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BSA B de Luxe

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Make Model

BSA B 250 De Luxe

Year

1927

Engine

Four stroke , single cylinder, side valve

Capacity

249 cc / 15.2 cub in

Bore and Stroke

63 x 80 mm
Exhaust Single, stainless steel
Ignition Magneto
Battery 6V
Starting Slip on kick starter

Max Power

1.83 kW / 2.49 hp

Transmission 

2-Speed

Final Drive

Chain

Seat height

Upwards adjustable from 711 mm / 28 in. lowest setting
Front Suspension Single spring girder fork
Rear Suspension None, spring loaded saddle

Front Tyre

2.25 x 24

Rear Tyre

2.25 x 24

Front Brakes

None

Rear Brakes

Hand lever and foot pedal woking independently on rear wheel dummy rim

A top-selling model for BSA in the 1920s, the versatile Model B, or ‘Round Tank’, was used by just about every tradesman whose job required cheap personal transport. Popular with learners - the fact that the gearbox had only two speeds and that both brakes operated on the rear wheel were attributes guaranteed to re-assure novices - the reliable 250 sidevalve provided many with their first motorcycling experience.

Advanced features, for a lightweight, included all-chain drive and pumped lubrication, though the traditional sight feed and auxiliary hand pump were retained. In 1926 a three-speed version - identifiable by its black tank - was added to the range. Reverting to BSA’s traditional green finish the following year, the Model B was available in three-speed form only, although there were now two versions: ‘standard’ and ‘de Luxe’, the latter boasting a wedge-shaped tank.

Marginally heavier and slightly more expensive, the de Luxe was the only Model B offered in 1928.

 

 

 

 

 

 


Any corrections or more information on these motorcycles will be kindly appreciated.
 
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