The BSA B40 was a series of 350 cc (21 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 1961 and 1967 for civilian use.

2017年11月8日 · The BSA B40 is a cool little classic with a deservedly poor reputation, yet that didn’t stop it from being an incredibly popular machine. It served as one of the primary replacements for the post-WW2 BSA M20’s and Matchless GL3’s.

The B40 with telescopic front forks was a modern motorcycle in its day and was used for convoy control, messenger services and the carriage of any small stores, which could be fitted into the …

This web page describes the main features of the 350 cc BSA B40 which was produced between 1961-67 and the restoration of my 1965 B40.

2014年10月13日 · At more than 50 it feels hurried, so 45 it is. It has instant appeal, simply because it’s so easy to ride. Light and low, so easy to move around, with a competent BSA chassis and suspension that copes with potholes and back road broken tarmac with …

Looking to buy a BSA B40? Complete your search today at Car & Classic where you will find the largest and most diverse collection of classics in Europe

Despite using a B40 engine, the B40WD made use of the welded duplex frame and the front suspension from a B25/B44 which made it a much more rugged machine for army use than the earlier B40’s. It used the standard 18″ rear wheel size but used a 20″ front wheel that was common to off-road bikes at that time.

View and Download BSA B40 technical handbook online. 350cc. B40 motorcycle pdf manual download.

2023年11月15日 · The B40 (pre-WD version) boasts a larger, swan-neck type frame and swinging arm than the C15. All C15s, except for the trials and scrambles had 17” wheels front and rear, while all B40s had 18” wheels. The 20” front wheel on the WD B40s does tend to make the steering more ponderous. This can be usefully improved by fitting an 18” wheel.

The purpose of BSA Unit Singles LLC is to provide enthusiasts of C15s, B40s, C25s, B25s,T25s, B44s and B50s with a single source supplier for parts and accessories for these models.