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70
E
Engine
Twin cylinder, four-stroke, 90° “L" type, longitudinal.
Bore, mm:
88;
Stroke, mm:
66.
Total displacement cu. cm:
803.
Compression ratio
±0.5:1:
10.5.
Max. power at crankshaft (95/1/EC):
54.8 kW - 74.5 HP at 8,250 rpm
Max torque at crankshaft (95/1/EC):
70 Nm - 7.1 Kgm at 6,250 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. 67
)
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. 67
DUCum_SS800#####07###e.book Page 70 Wednesday, April 12, 2006 5:00 PM
Summary of Contents for Super Sport SS800
Page 1: ...E Owner s manual DUCum_SS800 07 e book Page 1 Wednesday April 12 2006 5 00 PM...
Page 2: ...E DUCum_SS800 07 e book Page 2 Wednesday April 12 2006 5 00 PM...
Page 83: ...E USA Label location fig B 3 6 5 DUCum_SS800 07 e book Page 83 Wednesday April 12 2006 5 00 PM...
Page 84: ...E USA 1 4 2 3 5 6 DUCum_SS800 07 e book Page 84 Wednesday April 12 2006 5 00 PM...
Page 89: ...DUCum_SS800 07 J book Page 80 Tuesday April 11 2006 5 51 PM...