Wheel: (7-10 and 7-79)
Rear axle
Using a dial gauge, check the rear axle for runout.
If the runout exceeds the limit, replace the rear axle.
- Axle shaft runout: Service Limit: 0.25 mm (0.010 in)
- 09900-20607: Dial gauge (1/100 mm)
- 09900-20701: Magnetic stand
- 09900-21304: V-block set (100 mm)
Wheel damper
Inspect the dampers for wear and damage.
Replace the damper if there is anything unusual.
Sprocket
Inspect the rear sprocket teeth for wear. If they are worn as shown, replace the engine sprocket, rear sprocket and drive chain as a set.
A. Normal wear; B. Excessive wear
Dust seal
Inspect the wheel dust seal lip and sprocket mounting drum dust seal lips for wear or damage. If any damages are found, replace the dust seal with a new one.
Remove the dust seal with the special tool.
- 09913-50121: Oil seal remover
Caution! Do not reuse the removed dust seal.
Bearing
Inspect the play of the wheel and sprocket mounting drum bearings by hand while they are in the wheel and drum. Rotate the inner race by hand to inspect for abnormal noise and smooth rotation. Replace the bearing if there is anything unusual.
Remove the sprocket mounting drum bearing and wheel bearings with the special tool.
- 09921-20240: Bearing remover set (1 ∅30) (2 ∅20)
Caution! The removed bearings must be replaced with the new ones.
