Checking The Swingarm - Yamaha YFM250RX 2008 Service Manual

REAR SHOCK ABSORBER, SWINGARM AND
DRIVE CHAIN
Swingarm free play limit
(at the end of the swingarm)
1.0 mm (0.04 in)
b. Check the swingarm side play
ing it from side to side.
If side play is noticeable, check the spacer,
bearings and frame pivot.
c. Check the swingarm vertical movement
by moving it up and down.
If vertical movement is tight or rough, or if
there is binding, check the spacer, bearings
and frame pivot.
2. Remove:
• pivot shaft nut
• washer
• pivot shaft
• swingarm
EBS00495

CHECKING THE SWINGARM

1. Check:
• swingarm
Bends/cracks/damage → Replace.
2. Check:
• pivot shaft
Roll the axle on a flat surface.
Bends → Replace.
WARNING
Do not attempt to straighten a bent pivot
shaft.
3. Clean:
• pivot shaft
• spacer
• bearings
Recommended cleaning solvent
Kerosene
6-59
CHAS
by mov-