Yamaha WR250F Fahrer- Und Wartungshandbuch Seite 246

REAR SHOCK ABSORBER INSPECTION/REAR SHOCK
ABSORBER SPRING PRELOAD ADJUSTMENT
EC36K000
REAR SHOCK ABSORBER INSPECTION
1. Inspect:
Swingarm smooth action
G
Abnormal noise/unsmooth action →
Grease the pivoting points or repair the
pivoting points.
Damage/oil leakage → Replace.
EC36M013
REAR SHOCK ABSORBER SPRING
PRELOAD ADJUSTMENT
1. Elevate the rear wheel by placing the
suitable stand under the engine.
2. Remove:
Rear frame
G
3. Loosen:
Locknut 1
G
4. Adjust:
Spring preload
G
By turning the adjuster 2.
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
244 mm (9.61 in)
* 247 mm (9.72 in)
** 243.5 mm (9.59 in)
* For EUROPE
** For AUS, NZ and ZA
NOTE:
Be sure to remove all dirt and mud from
G
around the locknut and adjuster before
adjustment.
The length of the spring (installed) changes
G
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
G
6. Install:
Rear frame
G
3 - 39
INSP
ADJ
Extent of adjustment
240.5 ~ 258.5 mm
(9.47 ~ 10.18 in)
29 Nm (2.9 m · kg, 21 ft · lb)