Honda SH125 Manual page 220

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Remove the final gear shaft oil seal.
Check the bearings in the final reduction case.
Turn the inner race of each bearing with your finger.
The bearing should turn smoothly and quietly.
Also check that the bearing outer race fits tightly i n
the crankcase.
Use two 10 m m nuts to the case puller.
TOOL:
Case puller 07SMC-0010001
Remove the drive shaft using the case puller.
Remove the oil seal from the crankcase.
If the bearing comes out with the drive shaft,
remove
it
with the commercially available bearing
puller.
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