Ducati Diavel
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Ducati Diavel Owners Manual: Cleaning and replacing the spark plugs

Ducati Diavel Owners Manual / Main maintenance operations / 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.

Cleaning and replacing the spark plugs


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:

Refitting the oil pump
If removed, apply specific threadlocker on the bushing (7) outer thread, and screw it in the crankcase half, observing the height. Position the reference bushings (15) and the oil sealing o-rings (2) and (4) according to the crankcase lubrication channels. Position the oil pump on th ...

Reassembly of the oil pump
Check that the circlip (3) and tongue (13) are present on the pump. Fit the pump drive gear (12) on to the oil pump and secure it by installing the circlip (6) in its groove. Insert the by-pass valve pump (17), the spring (16) and screw the plug (14). Tighten the plug (14) to a torque of ...

Refitting the alternator-side crankcase cover
Before the assembly make sure that the water pump unit is fitted on the generator cover (sect. 9 - 3.3, Refitting the water pump). If bearing (27) has been removed, lubricate its seat with specified grease to fit it on the generator cover (13). Fit bearing completely in its seat and orien ...

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