2005 YAMAHA WR 250F oil

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Page 660 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 79
CHASFRONT FORK
9. Install:
Slide metal 
1 
Oil seal washer 
2 
To outer tube slot.
NOTE:Press the slide metal into the outer
tube with fork seal driver 
3.
Fork seal driver:
YM-01442/90890-01

Page 662 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 81
CHASFRONT FORK
15. Fill:
Front fork oil
Until outer tube top surface
with recommended fork oil 
1. 
CAUTION:
Be sure to use recommended
fork oil. If other oils are used,
they may have an exce

Page 664 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 83
CHASFRONT FORK
20. Measure:
Oil level (left and right) 
a 
Out of specification 
→ Adjust.
* For EUROPE
NOTE:Be sure to install the spring guide 
2
when checking the oil level.
WARNING
Never

Page 678 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 97
CHASHANDLEBAR
NOTE:The handlebar upper holder should
be installed with the punched mark
a forward.
Install the handlebar so that the
marks 
b are in place on both
sides.
First tighten the bo

Page 704 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 123
CHASSWINGARM
EC578000SWINGARM DISASSEMBLY
Extent of removal:
1 Swingarm disassembly
2 Connecting rod removal and disassembly
3 Relay arm removal and disassembly
Extent of removal Order Part na

Page 708 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 127
CHASSWINGARM
EC573000REMOVAL POINTS
Cap
1. Remove: 
Left cap 
1 
NOTE:Remove with a slotted-head screw-
driver inserted under the mark 
a on
the left cap.
EC573200Bearing
1. Remove:
Bearing

Page 710 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 129
CHASSWINGARM
Connecting rod
1. Inspect:
Bearing 
1 
Collar 
2 
Free play exists/unsmooth
revolution/rust 
→ Replace
bearing and collar as a set.
2. Inspect:
Oil seal 
3 
Damage 
→ Repla

Page 712 of 864

YAMAHA WR 250F 2005  Manuale duso (in Italian) 5 - 131
CHASSWINGARM
2. Install:
Bearing 
1 
Washer 
2 
Oil seal 
3 
To relay arm.
NOTE:Apply the molybdenum disulfide
grease on the bearing when install-
ing.
Install the bearing by pressing it