BSA A
| Manufacturer | BSA |
|---|---|
| Production | 1921 |
| Class | Classic |
| Engine | air-cooled, four-stroke, V-Twin, side valve |
| Bore / Stroke | 76.2mm x 76.2mm |
| Horse Power | 4.96 HP (3.7 KW) @ 3000RPM |
| Transmission | Gear box: 3-speed, manual Final Drive: chain |
| Suspension | Front: single spring girder fork Rear: hard-tail, sprung seat |
| Manuals | Service Manual |
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The BSA A was a air-cooled, four-stroke, V-Twin, side valve Classic motorcycle produced by BSA in 1921. Claimed horsepower was 4.96 HP (3.7 KW) @ 3000 RPM.
Engine
A 76.2mm bore x 76.2mm stroke result in a displacement of just 770.0 cubic centimeters.
Drive
The bike has a 3-speed, manual transmission.
Chassis
The front suspension was a single spring girder fork while the rear was equipped with a hard-tail, sprung seat.
1921 - 1924 BSA A
The 1921 BSA A has, at its heart, an air-cooled, four-stroke, 770cc, V-Twin powerplant paired to a three-speed manual transmission and can produce a claimed 5 horsepower at 3000 rpm. This classic machine had features such as wire-spoked wheels, a single seat, a hard-tail rear suspension, a rear luggage rack, pull-back handlebars, full-fenders and rider floorboards.