This single-cylinder motorcycle engine has a 38 mm bore and 42 mm stroke with a displacement of 47.63 cubic centimetres. It develops a maximum output of five horsepower at 5200 rpm. Transmission is a helical gear type with chain final drive to the rear wheel. The three-speed gearbox is built integral with the engine. Maximum speed for this light unit is around 50 km/h.
This engine was donated to the Museum by L.F. Pratt Motor Cycles Pty Ltd, Feb 1966.
Courtesy Museum Victoria
Licence: CC BY 4.0