Assembly - Yamaha YTZ250S 1986 Service Manual

NOTE:
The shim should be installed on the left side
only.
2. Check the bushings, bearings and oil
seals for scratches and/or damage.
Replace if scratched and/or damaged.
1. Oil seal
2. Bearing 3. Bushing
3. Check the rear wheel hub, bearings and
oil seal for damage. Replace if damaged .
1. Bearing 2. Oil seal
4. Check the relay arm, connecting rod,
thrust cover, collar, and bushing for
damage. Replace if damaged.
(5)
1. Relay arm
4. Collar
2. Connecting rod 5. Bushing
3. Thrust cover
4-28
5. As shown below, support the rear axle
by placing V-blocks under the bearing
mounting positions and check for the
rear axle at both ends.
1. Rear axle 2. Dial gauge
Rear axle runout limit: 1.5 mm (0.06 in)
If the runout exceeds 1.5 mm (0.06 in),
replace the rear axle with a new one.
Assembly
Assemble the swingarm by reversing the
removal procedure. Take care of the following
precautions.
1. Apply grease to the portions of the
swingarm.
Bush:
Coat all inside surface of bushes with
grease.
Oil seal:
Fill the lip portion of oil seals with grease.
Dust seal:
Coat inside and outside surface of dust
seals with grease.
Thrust cover:
Fill inside of thrust cover with grease.
Pivot shaft:
Coat outside surface of shaft with
grease.
Grease nipple:
Using a grease gun lubricate the swing-
arm pivot point.
2. Torque tighten the following com-
ponents.