Engine; Timing System - Ducati Diavel ABS 2012 Owner's Manual

Engine

Twin cylinder, four-stroke, 90° "L" type, longitudinal,
with deep sump die-cast crankcase.
Bore:
4.17 in (106 mm)
Stroke:
2.67 in (67.9 mm)
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 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
(fig. 172)
2 1
3
5
4
7
fig. 172
207