Air cooled two-stroke twin, 247cc, B/S 54x54mm
Compression ratio 5.75:1
Amal 20E1B carburettor (1952)
Bing 1/22 (1953)
multi-plate clutch in oil bath
two ignition coils
Power: 18 HP @ 5600 rpm
Lubrication: 25:1 petroil mixture.
Fuel consumption: 3.56 litres/100k @ 80 km/h
Max speed: 125 km/h
Weight: 135 kg (1952)
Weight: 145 kg (1953)
Wheels: 1.85 x 16" steel rims, 36 spokes.
Brakes: 180mm x 30mm.
Tyres: 3.25x 16 front and rear.
Maximum all-up weight without sidecar: 295 kg; with sidecar: 420 kg
Frame: double cradle steel tube with sidecar attachment points.
Fuel tank: rubber mounted 12 litre with 3 litre reserve.
Front suspension: leading link with integral damping.
Rear suspension: hydraulic spring dampers.
Electrical system: 6 volt 90 watt flywheel magneto.
Adjustable steering damper.
Enclosed rear chain.
Folding rear guard.
Upswept dual exhaust. .