Air cooled single cylinder two-stroke
40mm bore x 38mm stroke = 47.78cc - (1.57in x 1.49in = 2.91cu in.)
Maximum power 2.4bhp at 5000rpm.
Cast-iron cylinder barrel and aluminum-alloy head.
Compression ratio 7:1.
Roller main bearings.
3 port cylinder with reed valve, Encarwi S22 Carburettor (Encarwi-Bing). Pedal start used in conjunction with clutch-lock lever.
Transmission: Belt drive from crankshaft to centrifugal clutch