2007 YAMAHA WR 250F wheel

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Page 304 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 93
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 306 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 95
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 308 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 97
INSP
ADJ
EC36C000FRONT FORK INSPECTION
1. Inspect:
Front fork smooth action
Operate the front brake and
stroke the front fork.
Unsmooth action/oil leakage
→ Repair or replace.
EC36D001FRONT

Page 314 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 103
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 le

Page 322 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 111
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 pos

Page 324 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 3 - 113
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 380 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 4 - 21
TUNSETTING
EC720000
CHASSIS
Selection of the secondary 
reduction ratio (Sprocket)
<Requirement for selection of sec-
ondary gear reduction ratio>
It is generally said that the second-
ary gea

Page 382 of 912

YAMAHA WR 250F 2007  Manuale de Empleo (in Spanish) 4 - 23
TUNSETTING
EC72N000Drive and rear wheel sprockets 
setting parts
* For AUS and NZ
Part name Size Part number
Drive sprocket 
1 (STD) 13T
* 14T9383B-13218
9383B-14222
Rear wheel 
sprocket 
2 
(S