73
E
Engine
Longitudinal 90º “L” twin cylinder, four-stroke.
Bore (mm):
94.
Stroke (mm):
71.5.
Total displacement cm
3
:
992.
Compression ratio ±0.5:1:
10.0.
Max power at crankshaft (95/1/EC):
61 kW - 83 CV at 8,000 rpm.
Max torque at crankshaft (95/1/EC):
83 Nm – 8.5 kgm at 6,000 rpm.
Important
Do not exceed the specified rpm limits in any running
conditions.
Timing system
Desmodromic with two valves per cylinder, operated by
four rocker arms (two opening rockers and two closing
rockers) and one overhead camshaft. Driven by the
crankshaft through spur gears, timing belt pulleys and
toothed timing belts.
Desmodromic timing system
(fig. 63)
1) Opening (or upper) rocker arm;
2) opening shim;
3) half rings;
4) closing (or lower) shim;
5) return spring for closing rocker;
6) closing (or lower) rocker arm;
7) camshaft;
8) valve.