Crankcase Bearing Replacement; Transmission Bearing Inspection - Honda 1988 Z50R Service Manual

TRANSMISSION / CRAN KSHAFT / KICKSTARTER
TRANSMISSION BEARING INSPECTION
Turn the inner races of the bearings with your f inger.
The bearings should turn smoothly and quietly.
Also check that the outer fBces of the bearings fit tightly in the
crankcase.
Replace the bearings if they do not turn smoothly and quietly,
or
if
they have been spinning in the crankcase.
CRANKCASE BEARING REPLACEMENT
Remove the oil pump drive shaft and drive spro cket.
Remove the crankshaft.
Remove the countershaft oil seal.
Drive the countershalt and mainshaft bearings out of the left
crankcase.
Drive the mainshaft and countershaft bearings out of the right
crankcase.
Drive new bearings into the crankcase.
TOOLS
Driver
Attachment. 37 x 40 mm
Pilot. 17 mm
07749 - 0010000
07146 - 0010200
07746 - 0040400
Instal! a new left countershaft oil seal in the left crankcase and
grease the oil seal lip.
Install the oil pump drive shaft and drive sprocket and the
cranksh aft .
Apply dean engine oil to the transmission gears and shift drum.
Install the transmission and shih drum in the left crankcase as
an assembly.
Rotate the shift drum to check the transmission operation.
Install the kickst arter.
10-10