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:

Removing the timing belt driveshaft pulleys
Use the tool code 88713.1805 To hold the driving pulley on the engine crankcase against rotation. Important If this operation is carried out with the engine installed in the frame, hold the driveshaft pulleys against rotation using the tool code 88713.2011 Mounted on the alternator cover. Lo ...

Indicator cons. Avg - average fuel consumption
This function indicates the "average" fuel consumption. The calculation is made considering the quantity of fuel used and the km travelled since the last trip 1 reset. When trip 1 is reset, the value is set to zero and the first available value is shown on the display 10 seconds after the re ...

Disassembly of rear shock absorber - rocker arm - linkage assembly
Undo the screw (15) and remove the rear shock absorber (11) from the rocker arm (18). Undo Undo the screw (14) and the nut (21) and remove the linkages (10) and (12) from the rocker arm (18). The rocker arm movement is obtained by needle roller bearings (9) rotating on a spacer (1 ...

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