2005 YAMAHA WR 250F oil

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Page 598 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 17
CHASFRONT WHEEL AND REAR WHEEL
9. Install:
Trip meter cable 
1 
1
Rear wheel
1. Install:
Bearing (right) 
1 
Circlip 
2 
Spacer 3 
Bearing (left) 4 
Oil seal 5 
NOTE:Apply the lithium so

Page 600 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 19
CHASFRONT WHEEL AND REAR WHEEL
4. Install:
Collar 
1 
NOTE:Apply the lithium soap base grease
on the oil seal lip.
5. Install:
Wheel
NOTE:Install the brake disc 
1 between the
brake pads 
2 c

Page 638 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 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 646 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 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 650 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 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 652 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 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 654 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 73
CHASFRONT FORK
EC554200Base valve
1. Inspect:
Valve assembly 
1 
Wear/damage 
→ Replace.
O-ring 
2 
Damage 
→ Replace.
EC554400Fork spring
1. Measure:
Fork spring free length 
a 
Out of

Page 658 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 77
CHASFRONT FORK
5. Install:
Spring guide 
1 
Locknut 
2 
To damper rod 
3.
NOTE:Install the spring guide with its cut
a facing upward.
With its thread 
b facing upward,
fully finger tighten