Engine
90 degree twin cylinder four stroke, 1000cc, Desmodromic
valve gear, electronic fuel injection, air cooled.
Bore:
94
Stroke:
71,5
E
Total displacement cm
992
Compression ratio:
10.5 ± 0.5:1
Max power at crankshaft (95/1/EC):
62 kW - 84 CV at 8,000 rpm
Max torque at crankshaft (95/1/EC):
84 Nm - 8.5 Kg at 5,000 rpm
Max rotation speed, rpm:
8700
Important
Do not exceed specified rotation speed limits under
any running condition.
Timing system
Desmodromic with two valves per cylinder, operated by
four rocker arms (two opening rockers and two closing
rockers) and one overhead camshaft. It is operated by the
crankshaft through spur gears, belt rollers and toothed belts.
86
3
:
Desmodromic timing system (fig. 77)
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. 77