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] For most of that period, after the introduction of 'Learner Laws' in 1961, a 250 cc was the largest capacity solo machine that a learner could ride ...

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.

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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.

With Edward Turner in charge, BSA introduced the 250 cc C15 in 1958 replacing the pre-unit C12. The C15 engine design was essentially copied from that of the Tiger Cub with the main change, apart from the increase in capacity, being the use of a vertically orientated cylinder rather than the forward leaning one on the Cub.

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...

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...

If a pillion passenger or luggage is carried, the actual load bearing upon each tyre should be determined and the pressures increased in accordance with the Dunlop Load and Pressure Schedule. Source: Cedric Norman Archive, which explains minor modifations to the specs due errors in the original BSA publication.

2017年1月1日 · BSA’s stalwart 250 single used to be the obvious choice for learner riders, back in the 1960s. Fifty years later the unit construction C15 has become another obvious choice – this time as a starter classic, a first British bike. We featured a Ceefer in the magazine last year, which inspired John Blackburn to share his experiences on the subject…

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.