96
- Warning 96
- Caution 97
- Insp adj 97
- Sprockets inspection drive chain inspection 97
- Drive chain inspection 98
- Insp adj 98
- Caution 99
- Drive chain slack adjustment 99
- Insp adj 99
- Front fork inspection front fork oil seal and dust seal cleaning 100
- Insp adj 100
- Front fork internal pressure relieving front fork rebound damping force adjustment 101
- Insp adj 101
- Caution 102
- Front fork compression damping force adjustment 102
- Insp adj 102
- Warning 102
- Caution 103
- Insp adj 103
- Rear shock absorber inspection 103
- Warning 103
- Caution 104
- Insp adj 104
- Rear shock absorber spring preload adjustment 104
- Caution 105
- Insp adj 105
- Rear shock absorber rebound damping force adjustment 105
- Caution 106
- Insp adj 106
- Rear shock absorber low compression damping force adjustment 106
- Caution 107
- Insp adj 107
- Rear shock absorber high compression damping force adjustment 107
- Insp adj 108
- Tire pressure check spokes inspection and tightening wheel inspection 108
- Insp adj 109
- Steering head inspection and adjustment 109
- Caution 110
- Insp adj 110
- Steering head inspection and adjustment 110
- Caution 111
- Insp adj 111
- Lubrication 111
- Lubrication to ensure smooth operation of all components lubricate your machine during setup after break in and after every race 111
- Wipe off any excess grease and avoid get ting grease on the brake discs 111
- Electrical 112
- Electrical spark plug inspection ignition timing check 112
- Insp adj 112
- Ignition timing check 113
- Insp adj 113
- Battery inspection and charging 114
- Caution 114
- Insp adj 114
- Warning 114
- Battery inspection and charging 115
- Caution 115
- Insp adj 115
- Battery inspection and charging 116
- Insp adj 116
- Battery inspection and charging 117
- Caution 117
- Insp adj 117
- Warning 117
- Battery inspection and charging 118
- Insp adj 118
- Battery inspection and charging 119
- Insp adj 119
- Battery replacement fuse inspection 120
- Caution 120
- Insp adj 120
- Fuse inspection 121
- Insp adj 121
- Warning 121
- Caution 122
- Insp adj 122
- Replacing the headlight bulbs adjusting the headlight beams 122
- Warning 122
- Engine 123
- Seat fuel tank and side covers 123
- Seat fuel tank and side covers 124
- Exhaust pipe and silencer 125
- È except for usa 125
- Exhaust pipe and silencer 126
- Radiator 127
- Radiator 128
- Warning 128
- Radiator 129
- Carburetor 130
- Carburetor 131
- Carburetor disassembly 131
- Carburetor 132
- Carburetor 133
- Caution 133
- Carburetor 134
- Carburetor 135
- Carburetor 136
- Carburetor 137
- Carburetor 138
- Carburetor 139
- Carburetor 140
- Carburetor 141
- Carburetor 142
- Carburetor 143
- Camshafts 144
- Cylinder head cover 144
- Camshafts 145
- Camshafts 146
- Caution 146
- Camshafts 147
- Camshafts 148
- Camshafts 149
- Camshafts 150
- Caution 150
- Camshafts 151
- Camshafts 152
- Cylinder head 153
- Cylinder head 154
- Cylinder head 155
- Valves and valve springs 156
- Valves and valve springs 157
- Valves and valve springs 158
- Valves and valve springs 159
- Valves and valve springs 160
- Caution 161
- Valves and valve springs 161
- Valves and valve springs 162
- Valves and valve springs 163
- Caution 164
- Valves and valve springs 164
- Cylinder and piston 165
- Caution 166
- Cylinder and piston 166
- Cylinder and piston 167
- Cylinder and piston 168
- Cylinder and piston 169
- Cylinder and piston 170
- Caution 171
- Cylinder and piston 171
- Clutch 172
- Clutch 173
- Clutch 174
- Clutch 175
- Clutch 176
- Clutch 177
- Clutch 178
- Oil filter element water pump and right crankcase cover 179
- Oil filter element water pump and right crankcase cover 180
- Oil filter element water pump and right crankcase cover 181
- Oil filter element water pump and right crankcase cover 182
- Oil filter element water pump and right crankcase cover 183
- Oil filter element water pump and right crankcase cover 184
- Oil filter element water pump and right crankcase cover 185
- Balancer 186
- Balancer 187
- Balancer 188
- Oil pump 189
- Oil pump 190
- Oil pump 191
- Oil pump 192
- Oil pump 193
- Kick shaft and shift shaft 194
- Kick shaft and shift shaft 195
- Kick shaft and shift shaft 196
- Kick shaft and shift shaft 197
- Kick shaft and shift shaft 198
- Kick shaft and shift shaft 199
- Kick shaft and shift shaft 200
- Ac magneto and starter clutch 201
- Ac magneto and starter clutch 202
- Ac magneto and starter clutch 203
- Ac magneto and starter clutch 204
- Ac magneto and starter clutch 205
- Caution 205
- Ac magneto and starter clutch 206
- Ac magneto and starter clutch 207
- Engine removal 208
- Engine removal 209
- Engine removal 210
- Engine removal 211
- Engine removal 212
- Engine removal 213
- Crankcase and crankshaft 214
- Crankcase and crankshaft 215
- Crankcase and crankshaft 216
- Crankcase bearing 216
- Caution 217
- Crankcase and crankshaft 217
- Caution 218
- Crankcase and crankshaft 218
- Crankcase and crankshaft 219
- Caution 220
- Crankcase and crankshaft 220
- Crankcase and crankshaft 221
- Crankcase and crankshaft 222
- Transmission shift cam and shift fork 223
- Transmission shift cam and shift fork 224
- Transmission shift cam and shift fork 225
- Transmission shift cam and shift fork 226
- Transmission shift cam and shift fork 227
- Chassis 228
- Front wheel 228
- Front wheel and rear wheel 228
- Front wheel and rear wheel 229
- Rear wheel 229
- Front wheel and rear wheel 230
- Front wheel and rear wheel 231
- Warning 231
- Caution 232
- Front wheel and rear wheel 232
- Front wheel and rear wheel 233
- Front wheel and rear wheel 234
- Caution 235
- Front wheel and rear wheel 235
- Front wheel and rear wheel 236
- Front wheel and rear wheel 237
- Front brake 238
- Front brake and rear brake 238
- Front brake and rear brake 239
- Rear brake 239
- Brake caliper disassembly 240
- Front brake and rear brake 240
- È front é rear 240
- Brake master cylinder disassembly 241
- Front brake and rear brake 241
- È front é rear 241
- Caution 242
- Front brake and rear brake 242
- Warning 242
- Caution 243
- Front brake and rear brake 243
- Warning 243
- Front brake and rear brake 244
- Warning 244
- Caution 245
- Front brake and rear brake 245
- Warning 245
- Caution 246
- Front brake and rear brake 246
- Warning 246
- Front brake and rear brake 247
- Warning 247
- Front brake and rear brake 248
- Caution 249
- Front brake and rear brake 249
- Warning 249
- Front brake and rear brake 250
- Caution 251
- Front brake and rear brake 251
- Warning 251
- Caution 252
- Front brake and rear brake 252
- Warning 252
- Caution 253
- Front brake and rear brake 253
- Front fork 254
- Front fork 255
- Front fork disassembly 255
- Caution 256
- Front fork 256
- Caution 257
- Front fork 257
- Front fork 258
- Warning 258
- Caution 259
- Front fork 259
- Front fork 260
- Front fork 261
- Caution 262
- Front fork 262
- Front fork 263
- Warning 263
- Front fork 264
- Front fork 265
- Caution 266
- Front fork 266
- Handlebar 267
- Caution 268
- Handlebar 268
- Warning 268
- Handlebar 269
- Handlebar 270
- Warning 270
- Handlebar 271
- Handlebar 272
- Steering 273
- Steering 274
- Caution 275
- Steering 275
- Warning 275
- Steering 276
- Steering 277
- Caution 278
- Steering 278
- Steering 279
- Swingarm 280
- Swingarm 281
- Swingarm disassembly 281
- Swingarm 282
- Swingarm 283
- Swingarm 284
- Swingarm 285
- Swingarm 286
- Swingarm 287
- Rear shock absorber 288
- Rear shock absorber 289
- Rear shock absorber 290
- Warning 290
- Rear shock absorber 291
- Caution 292
- Rear shock absorber 292
- Caution 293
- Rear shock absorber 293
- Rear shock absorber 294
- Rear shock absorber 295
- 78 9 0 296
- Ec600000 296
- Ec610000 296
- Ec611000 296
- Ec612000 296
- Electrical 296
- Electrical components and wiring diagram 296
- Throttle position sen sor 296
- Map controlled cdi unit 297
- Ignition system 298
- Ignition system 299
- Ignition system 300
- Ignition system 301
- Ignition system 302
- Electric starting system 303
- Electric starting system 304
- Electric starting system 305
- Warning 305
- Electric starting system 306
- Electric starting system 307
- Electric starting system 308
- Starter motor 308
- Electric starting system 309
- Caution 310
- Electric starting system 310
- Electric starting system 311
- Charging system 312
- Charging system 313
- Throttle position sensor system 314
- Caution 315
- Throttle position sensor system 315
- Throttle position sensor system 316
- Caution 317
- Throttle position sensor system 317
- Throttle position sensor system 318
- Lighting system 319
- Lighting system 320
- Engine 321
- Setting 321
- Tuning 321
- Caution 322
- Setting 322
- Setting 323
- Effects of changing the main jet reference 324
- Except for usa if the air fuel mixture is too rich or too lean the engine power will drop resulting in poor accel eration 324
- Main jet adjustment the richness of the air fuel mixture at full throt tle can be set by changing the main jet 1 324
- Setting 324
- Standard main jet 185 172 324
- Setting 325
- Setting 326
- Setting 327
- Setting 328
- Setting 329
- Examples of carburetor setting depending on symptom 330
- Setting 330
- This should be taken simply for an example it is necessary to set the carburetor while checking the operating conditions of the engine 330
- Chassis 331
- Setting 331
- Setting 332
- Caution 333
- Setting 333
- Caution 334
- Setting 334
- Warning 334
- Setting 335
- Setting 336
- Setting 337
- Setting 338
- Caution 339
- Setting 339
- Extent of adjustment spring length 340
- For europe for aus nz and za 340
- Mm 10 3 in 255 273 mm 10 6 10 7 in 340
- Mm 10 4 in 240 258 mm 9 7 10 8 in 340
- Note the unequal pitch spring is softer in initial characteristic than the equal pitch spring and is difficult to bottom out under full compres sion the i d color a is marked at the end of the 340
- Rear shock absorber setting parts rear shock spring 1 equal pitch spring 340
- Setting 340
- Spring 340
- Spring free length extent of adjustment b 340
- Unequal pitch spring 340
- 3 3 in 341
- Note if any of the following symptoms is experienced with the standard position as the base make resetting by reference to the adjustment procedure given in the same chart before any change set the rear shock absorber sunken length to the standard figure 90 100 mm 341
- Setting 341
- Suspension setting front fork 341
- Note if any of the following symptoms is experienced with the standard position as the base make resetting by reference to the adjustment procedure given in the same chart adjust the rebound damping in 2 click increments or decrements adjust the low compression damping in 1 click increments or decrements adjust the high compression damping in 1 6 turn increments or decrements 342
- Rear shock absorber 342
- Setting 342
- Shingai iwata shizuoka japan 343
- Yamaha motor co ltd 343
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