Ducati Diavel Owners Manual: Timing system
Desmodromic (type) with four valves per cylinder, operated by eight rocker arms (4 opening rockers and 4 closing rockers) and two overhead camshafts. It is operated by the crankshaft through spur gears, belt rollers and toothed belts.
Desmodromic timing system (fig. 159)
- Opening (or upper) rocker.
- Opening rocker shim.
- Closing (or lower) rocker shim.
- Return spring for lower rocker.
- Closing (or lower) rocker.
- Camshaft.
- Valve.
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 ...
Performance data
Maximum speed in any gear should be reached only after the
correct running-in period with the motorcycle properly
serviced at the recommended intervals.
Important
Failure to follow these instruct ...
Other materials:
Refitting the flywheel-alternator assembly
Fit the roller cage unit (20) with washer (18) and internal ring (19),
applying prescribed grease on the washer (18).
Install the roller cage assembly (20) with the washer (18) and inner race
(19).
Install the flywheel assembly (v) with the gear (21), aligning the notches as
shown in ...
Removal of the cylinder heads
Using the tool code 88713.2676, Undo the nuts (21) on the cylinder head stud
bolts.
Remove the cylinder head nuts (21) and special washers (22).
Remove the cylinder head assembly by lifting it off the engine studs.
Repeat the same procedure for the other cylinder head. ...
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 ...