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62
E
Engine
Twin cylinder, four-stroke, 90° “L” type, longitudinal.
Bore mm:
100
Stroke mm:
63.5
Total displacement cu.cm.:
998
Compression ratio:
1:11.4±0.5
Max. power at crankshaft (95/1/EC) kW/CV:
100/136 at 10.200 rpm
Max torque at crankshaft (95/1/EC):
10.3 Kgm at 8000 rpm
Max. rotation speed:
10.500 rpm
Important
Do not exceed specified rotation speed limits under
any running condition.
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.
5
3
6
1
2
4
7
Desmodromic timing system (fig. 44)
1) Opening (or upper) rocker.
2) Opening rocker shim.
3) Closing (or lower) rocker shim.
4) Return spring for lower rocker.
5) Closing (or lower) rocker.
6) Camshaft.
7) Valve.
fig. 44