Displacement: 496 ccm.
Type of engine: OHV
Transmission: By chain. 4 speeds.
There were three models in the 500 cc ohv class which all had a four speed foot controlled gearbox: the M22 OHV Sports, the M23 Empire Star and the M24 Gold Star.
Motos Antigua HD, Spain
Motos Antigua HD offers high quality vintage motorcycles from Europe, the UK and the United States, with a focus on US Army and Wehrmacht military machines.
More information: Motos Antigua HD
BSA Models 1930-1939