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 dataReassembling the water radiator unit
The procedure is the same for both radiators.
Check the presence of clips (1) at the positions of the external coolant
radiator cover (23).
If removed, fit the front turn indicator (32) on the cover (23) and tighten the
screws (27) to 2 nm +/- 10% (sect. 3 - 3,
Frame torque settings).
No ...
Operating principle and characteristics of the ride-by-wire system
The engine control system of the diavel uses a ride-by-wire system with
motorised throttle valves. This eliminates all
direct connection with metal cables between the throttle grip and the throttle
valves themselves. Cables are used to
rotate the aps potentiometer, which generates an electric ...
Refitting the starter motor gear
Position the washer (20) and the gear (19) in the pin (21) and take the pin
into contact with the crankcase half.
...