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:

"Parking" function
This function activates the "parkin"h mode. The "parkin"h function activates the front and rear parking lights when the vehicle is turned off so it is visible when parked. The function is activated by pressing the button (2, fig. 14) ?"´" for 3 seconds du ...

Storing the bike away
If the motorcycle is to be left unridden over long periods, it is advisable to carry out the following operations before storing it away: clean the motorcycle; empty the fuel tank; pour a few drops of engine oil into the cylinders through the spark plug bores, then turn the engine over by hand ...

Tool kit and accessories
The tool kit (2) is located under the seat (1) while the owner’s manual is housed in the compartment under the seat. The tool kit includes: Fuse pliers; Two helmet anti-theft cables; Screwdriver; Screwdriver handle; 14/16 Mm box wrench; 6 Mm rod; 3 Mm allen wrench; 4 Mm allen ...

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