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 external components
Fit the cap (39) on spring (38) until it engages.
Mount ball (40), spring (38) with cap (39), washer (37) and screw (36) on the
chain side half-casing by starting the
screw into hole (f).
Note
The spring (38), with cap (39), must be oriented as shown.
Tighten the screw fully home to a torqu ...
Shimming the shafts
Before assembling the crankcase halves, calculate the shims required to
obtain the correct end float of the crankshaft and
gearbox shafts.
To determine the correct shim thickness proceed as follows.
Shimming the crankshaft
After having installed the new main bearings (with bushing (a) or ...
Removal of the cylinder/piston assembly
Loosen the clamps (7) and remove the hoses (8) and (9) from the cylinder
barrels (10) and from the alternator-side
crankcase cover.
If damaged, unscrew the unions (6).
Note
The following procedure is described with the engine removed from the
frame and the cylinder head r ...