BSA B1 (1933-36)

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The BSA B1 is a vintage motorcycle that was produced by BSA from 1933 to 1936. It was a very popular model that had many features that made it popular among riders of the time. The B1 had a 500cc engine that produced 19 horsepower and had a top speed of around 70 miles per hour.


The bike had a rigid frame, a girder fork front suspension, and a plunger rear suspension. The B1 also had a four-speed gearbox, which was a new feature at the time. Many riders loved the smooth gear changes that the B1 provided.
The B1’s brakes were also an improvement over older models. The bike had a front and rear drum brake system that provided reliable stopping power. The B1 also had a sleek, stylish design that made it stand out from other motorcycles of the era.
BSA also released a sportier version of the B1, known as the B1 Sports. This model had a higher compression ratio, which increased horsepower to 25. It also had a unique fuel tank design and a set of sporty handlebars.
Overall, the BSA B1 was a high-quality motorcycle that was loved by many riders of the time. Its smooth performance, reliable brakes, and stylish design made it a standout in the era of vintage motorcycles.

Technische Daten:

Make Model: BSA B1 250 (B33-1, B35-1)
Year: 1933 – 36
Engine: Four stroke , single cylinder, side valve
Capacity: 249 cc / 15.2 cub in
Carburettor: Amal, side float
Auspuff: Einzeln, Edelstahl
Zündung: Magneto
Batterie: 6V
Starting: Slip on kick starter
Max Power: 1.83 kW / 2.49 hp
Transmission: 3-Speed, gearshift mounted on tank
Endantrieb: Kette


Front Suspension: Girder, spring loaded fork
Rear Suspension: None, spring loaded saddle
Front Tyre: 2.75 x 19, Avon
Rear Tyre: 3.00 x 19, Avon
Colour: Green/black

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