2007 YAMAHA WR 250F wheel

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Page 392 of 912

YAMAHA WR 250F 2007  Owners Manual 4 - 33
TUNSETTING
EC72B000Rear suspension setting
The rear suspension setting should
be made depending on the rider’s
feeling of an actual run and the cir-
cuit conditions.
The rear suspension setti

Page 574 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 167
ENGKICK SHAFT AND SHIFT SHAFT
KICK SHAFT AND SHIFT SHAFT
Extent of removal:
1 Kick shaft removal
2 Kick shaft disassembly
3 Shift shaft removal
4 Segment removal
Extent of removal Order Part n

Page 582 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 175
ENGKICK SHAFT AND SHIFT SHAFT
REMOVAL POINTS
Kick shaft assembly
1. Remove:
Kick shaft assembly 
1 
NOTE:Unhook the torsion spring 
2 from
the hole 
a in the crankcase.
EC4C3101Shift guide an

Page 584 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 177
ENGKICK SHAFT AND SHIFT SHAFT
EC4C4300Kick gear, kick idle gear and 
ratchet wheel
1. Inspect:
Kick gear 
1 
Kick idle gear 
2 
Ratchet wheel 
3 
Gear teeth 
a 
Ratchet teeth 
b 
Wear/dam

Page 588 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 181
ENGKICK SHAFT AND SHIFT SHAFT
Shift shaft
1. Install:
Roller 
1 
Collar 
2 
Torsion spring 
3 
Shift shaft 
4 
NOTE:Apply the engine oil on the roller and
shift shaft.
2. Install:
Shift p

Page 590 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 183
ENG
4. Install:
Kick shaft assembly 
1 
Washer 
2 
NOTE:Apply the molybdenum disulfide
grease on the contacting surfaces
of the kick shaft stopper 
a and
kick shaft ratchet wheel guide 
3.

Page 592 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 185
ENGAC MAGNETO AND STARTER CLUTCH
AC MAGNETO AND STARTER CLUTCH
Extent of removal:
1 Starter clutch/wheel gear removal
2 Rotor removal
3 Pickup coil/stator removal
Extent of removal Order Part

Page 660 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 253
ENGTRANSMISSION, SHIFT CAM AND SHIFT FORK
2. Install:
2nd wheel gear (28T) 
1 
4th wheel gear (23T) 
2 
3rd wheel gear (23T) 
3 
5th wheel gear (17T) 
4 
1st wheel gear (31T) 
5 
O-ring