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 dataDisassembling the water radiator unit
The procedure is the same for both radiators.
Loosen the screws (15), (21) and (25) to remove the air duct (24) from the right
radiator (13).
Undo the screws (12) and (14) to remove the half-fairing (23) from the
radiator.
Radiator inspection
Visually inspect the oil co ...
Refitting the timing covers
Locate vertical cylinder external cover (25), horizontal cylinder external
cover (3) and central external cover (1) by
starting the screws (4).
Apply the recommended threadlocker to the screws (4).
Tighten the screws (4) to a torque of 10 nm (min. 9 Nm - max. 11 Nm) (sect. 3 -
3, Engine t ...
Adjusting the front fork
The front fork used on this motorcycle has rebound,
compression and spring preload adjustment.
The settings are adjusted using external adjuster screws.
To adjust rebound damping (fig. 109);
To adjust spring preload (fig. 109);
To adjust compression damping (fig. 110).
Park the mo ...