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:

Removal of the steering head components
Note All parts fitted to the top and bottom yokes, including the wiring and control cables, can remain on the motorcycle provided they do not hinder the following operations. Loosen the screws (19) securing the supports (21) and (23) of splashguard (22) to the air conveyors (t). ...

Engine
Twin cylinder, four-stroke, 90 "l" type, longitudinal, with deep sump die-cast crankcase. Bore, mm: 106 Stroke, mm: 67.9 Total displacement, cu. Cm: 1198 Compression ratio: 11.5В±0.5:1 Max power at crankshaft (95/1/ec), kw/hp: 119 kw/162 hp at 9,500 rpm Max torque at crankshaf ...

Removing the frame and the lateral footrests
Loosen the two special screws (6) to separate the frame (1) from the lateral brackets (2) and (3). On the left side of the vehicle block retaining pins (9) and loosen the nuts (8) on the right side at the same time. Slide out the retaining pins (9) and remove the frame (1) from the lateral ...

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