Engine
1
Longitudinal 90º "L" twin cylinder, four-stroke.
Bore, mm: 88
Stroke, mm: 66
Total displacement cu. cm: 803
Compression ratio: 11±0.5:1
Max power at crankshaft (95/1/EC):
5
2
64 kW - 87 HP at 8,250 rpm
7
8
3
Max torque at crankshaft (95/1/EC):
78 Nm - 8 Kgm at 6,250 rpm.
4
6
Timing system
DESMODROMIC with two valves per cylinder,
Fig. 108
operated by four rocker arms (two opening rockers
and two closing rockers) and one overhead camshaft.
8) Valve.
It is operated by the crankshaft through spur gears,
belt rollers and toothed belts.
Desmodromic timing system
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
142