Ducati Diavel
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Ducati Diavel Service Manual: Overhaul of the gearbox

Check the condition of the front coupling dogs of the gears. They must be in perfect condition and with no sign of wear on the edges of the teeth.

The idler gears must rotate freely on their shafts.

When refitting, make sure the circlips are correctly positioned.

Check the needle roller bearings for wear.

The threads and splines of the shafts must be in perfect condition.

Also check that the component parts of the gear selector mechanism are in good condition.

Engage

Overhaul of the gearbox


Engage the gears and check that the gearchange mechanism does not stick (selector fork - gear groove, and fork pin - desmodromic drum groove) due to incorrect end float. Restore the correct end float by shimming the gearbox shafts and the selector drum with suitable shims.

For the total gearbox shaft and selector drum end clearance values, refer to sect. 3 - 1.1, Gearbox.

Disassembly of the gearbox shafts
Place the shaft in a vice in such a way as to facilitate the disassembly operations. Important Take care not to invert the positions of the shims on reassembly: this would potentially lead to jam ...

Inspection of the gear selector forks
Visually inspect the gear selector forks. Bent forks must be renewed as they may lead to difficulties in gear changing or may suddenly disengage when under load. Use a feeler gauge to check the ...

Other materials:

Refitting the cylinder/piston assembly
If new units are used, it is necessary to couple the cylinders and pistons of the same selection (see paragraph "overhaul Of the cylinder barrel/piston components" of this section). If the pistons have been separated from their cylinders, before reassembling these components, position the p ...

Refitting the front brake master cylinder
Insert the front brake master cylinder unit (1) on the right side of the handlebar to bring the terminal internal edge in correspondence to the bolted joints (a). Fit the terminal (12) on the handlebar inserting the screws (15). Tighten the terminal (12) retaining screws to a torque of 10 ...

Adjusting of the air-gap phonic wheel sensor
(For front as well as rear sensor) in each case of maintenance that foresees: Replacement or refitting of the wheel Replacement or refitting of the phonic wheel (1) or (2) Replacement or refitting of the brake discs Replacement or refitting of the speed sensor (3) or (4) (Front) replacem ...

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