3-50 ENGINE
FINAL GEAR
INSPECTION
Inspect the removed gears and shafts for the following abnor-
malities.
* Drive gear, idle gear and driven gear damage or wear
* Improper tooth contact
* Shaft spline damage
CRANKCASE
BEARING INSPECTION
Rotate the bearing inner race by finger to inspect for abnormal
play, noise and smooth rotation while the bearings are in the
crankcase.
Replace the bearing in the following procedure if there is any-
thing unusual.
BEARING/OIL SEAL REMOVAL (LEFT CRANKCASE)
• Remove the oil seal

1.
#
• Remove the bearing

2 using the special tool.
$ 09913-70210: Bearing installer set (42 × 47 mm)
NOTE:
If abnormal noise does not occur, it is not necessary to remove
the bearing.
#
Play
Play
The removed oil seal should be replaced with a new
one.
The removed bearing should be replaced with a new
one.
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