Ducati Scrambler 800 - Service manual > Refitting the timing outer covers

Position the vertical timing belt cover (3) on the engine.

Start screw (1) on the cover.

Position the horizontal timing belt cover (2) on the engine.

Tighten the screws (1) to a torque of 10 Nm (Min. 9 Nm - Max. 11 Nm).

Refit the exhaust system (Refitting the exhaust system).

Refitting the timing belts

To refit the timing belts refer to paragraph "Replacing the timing belts".

Refitting the cylinder heads pulleys/idler pulleys

Fit snap ring (20) on the timing layshaft on the pulley side.

To guide it in its position, use protection cap no. 88700.5749 and the supplied drift.

Fit spacer (19) with the recess facing the casing.

Position the first keyway (18), the internal pulley (17), the guide washer (16) and the second keyway (15) on the timing layshaft.

Then fit the external pulley (14) of the external spacer (13) and of the lock ring nut (12).

Important To prevent the ring nuts from loosening and consequent serious engine damage, always use new self-locking ring nuts on all the timing pulleys.

Block with the key of tool (A) no. 88700.5644 the pulley rotation and use the bush inserted in a torque wrench to tighten the self-locking ring nut to a torque of 71 Nm (Min. 64 Nm - Max. 78 Nm).

Reassembling the timing pulleys

For the reassembling operation, fit pulley (23) on hub (24), making the pulley reference point (A) coincide with the hub reference mark (B).

Fit washer (22) fully home on the pulley, aligning the reference notch (C) with pulley reference point (A) and hub reference mark (B).

Tighten screws (21) in the hub threaded holes.

Refitting the timing layshaft pulley

If it has been removed, apply specified threadlocker to fixed tensioner (11) and tighten it to a torque of 20 Nm (Min. 18 Nm - Max. 22 Nm).

Check that the tab seat on the end of the camshaft is in good condition and without burrs. Fit a key (1) in the keyway of the camshaft.

Fit the pulley assembly (10) on the camshaft and push it fully home.

Warning Ensure that the keyway does not accidentally slip out of its seat.

Insert tool 88713.3152 in the pulleys to block its rotation.

Apply a thin layer of specified grease on the thread and on the underhead of ring nut (8), fit washer (9) and the ring nut.

Removing the timing layshaft pulleys

Important Always fit new nuts on reassembly.

Use the bush of tool no. 88700.5644 and a torque wrench to tighten ring nuts (8) to 71 Nm (Min. 64 Nm - Max. 78 Nm).

Removing the timing layshaft pulleys

Block with the key of tool (A) no. 88700.5644 the driving pulley rotation on the crankcase and use the tool bush to loosen the retaining ring nut (12).

Remove ring nut (12), washer (13) and the outer pulley (14).

Remove the first key (15) located on the timing layshaft.

Remove the spacer (16) and the inner pulley (17).

Remove the second key (18) located on the timing layshaft.

Remove spacer (19) and snap ring (20).

Disassembling the camshaft pulleys

To disassemble the pulley, loosen and remove the three screws (21), slide out washer (22) and pulley (23) from flange (24).

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