Preliminary operations

NOTE: The dis-assembly procedures described refer to the right-hand cylinder head. Proceed in the same way to dis-assemble the left-hand head.

PRELIMINARY OPERATIONS

1. Clamp swivel support no. 1.820.012.000 (A.2.0195) in a vice.
2. Install fork no. 1.820.050.000 (A.2.0360) on the swivel support.
3. Fit the cylinder head on the fork studs and lock it in place using two suitable spacers and two nuts.
4. Slacken the fastening screw and remove the engine fitting bracket.

1. Levering with tool no. 1.822.146.000, slacken the oil pump drive pulley fastening bolt.
2. Withdraw the oil pump drive pulley and the core-sponding shaft.
3. Retrieve the toothed gear.
4. Retrieve the spacer.
5. Prise and remove the oil ring.

DRIVE PULLEY

(Specific for the right-hand cylinder head)

1. Slacken the fastening nuts and remove the camshaft caps.

16 + 18 Nm
1.6 ÷ 1.8 kgm

THE CAMSHAFT

When refitting, insert a new oil ring using tool no. 1.821.126.000 (A.3.0525).

18 + 22 Nm
1.8 ÷ 2.3 kgm