125 CM³ ENGINE SPECIFICATIONS
Type Single-cylinder, 4-stroke
Engine capacity 124.5 cm³
Bore x stroke 52.0 x 58.6 mm
Max. power 7.2 kW at 7750 rpm
MAX. torque 9.5 Nm at 6000 rpm
Compression ratio 10:1
Idle speed 1750±50 rpm
Valve clearance (cold engine) intake: 0.08 mm
exhaust: 0.08 mm
Timing system 3 valves (2 intake, 1 drainage).
single overhead camshaft chain-
driven.
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.
Electric Starter
78
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