Yamaha WR250FM Bicycle User Manual


 
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INSP
ADJ
REAR SHOCK ABSORBER SPRING PRELOAD
ADJUSTMENT
REAR SHOCK ABSORBER SPRING
PRELOAD ADJUSTMENT
1. Elevate the rear wheel by placing the suit-
able stand under the engine.
2. Remove:
Rear frame
3. Loosen:
Locknut 1
4. Adjust:
Spring preload
By turning the adjuster 2.
* For EUROPE
N
OTE:
Be sure to remove all dirt and mud from
around the locknut and adjuster before
adjustment.
The length of the spring (installed) changes
1.5 mm (0.06 in) per turn of the adjuster.
CAUTION:
Never attempt to turn the adjuster beyond
the maximum or minimum setting.
5. Tighten:
Locknut
6. Install:
Rear frame (upper)
Rear frame (lower)
Stiffer
Increase the spring preload.
(Turn the adjuster
2
in.)
Softer
Decrease the spring preload.
(Turn the adjuster
2
out.)
Spring length (installed)
a
:
Standard length Extent of adjustment
245 mm (9.65 in)
* 246.5 mm (9.70 in)
240.5 ~ 258.5 mm
(9.47 ~ 10.18 in)
T
R
.
.
32 Nm (3.2 m · kg, 23 ft · lb)
T
R
.
.
29 Nm (2.9 m · kg, 21 ft · lb)