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DRIV
MIDDLE GEAR SERVICE
8.Inspect:
● Bearing housing 1
Cracks/Damage → Replace bearing hous-
ing assembly.
● O-ring 2
Wear/Damage → Replace.
NOTE:
When the bearing housing assembly is
replaced, be sure to adjust the middle gear
shim(s), refer to the “MIDDLE GEAR SHIM
SELECTION” section.
MIDDLE GEAR SHIM SELECTION
Install the crankcase, middle gears and mid-
dle driven shaft by using shim(s) with their
respective thickness(es) calculated from the
numbers specified on the following parts.
● Crankcase
● Drive pinion gear
● Driven pinion gear
● Reverse gear
● Bearing housing
● Middle driven shaft
Be sure to adjust the middle gear shim(s),
when the following parts replaced.
● Crankcase
● Drive pinion gear
● Driven pinion gear
● Reverse gear
● Bearing housing
● Middle driven shaft
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