Desmodromic (type) 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 (fig. 159)

Engine
Performance dataRadiator fan relay
Introduction
The radiator fans are powered via a specific relay, which is enabled by the
engine control unit.
Component assembling position
A injection relay; b etv relay (throttle valve actuator motor), c radiator
fan relay, d engine control unit.
Location of right hand fan connecti ...
Maintenance indicator
This function indicates that the vehicle is about to or has
travelled a distance for which an authorised ducati service
centre should be contacted to have the general maintenance
or oil change performed.
Maintenance table
First warning - oil service 1000 km
The first warning is activated a ...
Starter motor relay
Introduction
When the rider presses the start button, with all the safety conditions
required to enable engine start met, the engine
control unit enables the relay that activates the starter motor.
Component assembling position
Connection on starter motor relay.
Connection wiring diagram
...