Engine (998); Timing System (998) - Ducati 998 2002 Mode D'emploi

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Engine
Twin cylinder, four-stroke, 90° "L" type, longitudinal.
Bore mm:
88
Stroke mm:
61.5
Total displacement cu.cm.:
748
Compression ratio:
1:11.5±0.5
Max. power at crankshaft (95/1/EC):
71.3 kW - (97HP) at 11000 rpm
Max torque at crankshaft (95/1/EC):
7.5 kgm at 9000 rpm
Max. rotation speed:
11500 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.
Desmodromic timing system (fig. 68)
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
7
6
4
8
748/748S
2
1
6
3
5
fig. 68
E
63

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Ce manuel est également adapté pour:

748 2002996r 2001

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