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.
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
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.
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).
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:
Operating principle and characteristics of the ride-by-wire system
The engine control system of the diavel uses a ride-by-wire system with
motorised throttle valves. This eliminates all
direct connection with metal cables between the throttle grip and the throttle
valves themselves. Cables are used to
rotate the aps potentiometer, which generates an electric ...
Units of measurement modification function
This function allows you to change the units of measurement
of the displayed values.
To access the function it is necessary to view the "setting" menu page 48, using
button (1, fig. 14) ?"" or (2, fig.
14) ?" " select the "set units" function
and pre ...
Tips on how to select the sensitivity level
Warning
The 8 level settings of the dtc were calibrated using
tyres of the same make, model and size as those originally
fitted to the motorcycle.
The use of tyres of different size to the original tyres may
alter the operating characteristics of the system.
In the case of minor differenc ...