Ducati SPORT 1000 Manuel D'utilisation page 140

Engine
Twin cylinder, four-stroke, 90° "L" type, longitudinal.
Bore, mm:
94.
Stroke, mm:
71.5.
Total displacement cu. cm:
992.
Compression ratio
±0.5:1:
10.0.
Max. power at crankshaft (95/1/EC):
61 kW - 83 HP at 8,000 rpm.
Max torque at crankshaft (95/1/EC):
83 Nm - 8.5 Kgm a 6,000 rpm.
Important
Do not exceed specified rotation speed limits under
any running condition.
Timing system
Desmodromic (type) with two valves per cylinder,
operated by four rockers (2 opening rockers and 2 closing
rockers) and one overhead camshaft. It is operated by the
crankshaft through spur gears, belt rollers and toothed
belts.
Desmodromic timing system (fig. 60)
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
2
3
4
6
5
7
8
fig. 60
E
65