Engine; General Information - APRILIA RS 125 Manual

ENGINE

6.2. ENGINE
6.2.1.

GENERAL INFORMATION

Type
Cylinders
Total displacement
Bore/stroke
Compression ratio
Starter
Engine idling speed (rpm)
Clutch
Cooling
Gearbox
Carburetor
Ignition
Spark advance
6 - 4
2-stroke single-cylinder engine with intake reed valve.
Separate lubrication with variable-rate automatic mixer (1.0 – 3.0%).
1
124.82 cu cm
54 mm / 54.5 mm
12.5 ± 0.5 : 1
electric
1250 ± 100 rpm
Wet multi-plate clutch
on left handlebar
liquid cooling
6-speed mechanical transmission with control pedal on left side of engine
DELL'ORTO PHBH 28
CDI
12° ± 2° at 2000 rpm
operated by manual
RS 125
control