Turn away bolts of fastening of a case of camshafts.
Detach the camshaft housing using a crankcase separator with silicone seals (Mot. 1716) (3). Remove the crankcase distribution rooms (4).
Remove camshafts (5) and rocker axles.
Clean the mating surfaces of the camshaft housing with a solvent.
Remove residue with a plastic spatula.
Finish cleaning the mating surfaces with a matting wheel.
Install the camshafts by placing the tabs (7) up.
Apply a bead of 4 mm silicone sealant (8) along the perimeter of the mating surface of the camshaft crankcase and spark plug wells.
Install the camshaft housing and its mounting bolts.
Pre-tighten in this order to the correct torque:
- first pre-tightening 2 Nm;
- second pre-tightening 6 Nm.
Tighten finally the required moment in the specified order bolts of fastening of 10 Nm.