125
CM
³ ENGINE SPECIFICATIONS
Type
Single-cylinder, 4-stroke
Engine capacity
124 cm³
Bore x stroke
57.0 x 48.6 mm
Max. power
7.9 kW at 8,250 rpm
MAX. torque
9.6 Nm at 6,500 rpm
Compression ratio
10.6 ± 0.5
:
1
Valve clearance
intake 0.10
exhaust 0.15
Timing system
2 valves, single overhead
camshaft, chain driven.
Transmission
Automatic 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.
Start-up
Electric
67
4 Technical data
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