Ducati Diavel
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Ducati Diavel Service Manual: Spark plugs replacement

Check the colour of the ceramic insulation around the central electrode: an even, light brown colour indicates the engine is in good condition and running at the right temperature.

Inspect the centre electrode for wear and check spark plug gap, which should be: 0.8+/-0.1 Mm.

Spark plugs replacement


Important

Check the gap between the central and side electrodes. Replace the spark plug if taken value is different from the specified one or the spark plug shows clear signs of carbon settling.

Important

Do not use spark plugs with inadequate thermal rating or incorrect thread length.

The spark plug must be securely installed.

If a spark plug is loose, it can overheat and damage the engine.

Spark plug type

Make: ngk

Type: mar9a-j

Spark plugs replacementSpark plugs replacement


Remove the coil-spark plugs wires (1), loosening the screws (2) of both spark plugs.

Using the appropriate tool 88713.2877 To replace the spark plugs.

Spark plugs replacement


Spark plugs replacement


Place the coil-spark plugs wires (1) in the relevant seats and tighten the screws (2) to a torque of 10 nm (min. 9 Nm - max. 11 Nm) (sect. 3 - 3, Engine torque settings).

Spark plugs replacement


Spark plugs replacement


Spark plugs replacement


Checking valve clearances
To check the valves clearance, it is necessary to have access to the cylinder head covers and then remove the components listed below. Unscrew the two fixing screws (1) of the cover (2) accord ...

Changing and cleaning the air filters
The air filter must be replaced at the intervals described in the "scheduled maintenance chart" (sect. 4 - 2). Work on the vehicle right side, loosen screws (1) that secure the intake duct (2 ...

Other materials:

Changing bulbs
Changing the headlight bulbs Before replacing a burnt out light bulb, ensure that the replacement bulb has the same voltage and power rating as specified for the lighting device in question (sect. 3 - 1.1, Lights/instrument panel). Warning The halogen light bulbs in the headlight become hot ...

Refitting the handlebar
Position the handlebar (4) so that the external lower corner of the marks (a) on the handlebar matches the upper internal corner of the lower u-bolts (b) as shown. Apply the recommended grease to the threads and undersides of the heads of the screws (3). Important Position the upper u-bo ...

Residual range indication when the service is due
After resetting the first oil service warning (triggered at 1000 km), upon every key-on the system displays the indication of which type of service should be performed next (oil service or desmo service) and the residual range. A (green) warning (1, fig. 32) Is activated for 2 seconds on ever ...

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