2003 YAMAHA WR 250F wheel

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Page 272 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 81
INSP
ADJ
6. Install:
Chain joint 
1 
O-ring 
2 
Drive chain 
3 
NOTE:When installing the drive chain, apply
the lithium soap base grease on the
chain joint and O-rings.
7. Install:
Link pla

Page 274 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 83
INSP
ADJ
3. Adjust:
Drive chain slack
Drive chain slack adjustment 
steps:
Loosen the axle nut 
1 and
locknuts 
2.
Adjust the drive chain slack by
turning the adjusters 
3.
To tighten → Tu

Page 276 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 85
INSP
ADJ
EC36D001FRONT FORK OIL SEAL AND 
DUST SEAL CLEANING
1. Remove:
Protector
Dust seal 
1 
NOTE:Use a thin screw driver, and be care-
ful not to damage the inner fork tube
and dust seal.

Page 282 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 91
INSP
ADJ
EC36K000REAR SHOCK ABSORBER 
INSPECTION
1. Inspect:
Swingarm smooth action
Abnormal noise/unsmooth
action 
→ Grease the pivoting
points or repair the pivoting
points.
Damage/oil lea

Page 290 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 99
INSP
ADJ
EC36Q000TIRE PRESSURE CHECK
1. Measure:
Tire pressure
Out of specification 
→ Adjust.
NOTE:Check the tire while it is cold.
Loose bead stoppers allow the tire
to slip off its posi

Page 292 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 3 - 101
INSP
ADJ
2. Inspect:
Bearing free play
Exist play 
→ Replace.
EC36U013STEERING HEAD INSPECTION 
AND ADJUSTMENT
1. Elevate the front wheel by plac-
ing a suitable stand under the
engine.
2.

Page 494 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 4 - 169
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 502 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 4 - 177
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