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