The BSA C15 was a 250 cc single-cylinder ohv motorcycle manufactured by the British company BSA from September 1958 until 1967, and was BSA's first four-stroke unit-construction bike. [2]

The BSA C15 'Star' was the first unit construction model and proved more reliable and economical than its predecessor, the BSA C11. The engine had an iron barrel and alloy head with overhead valves operated by pushrods which ran in a separate tube to fully enclosed rockers.

2016年1月13日 · The BSA C15 is a classic quarter-liter that came with standard fittings such as a dual seat, pillion grab rails, a large, round headlight, laced wheels, a chromed exhaust system with a...

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2024年9月23日 · BSA had introduced the C15 as a mild-mannered ride-to-work machine with no sporting pretensions at all yet the factory team had taken the 250 and was winning trials on it and no lesser lights than Jeff Smith and Arthur Lampkin were taking on the scrambles world.

These were Triumph’s first unit construction motorcycles with combined engine and gearbox. With Edward Turner in charge, BSA introduced the 250 cc C15 in 1958 replacing the pre-unit C12.

2016年1月13日 · The BSA C15 SS was created for novice riders that still want more performance from their machine. It has at its heart a four-stroke, air-cooled, 249cc, single cylinder powerhouse mated to a...