Timing System - Ducati superbike 899 panigale Owner's Manual

Timing system

Double overhead camshaft (DOHC) driven by chain
and gearwheels, 4 valves per cylinder, desmodromic
system.
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.
254
6
2
1
2 5
2 1
3
5
4
7
Fig 160