If it is necessary to replace the standardized input shaft seals located above the oil guide plate in the gearbox housing, this must be done before the input shaft is assembled.
1. Install the needle bearing and 3rd gear.
2. Install the synchronizer parts: the first blocking ring, the first circlip, the hub, the second circlip, the second blocking ring and the 3/4 shift clutch.
3. Install the 4th gear.
4. Install the first needle bearing, lip seal and second needle bearing.
5. Install the 5th gear.
6. Install the 5th gear synchronizer parts: blocking ring, snap ring, clutch and hub.
7. Install the ball bearing.