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Reassembling the crankcase halves
The crankcase halves must be in good condition and perfectly clean. The mating surfaces must be perfectly
flat and free from burrs.
Refitting the clutch-side crankcase half
The following parts must be present on the internal side of the crankcase half:
- the secondary shaft end bearing (12); apply grease on the bearing rollers. Drive the inner race (34),
removed previously, fully home in the bearing. Apply grease to the inner race;
- the primary shaft bearing (13), secured with the screws (19) and the retaining spacer (17); apply
recommended threadlocker to the screws (19), and tighten to a torque of 10 Nm (Min. 9 Nm - Max. 11
Nm);
- the roller bearing (16) with circlip (35) installed at the timing layshaft.
Refitting the generator-side crankcase half
The following parts must be present on the internal side of the crankcase half:
- the double-race ball bearing (11) supporting the selector fork shaft.
Apply threadlocker to the screws (20). Fit retainer plate (36) on gearbox secondary shaft bearing (11)
starting the screws (20) on chain-side crankcase half.
Note
The bearing retainer plate must be positioned with the holes tapering facing upwards.
Tighten the screws (20) to a torque of 10 Nm (Min. 9 Nm - Max. 11 Nm). The gearbox primary shaft end
bearing (14) with inner spacer (21): apply grease on the bearing needle rollers.
Drive the inner race (37), removed previously, fully home in the bearing.
Apply grease to the inner race.
The main bearing (9).
The ball bearing (15) with circlip (36) at the timing layshaft, aiming it so that the plastic cage closed side is
facing the crankcase half.
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