Transmission Shaft Removal
Disassemble the crankcase (see Crankcase Disassem-
Pull out the shift rods [A] allowing the shift fork guide pins
to free from the shift drum [B].
Remove the shift forks [C].
Remove the shift drum.
Pull out the drive shaft [A] and output shaft [B] together
with their gears meshed.
Transmission Shaft Installation
Apply engine oil to the sliding portion of the transmission
shaft, gears, and ball bearings.
Install the drive shaft [A] and output shaft [B] in the right
crankcase half with their gears meshed.
Install the shift drum.
Apply a small amount of engine oil to the shift fork fingers
and fit each shift fork into the groove of the proper gear.
The shift forks can be identified by their shape or mark.
Install them noting the direction shown.
Install each shift forks with its marks [A] facing the engine
043 (Drive shaft)
044 (Output shaft)
Fit each shift fork guide pin into the corresponding groove
in the shift drum.
Apply a small amount of engine oil to the shift rods [A] and
slide them into the shift forks.
Assembly the crankcase (see Crankcase Assembly).