BSA B de Luxe
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Make Model | BSA B de Luxe |
Year | 1927 |
Engine | Side valve, single cylinder |
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 |
Colour | Green tank/black frame |
Source | Thecreeper.net |
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.