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:
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 ...
Lap registration function
This function describes the "lap" time registration.
If the function is activated (see "lap activation/deactivation description), the
lap time can be registered as follows:
pressing the flash headlight button (6) the first time starts the "lap timer"
for the first lap, and the dashboard show ...
Injection relay
Introduction
The fuel pump, injectors and ignition coils are all powered via the injection
relay. The relay also sends voltage to the
engine control unit, which enables activation of the relay itself.
Component assembling position
A injection relay; b etv relay (throttle valve actuator mot ...