Operation | Section reference |
Separation of the crankcase halves | Separation of the crankcase halves |
Withdraw the selector fork shafts (30).
Move the forks (28) and (29) to disengage them from the slots in the selector drum (13).
Withdraw the selector drum (13) taking care not to lose shims (31) and (27) mounted on the shaft. Note that the positions of the shims must not be inverted.
Now you can renew the needle roller retaining ring (32) and the special needle rollers (14).
Remove gear selector forks (29) and (28).
Remove the gearbox input (2) and output (25) shafts complete with gears, taking care to recover the spacers on the ends of the shafts.
If the bearing inner races (A) are left on the shafts, slide them off the ends of the gearbox input (2) and output (25) shafts (Overhaul of the main bearings).
After removing them from the shafts, install them in the respective outer bearings in the engine crankcase half.