Yamaha YZ250(P)/LC, Owner'S Service Manual

Page: 192 / 584

3-30
REAR SHOCK ABSORBER SPRING PRELOAD
ADJUSTMENT
INSP
ADJ
EC36M013
REAR SHOCK ABSORBER SPRING
PRELOAD ADJUSTMENT
1. Elevate the rear wheel by placing the suit-
able stand under the engine.
2. Remove:
9
Rear frame
3. Loosen:
9
Locknut
1
4. Adjust:
9
Spring preload
By turning the adjuster
2
.
NOTE:
9
Be sure to remove all dirt and mud from
around the locknut and adjuster before
adjustment.
9
The length of the spring (installed) changes 1.5
mm (0.06 in) per turn of the adjuster.
c C
Never attempt to turn the adjuster beyond
the maximum or minimum setting.
5. Tighten:
9
Locknut
6. Install:
9
Rear frame
Stiffer
→
Increase the spring preload.
(Turn the adjuster
2 2
in.)
Softer
→
Decrease the spring pre-
load. (Turn the adjuster
2 2
out.)
Extent of adjustment
240.5~258.5 mm
(9.47~10.18 in)
*255.5~273.5 mm
(10.06~10.77 in)
Spring length (installed)
a a
:
Standard length
250 mm (9.84 in)
*267 mm (10.51 in)
*For EUROPE
29 Nm (2.9 m•kg, 21 ft•lb)
5NX-9-30-3B 6/5/01 4:06 PM Page 28