Bold reference numbers in this section identify parts not shown in the figures alongside the text, but which can be found in the exploded view diagram.

Remove the clutch cover (1) paying attention to the centring bushing (12).

Check the condition of the centring bushing (12) and replace if deformed.

Fit the plug (14) and the gasket (13). Fit the plug (17) and the gasket (15).

If the sealing ring (8) needs to be renewed, fit the new seal into the crankcase cover, positioning it so the side without a spring is facing the circlip (10).

In order for the sealing ring (8) to function correctly, it must have an assembly clearance that allows the circlip (10) to rotate.

Tighten the retaining screw (16) to a torque of 24 Nm (Min. 22 Nm - Max. 26 Nm) (Sect. 3 - 3, Engine torque settings).

Clean and degrease mating surfaces on the clutch-side crankcase half cover and crankcase and ensure that locating bush (12) and the O-ring (11), located in correspondence with the oil way, are installed in the crankcase.

Lock the screws (2), (3) and (5) to a torque of 10 Nm (Min. 9 Nm - Max. 11 Nm) (Sect. 3 - 3, Engine torque settings) in a cross-pattern sequence.