Ducati Diavel Owners Manual: Cleaning and replacing the spark plugs
Spark plugs are essential to smooth engine running and should be checked at regular intervals.
The condition of the spark plugs provides a good indication of how well the engine is running.
Have the spark plugs inspected or replaced at a ducati dealer or authorised service centre; they will check the colour of the ceramic insulator of the central electrode (1): an even brown colour is a sign that the engine is in good running order.
Note
Inspect the centre electrode for wear and check spark plug gap, which should be: 0.8×0.1 Mm.
Important
A gap outside the specified limits will adversely affect engine performance and may lead to difficult starting or erratic idling.
Checking engine oil level
Check the engine oil level through the sight glass (1) on the
clutch cover. When checking oil level, the motorcycle should
be perfectly upright and the engine cold. The oil level should
be between ...
General cleaning
To preserve the finish of metal parts and paintwork, wash
and clean your motorcycle at regular intervals, anyway
according to the road conditions you ride in. Use specific
products, where possible ...
Other materials:
Rectifier-regulator
The rectifier (1) is placed in the electrical components compartment.
The rectifier/regulator consists of an aluminium casing containing the diodes
that rectify the current produced by the
alternator. It also contains an electronic device that regulates the current
supplied by the alternator ...
Refitting the evaporative emissions canister
To refit, carry out the removal operations in reverse order, making sure to
locate the hoses as shown in the figures at the
end of the chapter.
Positioning the hoses / clamps and canister filter
...
Adjusting the position of the gearchange and rear brake
pedals
The position of the gearchange and rear brake pedals in
relation to the footrests can be adjusted to suit the
requirements of the rider.
Adjust the pedals as follows:
Gear change pedal (fig. 97)
Hold the linkage (1) and slacken the lock nuts (2) and (3).
Note
Nut (2) has a left-hand thr ...