Timing System - Ducati DIAVEL Owner's Manual

Timing system

DESMODROMIC with four valves per cylinder,
operated by eight rocker arms (four opening rockers
and four 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.
228
6
2
1
2 5
2 1
3
5
4
7
Fig. 169