![]() 1969 BSA Starfire | |
Manufacturer | BSA motorcycles |
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Parent company | Birmingham Small Arms Company Limited |
Production | 1967–1971 |
Assembly | Small Heath, Birmingham, UK |
Predecessor | BSA C15 |
Engine | 247 cc (15.1 cu in), air-cooled, unit construction, OHV, four-stroke, single |
Bore / stroke | 67 mm × 70 mm (2.6 in × 2.8 in) |
Compression ratio | 10:1 |
Power | 26 bhp (19 kW) at 7250 rpm |
Transmission | Wet, multi-plate clutch, 4-speed gearbox, chain drive |
Frame type | Single cradle |
Suspension | Front: telescopic forks Rear: swinging arm |
Brakes | Drum brakes front & rear |
Footnotes / references [1][2][3] |
The BSA B25 was a series of 250 cc (15 cu in) unit construction single-cylinder OHV four-stroke motorcycles made by the Birmingham Small Arms Company. Developed from the BSA C15, the machines were produced between 1967 and 1971.[4] The B25 was the fastest British production 250.[5]