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