Main shaft

The main shaft consists of:

1st, Reverse and 2nd speed gears

3rd, 4th, 5th speed gears, fitted on needle bearings with the synchronizers

3rd, 4th and 5th speed gears fitted on the shaft make it possible to:

reduce shift loads during synchronisation

reduce gearbox noise while in neutral.

The main shaft is supported by means of two ball bearings.

The co-axial clutch device is fitted to the end of the main shaft [ 1820 ( Characteristic of working principle 1820 Clutch release controls)].