Removal
Shift the transmission into neutral.
Remove the right crankcase cover (page 10-13).
Remove the clutch (page 10-15).
Remove the bolt and gearshift arm from the gearshift spindle.
Remove the gearshift spindle and thrust washer.
Lift up the stopper arm using a screwdriver to avoid damaging the crankcase and remove the shift drum center socket bolt.
Lift up the stopper arm using a screwdriver to avoid damaging the crankcase and remove the shift drum center.
Remove the dowel pin.
Remove the stopper arm bolt, return spring, washer and arm.
Inspection
Check the gearshift spindle for bends.
Check the spindle plate for wear or damage.
Check the return spring for fatigue or damage.
Installation
Install the return spring, washer, stopper arm and arm bolt.
Tighten the stopper arm bolt to the specified torque.
Torque: 12 N·m (1.2 kgf·m, 9 lbf·ft).
Install the dowel pin.
Lift up the stopper arm using a screwdriver to avoid damaging the crankcase and install the shift drum center socket by aligning the pin groove in the shift drum center with the dowel pin.
Apply locking agent to the shift drum center socket bolt threads.
Install and tighten the shift drum center socket bolt to the specified torque.
Torque: 23 N·m (2.3 kgf·m, 17 lbf·ft).
Install the thrust washer onto the gearshift spindle. Insert the spindle to the crankcase, aligning the return spring ends with the spring pin.
Install the gearshift arm onto the spindle, aligning the slit of the arm with the punch mark on the spindle.
Tighten the change pedal pinch bolt to the specified torque.
Torque: 12 N·m (1.2 kgf·m, 9 lbf·ft).
Install the clutch (page 10-21).
Install the right crankcase cover (page 10-14).