CLUTCH
5-38
EAS25070
REMOVING THE CLUTCH
You need not drain the coolant and engine oil if
you do not service the primary drive gear.
You can reach the clutch housing removal step
by simply removing the cover and clutch cover.
1. Straighten the lock washer tab.
2. Loosen:
●
Clutch boss nut “1”
NOTE:
While holding the clutch boss “3” with the univer-
sal clutch holder “2”, loosen the clutch boss nut.
3. Straighten the lock washer tab.
4. Remove:
●
Primary drive gear nut “1”
●
Lock washer
NOTE:
Insert aluminum plate “a” between primary drive
gear “2” and clutch housing “3”, and remove
these parts by loosening the primary drive gear
nut.
EAS25100
CHECKING THE FRICTION PLATES
The following procedure applies to all of the fric-
tion plates.
1. Check:
●
Friction plate
Damage/wear
→
Replace the friction plates
as a set.
2. Measure:
●
Friction plate thickness
Out of specification
→
Replace the friction
plates as a set.
NOTE:
Measure the friction plate at four places.
EAS25110
CHECKING THE CLUTCH PLATES
The following procedure applies to all of the
clutch plates.
1. Check:
●
Clutch plate
Damage
→
Replace the clutch plates as a
set.
2. Measure:
●
Clutch plate warpage
(with a surface plate and thickness gauge “1”)
Out of specification
→
Replace the clutch
plates as a set.
Universal clutch holder
90890-04086
YM-91042
1
2
3
1
2
3
a
Friction plate thickness
2.90
–
3.10 mm (0.114
–
0.122 in)
Limit
2.80 mm (0.110 in)
Warpage limit
0.10 mm (0.0039 in)
Содержание WR250R
Страница 1: ...SERVICE MANUAL WR250RX C 2008 32C 28197 10 WR250XX C LIT 11616 21 66 ...
Страница 2: ......
Страница 8: ......
Страница 33: ...ENGINE SPECIFICATIONS 2 8 Oil temperature 60 0 C 140 00 F Throttle cable free play 3 0 5 0 mm 0 12 0 20 in ...
Страница 39: ...ELECTRICAL SPECIFICATIONS 2 14 Spare fuse 15 0 A Spare fuse 10 0 A Spare fuse 7 5 A ...
Страница 49: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 24 ...
Страница 52: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 ...
Страница 54: ...COOLING SYSTEM DIAGRAMS 2 29 EAS20420 COOLING SYSTEM DIAGRAMS 8 5 1 2 3 4 6 7 9 ...
Страница 56: ...CABLE ROUTING 2 31 EAS20430 CABLE ROUTING ...
Страница 58: ...CABLE ROUTING 2 33 ...
Страница 60: ...CABLE ROUTING 2 35 ...
Страница 62: ...CABLE ROUTING 2 37 ...
Страница 64: ...Front rear brake hose 2 39 Front rear brake hose ...
Страница 66: ...Throttle body 2 41 Throttle body ...
Страница 68: ...Canister for California 2 43 Canister for California 5mm 0 20 in 4 5 ...
Страница 70: ...Canister for California 2 45 ...
Страница 106: ...ELECTRICAL SYSTEM 3 34 a b a b ...
Страница 107: ...ELECTRICAL SYSTEM 3 35 ...
Страница 108: ...ELECTRICAL SYSTEM 3 36 ...
Страница 116: ...FRONT WHEEL 4 6 1 ...
Страница 223: ...OIL PUMP AND BALANCER GEAR 5 49 6 Install Be sure to bend the lock washer tab along to the nut side face 1 2 3 a ...
Страница 229: ...GENERATOR AND STARTER CLUTCH 5 55 1 2 ...
Страница 244: ...TRANSMISSION 5 70 ...
Страница 254: ...WATER PUMP 6 9 ...
Страница 258: ...FUEL TANK 7 3 1 ...
Страница 263: ...THROTTLE BODIES 7 8 ...
Страница 264: ...AIR INDUCTION SYSTEM 7 9 EAS27040 AIR INDUCTION SYSTEM 2 1 3 4 ...
Страница 265: ...AIR INDUCTION SYSTEM 7 10 1 Air filter case 2 Air induction system hose 3 Air cut off valve 4 Air induction system pipe ...
Страница 271: ......
Страница 272: ...IGNITION SYSTEM 8 1 EAS27090 IGNITION SYSTEM EAS27100 CIRCUIT DIAGRAM ...
Страница 276: ...ELECTRIC STARTING SYSTEM 8 5 EAS27160 ELECTRIC STARTING SYSTEM EAS27170 CIRCUIT DIAGRAM ...
Страница 282: ...CHARGING SYSTEM 8 11 EAS27200 CHARGING SYSTEM EAS27210 CIRCUIT DIAGRAM ...
Страница 283: ...CHARGING SYSTEM 8 12 1 AC magneto 2 Rectifier regulator 4 Battery 5 Main fuse ...
Страница 285: ...CHARGING SYSTEM 8 14 ...
Страница 286: ...LIGHTING SYSTEM 8 15 EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM ...
Страница 289: ...LIGHTING SYSTEM 8 18 ...
Страница 290: ...SIGNALING SYSTEM 8 19 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM ...
Страница 295: ...SIGNALING SYSTEM 8 24 ...
Страница 296: ...COOLING SYSTEM 8 25 EAS27300 COOLING SYSTEM EAS27310 CIRCUIT DIAGRAM ...
Страница 299: ...COOLING SYSTEM 8 28 ...
Страница 300: ...FUEL INJECTION SYSTEM 8 29 EAS27330 FUEL INJECTION SYSTEM EAS27340 CIRCUIT DIAGRAM ...
Страница 326: ...FUEL PUMP SYSTEM 8 55 EAS27580 FUEL PUMP SYSTEM EAS27590 CIRCUIT DIAGRAM ...
Страница 329: ...FUEL PUMP SYSTEM 8 58 ...
Страница 330: ...ELECTRICAL COMPONENTS 8 59 EAS27971 ELECTRICAL COMPONENTS EAS32D1011 2 3 4 7 5 8 10 12 1 11 6 9 13 ...
Страница 332: ...ELECTRICAL COMPONENTS 8 61 2 3 4 9 5 10 14 13 1 6 7 11 12 15 8 ...
Страница 334: ...ELECTRICAL COMPONENTS 8 63 EAS27980 CHECKING THE SWITCHES 7 9 8 11 10 4 2 3 5 6 1 ...
Страница 358: ...TROUBLESHOOTING 9 5 ...
Страница 360: ......
Страница 361: ......
Страница 362: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...