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 InstallationFront Fork Oil Change
Remove the front fork (see Front Fork Removal (Each
Fork Leg)).
Turn the spring preload adjuster fully counterclockwise for
removing the piston rod assy easily.
Hold the inner tube lower end in a vise.
Using the wrench [A], unscrew the top plug [B] out of the
outer tube.
Special Too ...
Cam Wear Inspection
Remove the camshafts (see Camshaft Removal).
Measure the height [A] of each cam with a micrometer.
If the cams are worn down past the service limit, replace
the camshaft.
Cam Height
Standard:
Exhaust 35.043 35.157 mm
(1.3796 1.3841 in.)
Intake 38.243 38.357 mm
(1.5056 1.5101 in. ...
Engine Oil Flow Chart
1. Oil Screen
2. Oil Pump
3. Oil Pressure Relief Valve
4. Oil Filter
5. Oil Pipe
6. Oil Cooler
7. Balancer Oil Passage
8. Main Oil Passage
9. Crankshaft Oil Passage
10. Oil Pressure Switch
11. Camshaft Oil Passages
12. Drive Shaft Oil Passage
13. Output Shaft Oil Passage
14. Starter ...