Yamaha WR250F(N) Owner's Service Manual page 592

REAR SHOCK ABSORBER
EC583000
REMOVAL POINTS
EC583320
Bearing
1. Remove:
Stopper ring (upper bearing) 1
NOTE:
Press in the bearing while pressing its outer
race and remove the stopper ring.
2. Remove:
Upper bearing 1
NOTE:
Remove the bearing by pressing its outer race.
3. Remove:
Lower bearing 1
NOTE:
Remove the bearing by pressing its outer race.
EC584000
INSPECTION
Rear shock absorber
1. Inspect:
Damper rod 1
Bends/damage
absorber assembly.
Shock absorber 2
Oil leaks
absorber assembly.
Gas leaks
absorber assembly.
Spring 3
Damage
Fatigue
Move spring up and down.
Spring guide 4
Wear/damage
Bearing 5
Free play exists/unsmooth revolution/
rust
5 - 63
CHAS
Replace rear shock
Replace rear shock
Replace rear shock
Replace spring.
Replace spring.
Replace spring guide.
Replace.