Turn the oil seal side to the bottom.
Special Tool - Bearing Driver Set: 57001-1129
Turn the flat side to the bottom.

Turn the stepped edge to upside.
Special Tool - Bearing Driver Set: 57001-1129
Turn the flat side to the bottom.
Tighten: Torque - Transmission Case Bearing Holder Bolts: 4.9 N·m (0.50 kgf·m, 43 in·lb)
Turn the flat side to the bottom.

Spring [A] Washer [B] Gear Positioning Lever [C]

The shift fork [D] for drive shaft has “A2” mark. Turn the mark to the upside.
The shift forks [E] for output shaft have “A1” mark. Turn the mark to the bottom.
The shift forks [F] for output shaft have “A3” mark. Turn the mark to the bottom.

Transmission Assy Disassembly
Transmission Assy InstallationSwingarm Installation
Visually inspect the chain guide [A].
Replace the chain guide if it shows any signs of abnormal
wear or damage.
Apply a non-permanent locking agent to the threads of
the chain guide bolt [B].
Apply plenty of grease to the lip of the oil seals [A].
Be sure to install the oil seals ...
Starter Clutch Inspection
Remove:
Torque Limiter Cover (see Torque limiter Removal)
Turn the torque limiter [A] by hand. The torque limiter
should turn forward freely [B], but should not turn backward.
If the starter clutch does not operate as it should or if it
makes noise, go to the next step.
Disassem ...
Subthrottle Sensor Output Voltage Inspection
Measure the output voltage at the subthrottle sensor in
the same way as input voltage inspection, note the following.
Disconnect the subthrottle sensor connector and connect
the setting adapter [A] between these connectors.
Special Tool - Throttle Sensor Setting Adapter: 57001
-1538
...