
ENGINE TECHNICAL DATA
Type
Single-cylinder, 4-stroke
Cubic capacity
124 cm³
Bore x stroke
57.0 x 48.6 mm
Compression ratio
10.6 ± 0.5
:
1
Engine idle speed
1650 ± 100 rpm
Timing system
2 valves, single overhead
camshaft, chain-driven.
Valve clearance (cold engine)
Intake: 0.10 mm Exhaust: 0.15 mm
Max. power
8.9 kW at 7,750 rpm
MAX. torque
11.8 Nm at 6,500 rpm
Transmission
CVT expandable pulley variator
with torque server, V-belt, self-
ventilating dry automatic
centrifugal clutch and transmission
housing with forced-circulation air
cooling.
Final reduction gear
Gear reduction unit in oil bath.
Lubrication
Engine lubrication with lobe pump
(inside crankcase), chain-driven,
with double filter: mesh and paper.
Cooling
Forced-air circulation cooling.
Starter
Electrical and kick starter (where
fitted)
69
4 Technical data
Содержание S 150 2008
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Страница 73: ...Vespa S 150 Chap 05 Spare parts and accessories 73 ...
Страница 75: ...Vespa S 150 Chap 06 Scheduled maintenance 75 ...
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