Engine; Timing System - Ducati MONSTER S4R Manuel D'utilisation Et Entretien

Engine

Twin cylinder, four-stroke, 90° "L" type, longitudinal.
Bore:
98.
Stroke:
66.
Total displacement cm
996
Compression ratio:
11,2±0,5:1.
E
Max power at crankshaft (95/1/EC):
86.4 kW -117 HP at 8,750 rpm
Max torque at crankshaft (95/1/EC):
95.5 Nm (9.68 Kgm) at 7000 rpm.

Timing system

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.
66
3
:
Desmodromic timing system (fig. 65)
1) Opening (or upper) rocker;
2) opening rocker shim;
3) split rings
4) closing (or lower) rocker shim;
5) return spring for lower rocker;
6) closing (or lower) rocker;
7) camshaft;
8) valve.
1
7
6
4
8 3
1 5
2
6
fig. 65