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 beltsAdjusting throttle control free play
The throttle twistgrip must have free play of 1.5×2.0 Mm in
all steering positions, measured on the outer edge of the
twistgrip. If necessary, adjust it using the adjusters (1 and 2,
fig. 135) Located on the headstock on the right-hand side of
the vehicle.
Adjuster (1) is for throttle o ...
Ignition coils
Introduction
The engine control system of the diavel includes two ignition coils: one for
the horizontal cylinder and one for the vertical
cylinder. These coils are installed directly in the spark plug wells. A diode is
installed on the secondary winding inside the
coil, which prevents the un ...
Replacing the high and low beam bulbs
Before replacing a burnt-out bulb, make sure that the new
bulb complies with the voltage and wattage specified in the
"wiring diagram", page 179. Always test the new bulb
before refitting any parts you have removed.
Fig. 150 Shows the locations of the low beam bulbs (lo), high
beam ...