Ducati MULTISTRADA 1260 - Desmodromic Timing System with Variable Timing (DVT)

Desmodromic timing system with variable
timing (DVT)
DESMODROMIC system with four valves per
cylinder controlled by eight rocker arms (four opening
and four closing ones) and two overhead camshafts
with variable valve timing (DVT) both for the exhaust
and intake side. This system is driven by the
crankshaft through spur gears, pulleys and toothed
belts.
Desmodromic timing system
1) Opening (or upper) rocker arm;
2) Upper rocker arm shim;
3) Closing (or lower) rocker arm shim;
4) Return spring for lower rocker arm;
5) Closing (or lower) rocker arm;
6) Camshaft;
7) Valve.
8) Timing Variator.
9) Actuators.
4
1
6
8
9
1 7
7
8
9
5
3
7
2
Fig. 322
377