Engine; Timing System - Ducati Diavel Owner's Manual

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:
11.5±0.5:1
Max power at crankshaft (95/1/EC), kW/HP:
119 kW/162 HP at 9,500 rpm
Max torque at crankshaft (95/1/EC):
13 kgm/128 Nm at 8,000 rpm
Maximum rpm:
10,800
Important
Do not exceed the specified rpm limits in any running
conditions.

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
1) Opening (or upper) rocker.
2) Opening rocker shim.
3) Closing (or lower) rocker shim.
4) Return spring for lower rocker.
5) Closing (or lower) rocker.
6) Camshaft.
7) Valve.
6
2
1 5
E
(fig. 163)
2 1
3
5
4
7
fig. 163
177