Stroke 43 mm
Engine capacity 49,8 cm3
Compression ratio 10÷10,5:1
Maximum declared torque ±5% (*) 3,3 Nm at 5.200 rpm
Maximum declared power ±5% (*) 1,9 kW at 6.000 rpm
Engine idle speed approx. 1500 ± 100 g/min
Ignition Capacitor discharge.
Fuel supply Petrol-oil mix by means of
automatic carburettor/mixer
(capacity under engine speed and
throttle valve opening) and gravity
system.
Cooling system Air.
Lubrication Performed by the mixture's oil for:
piston, cylinder, drive shaft,
bearing on the fly-wheel's side.
Transmission From the drive shaft to the rear
wheels through the clutch and the
gearbox-differential gear-axle
group.
Transmission 4 speeds, direct drive gears.
NOTE: THE VERSION WITH
SPEED LIMITED TO 25 Km/h
HAS 3 SPEEDS.
Differential Connected to the gearbox's gear
shaft by means of cylindrical gears;
conical planetary gear and
satellites. The differential box is
connected to the two axle shafts
100
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