BSA B1 (1933-36)

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.

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Technical specifications:

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

Exhaust: Single, stainless steel

Ignition: Magneto

Battery: 6V

Starting: Slip on kick starter

Max Power: 1.83 kW / 2.49 hp

Transmission: 3-Speed, gearshift mounted on tank

Final Drive: Chain

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