2007 YAMAHA WR 250F oil

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Page 674 of 912

YAMAHA WR 250F 2007  Owners Manual 6 - 11
CHASFRONT WHEEL AND REAR WHEEL
EC514200Wheel axle
1. Measure:
Wheel axle bends
Out of specification 
→ 
Replace.
Use the dial gauge 
1.
NOTE:The bending value is shown by one
half of the dia

Page 676 of 912

YAMAHA WR 250F 2007  Owners Manual 6 - 13
CHASFRONT WHEEL AND REAR WHEEL
EC595000ASSEMBLY AND INSTALLATION
Front wheel
1. Install:
Bearing (left) 
1 
Spacer 
2 
Bearing (right) 
3 
Oil seal 
4 
NOTE:Apply the lithium soap base gre

Page 680 of 912

YAMAHA WR 250F 2007  Owners Manual 6 - 17
CHASFRONT WHEEL AND REAR WHEEL
Rear wheel
1. Install:
Bearing (right) 
1 
Circlip 
2 
Spacer 
3 
Bearing (left) 
4 
Oil seal 
5 
NOTE:Apply the lithium soap base grease
on the bearing and

Page 720 of 912

YAMAHA WR 250F 2007  Owners Manual 6 - 57
CHASFRONT BRAKE AND REAR BRAKE
2. Install:
Brake hose holder 
1 
Screw (brake hose holder) 
2 
CAUTION:
After installing the brake hose
holders, make sure the brake hose
does not contact the

Page 728 of 912

YAMAHA WR 250F 2007  Owners Manual 6 - 65
CHASFRONT FORK
EC558000FRONT FORK DISASSEMBLY
Extent of removal:
1 Oil seal removal
2 Damper rod removal
Extent of removal Order Part name Q’ty Remarks
FRONT FORK DISASSEMBLY
1  Front fork ca

Page 732 of 912

YAMAHA WR 250F 2007  Owners Manual 6 - 69
CHASFRONT FORK
EC556000HANDLING NOTE
NOTE:The front fork requires careful atten-
tion. So it is recommended that the
front fork be maintained at the deal-
ers.
CAUTION:
To prevent an accidental

Page 734 of 912

YAMAHA WR 250F 2007  Owners Manual 6 - 71
CHASFRONT FORK
EC553201Inner tube
1. Remove:
Dust seal 
1 
Stopper ring 
2 
Using slotted-head screw-
driver.
CAUTION:
Take care not to scratch the inner
tube.
2. Remove:
Inner tube 
1 
Oil

Page 736 of 912

YAMAHA WR 250F 2007  Owners Manual 6 - 73
CHASFRONT FORK
EC554200Base valve
1. Inspect:
Valve assembly 
1 
Wear/damage 
→ Replace.
O-ring 
2 
Damage 
→ Replace.2
1
EC554400Fork spring
1. Measure:
Fork spring free length 
a 
Out