Check that the keyway on the end of the camshaft is in good condition and without burrs.

Fit a woodruff key (b) in the keyway of each camshaft.

Fit the pulley (11) on the camshaft, inserting the woodruff key in the in the slot (c) in the pulley.
Apply the recommended grease to the threads on the end of the camshaft.
Repeat the procedure on the other camshaft.

Insert the tool code 88713.1806 Into the pulleys to prevent rotation.
Apply the recommended grease to the mating face of the nut (21).
Fit the nut (21).
Carry out the same operations on the other camshaft.
Important
Always fit new nuts on reassembly.

Using the bush supplied with tool with part no. 88713.1806 And a torque wrench, tighten the ring nuts (21) to the specified torque of 71 nm (min. 64 Nm - max. 78 Nm) (sect. 3 - 3, Engine torque settings).

Insert the fixed tensioners (13), with bearings and washers (7), into the cylinder head pins and tighten the nuts (8) to a torque of 25 nm (min. 22 Nm - max. 28 Nm) (sect. 3 - 3, Engine torque settings).

Undo the locking screws (22) of the pulleys, turning them anti-clockwise through 90 +/- 5.
Check that the pulleys have no end float and can rotate freely at all points along the full length of the slots.

Reassembly of the timing pulleys
Refitting the timing beltsSpecific tools for the frame
88713.1072 Drift to install half bearing in bottom yoke
88713.2562 Chain assembly tool
88713.1058 Wrench for steering shaft nut
88713.1062 Tool for installing steering head bearings
88713.2951 Rear wheel balancing tool
88713.3211 Wrench for adjustment of the eccentric hu ...
Reassembly of structural components and the frame
Check for the nuts with clips (8).
Apply recommended grease on the threads of the adjusters (4) and the ring
nuts (5) having care not to have grease on
the surface (c) of the adjusters.
Tighten the adjusters on the ring nut side opposite to that featuring flats
until bringing the surfac ...
Disassembly of the oil pump
Hold the oil pump (1) in a vice taking care not to damage the drive gear
(12).
Warning
Make sure that vice jaws are faced with soft material.
Remove the plug (14) and extract the spring (16) and by-pass valve (17).
Check the condition of the above components.
Remove the circlip (6) ...