BSA Sales Cataogues 1927 to 1935 This is a list of

British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...

manufacturer

Birmingham Small Arms Company The Birmingham Small Arms Company Limited (BSA) was a major British industrial combine, a group of businesses manufacturing military and sporting firearms; bicycles; motorcycles; cars; buses and bodies; steel; iron castings; hand tool, hand, po ...

(BSA)

motorcycle A motorcycle (motorbike, bike, or trike (if three-wheeled)) is a two or three-wheeled motor vehicle steered by a handlebar. Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising ...

s from the 1930s until the end of the

marque A brand is a name, term, design, symbol or any other feature that distinguishes one seller's good or service from those of other sellers. Brands are used in business, marketing, and advertising for recognition and, importantly, to create an ...

in the 1970s. The list is tabulated by engine type and period.

V-twins

B series

The B-series were single cylinder models of 250 cc, 350 cc and 500 cc. After the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

only 350 cc and 500 cc overhead valve models were continued.

M series

In the 1930s the M series was a mixture of

overhead valve An overhead valve (OHV) engine, sometimes called a ''pushrod engine'', is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with earlier flathead engines, where the valves were located be ...

and

side-valve A flathead engine, also known as a sidevalve engine''American Rodder'', 6/94, pp.45 & 93. or valve-in-block engine is an internal combustion engine with its poppet valves contained within the engine block, instead of in the cylinder head, as ...

models. During and after the

only the side-valve models of this series were continued, typically for use by the armed forces or in sidecar combinations.

Pre-unit C series

1956 BSA C10L motorbike, Wirral Transport Museum, Birkenhead (geograph 4533742)

The C-series were 250 cc single-cylinder models & a 350 cc side-valve model for 1940 only

Bantam series

All Bantams were single cylinder

two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being comple ...

machines

Unit-construction singles

Post-War twins

All BSA parallel twins were pushrod operated

machines. The A7 and A10 models were semi-unit construction until about 1953 and

pre-unit construction Pre-unit construction, also called separate construction, is a motorcycle engine architecture where the engine and gearbox are separate components with their own oil reservoirs, linked by a driving chain within a primary chaincase. Mounting plate ...

thereafter. All A50, A65 and A70 models were

unit construction : ''For the vehicle design where the vehicle's skin is used as a load-bearing element, see Monocoque.'' Unit construction is the design of larger motorcycles where the engine and gearbox components share a single casing. This sometimes includes ...

Triples

See Triumph Triples for corresponding Triumph models)

Miscellaneous

References

*Bacon, Roy ''BSA Gold Star and Other Singles'' Osprey Publishing, London 1982 *Bacon, Roy ''BSA Twins and Triples. The Postwar A7 / A10, A50 / 65 and Rocket III''. Osprey Publishing, London 1980 {{BSA motorcycles, state=collapsed BSA BSA