Ducati Diavel Service Manual: Adjusting the chain tension
Make the rear wheel turn until you find the position where chain is tightest. Set the vehicle on the side stand. Push down the chain at the point of measurement and release. Measure the distance between the "aperture" upper profile and pin centre.
The read distance must be: 9 to 11 mm.
Important
If the drive chain is too tight or too slack, adjust it so that tension reading will fall within specified range.
To adjust the tension remove the rear splash guard (sect. 7 - 13, Removal of the swingarm).
Slacken off the two clamp screws (1) that secure the rear wheel hub to the swingarm.
Fit the hook spanner code 88713.1038 Inserting its tooth in the eccentric hub (2).
Rotate the eccentric hub (2) to obtain the correct chain tension.
Turn counter clockwise to tighten the chain; clockwise to loosen (from chain side).
Important
An incorrectly tensioned chain will lead to accelerated wear of the transmission components.
If the screws (1) are removed, lubricate with specified grease underhead and thread, then tighten the screws (1) to the torque of 35 nm +/- 5% (sect. 3 - 3, Frame torque settings) proceeding with sequence 1-2-1.
Warning
The correct tightening of the fixing screws of the eccentric hub is essential for the safety of the rider and the passenger (sect. 3 - 3, Frame torque settings).
Refit the rear splash guard (sect. 7 - 13, Refitting the swingarm).
Adjusting the steering head bearings
Excessive handlebar play or shaking forks in the steering head indicate that
the play in the steering head bearings
requires adjustment. Proceed as follows:
loosen the clamp screw (1) that holds t ...
Checking brake pad wear and changing brake pads
Warning
Brake fluid is corrosive and will damage paintwork. Avoid contact
with eyes and skin. In the case of accidental contact,
wash the affected area thoroughly with plenty of running water.
Im ...
Other materials:
Key-on/key-off using the red key on the handlebar with the passive key
A key-on can be performed by pressing the red button (6) on
the handlebar in the hands free on/off position and in
the presence of the passive key (4, fig. 77).
Note
The passive key (4, fig. 77) Has a range of a few cm,
therefore the key (4, fig. 77) Must be positioned near the
antenna (2). R ...
Reassembly of the cylinder head
The exhaust side can be identified by the three threaded holes on the flange.
The intake side can be identified by the presence of four threaded holes on
the flange.
All the photos in this chapter refer to a vertical cylinder head.
Valve guide sealing rings
Position the cylinder head o ...
Checking brake and clutch fluid level
The levels should not fall below the min marks on the
respective reservoirs.
If the level is too low, air can get into the circuit, thus
impairing the efficiency of the system.
Brake and clutch fluid must be topped up and changed at the
intervals specified in the scheduled maintenance table ...