Ducati Diavel 2014, Owner'S Manual

Page: 238 / 253

Timing system
DESMODROMIC system with four valves per
cylinder controlled by eight rocker arms (four opening
and four closing ones) and two overhead camshafts.
This system is driven by the crankshaft through spur
gears, pulleys and toothed belts.
Desmodromic timing system
1) Opening (or upper) rocker arm;
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
1
2
2
2 1
5
3
5
4
7
Fig. 173
237