Shift Drum and Fork Installation
Insert the shift drum [A] into the crankcase part way, install
the 3rd/4th shift fork [B] with the longer side [C] facing the
neutral switch, i.e., the longer side goes onto the drum
Push the shift drum in the rest of the way.
Apply a non-permanent locking agent to the threads of
the holding bolts, and tighten them.
Torque - Shift Drum Bearing Holding Bolts: 11 N·m (1.1
kgf·m, 95 in·lb)
Put the shift fork guide pin [A] with the pin hole upward
into the 3rd/4th shift fork. The guide pin rides in the middle
groove of the three shift drum grooves.
Insert a new cotter pin through the 3rd/4th shift fork and
guide pin from the shorter side of the shift fork, and spread
the cotter pin longer side.
Install the washer, spring, gear positioning lever, collar
Set the shift drum in the neutral position, that is, fit the
gear positioning lever [A] into the detent [B] on the shift
drum cam [C].
Install the shift shaft.
Apply a little engine oil to the shift rod and shift fork ears.
Insert the shift rod [A], running it through the shift forks
[B], fitting each shift fork guide pin into the shift drum
groove. The shift forks are identical, and must be installed
with their longer sides [C] facing toward the external shift