Swingarm Free Play Inspection; Removal - Yamaha YTZ250S 1986 Service Manual

Swingarm Free Play Inspection
1. To check the swingarm bearings, remove
the rear wheel, rear axle and brake
caliper. Disconnect the shockabsorber
from the relay arm and swingarm.
2.
Grasp the ends of the swingarm and try
to move the arm sideways; if the free '
play exceeds tolerance, remove the
swingarm and take it to your Yamaha
dealer for bearing replacement.
Std swingarm side clearance:
0.2-0.3 mm (0.00757-0.0118 in)
3. Closely inspect the swingarm for cracks
or other damage, and repair or replace it
as required.
4. When reinstalling the swingarm, be sure
to grease the bearings, bushings, and oil
seal lips.
5. Grease the pivot shaft, install it and its
nut, and torque the nut to specification.
Pivot shaft nut torque:
85 Nm (8.5 m·kg, 60 ft·lb)
Removal
1. Remove the rear wheel assembly.
2. Remove the rear axle ring nuts: Use with
the ring nut wrench.
Apply the rear brake.
4-26
3. Remove the rear brake caliper.
4. Remove the rear axle from the rear wheel
hub by tapping the left end axle.
5. Remove the rear wheel hub.