Loctite 573 (page 2 of 6)

1. Straighten the caulking of the main and layshaft ring nuts.
2. Lock the gearbox shafts by engaging 5th gear by hand (pressing the fork on the main shaft) and engaging a speed using the selector lever.

NOTE: Engagement of two speeds at the same time leads to a locking of the gearbox shafts; this operation is necessary in order to unlock the nuts which hold the gears.

3. Remove the bolt securing the 5th speed engagement fork to the main shaft.
4. Loosen the main and layshaft ring nuts.
5. Return the main shaft fork to the idle position.

NOTE: Returning the main shaft fork to the idle position is necessary to prevent the loss of the synchronizer rollers.

24 ÷ 31 Nm
(2.45 ÷ 3.16 kgm)

113 - 145 Nm
(11.51÷14.78 kgm)

1. Remove the ring nuts securing the main and layshaft gears.
2. Remove the hub, fork and sleeve and 5th speed gears.
3. Withdraw the 5th speed drive gear roller bearing with the bushing.
4. Unscrew the bolt securing the rear bearings retaining plate to the gearbox and remove the plate.

24 - 31 Nm
(2.45 ÷ 3.16 kgm)