BSA C12

The BSA C12 was a British pre-unit motorcycle manufactured by the Birmingham Small Arms Company from 1956 to 1958.^[1]

BSA C12

Manufacturer	BSA
Production	1956-1958
Predecessor	BSA C11G
Successor	BSA C15
Engine	249cc OHV single-cylinder engine
Power	12 bhp
Transmission	Duplex primary chain

The C12 used the same engine as the earlier C11G with the four-speed gearbox, but in a more modern chassis featuring a swinging arm rear suspension.^[2] Minor engine modifications meant it was also far more reliable^{[citation needed]}.