The 1953 BSA M 21 is a allround motorcycle manufactured by BSA, equipped with a 591.0 ccm (36.06 cubic inches) displacement unit (Single cylinder, four-stroke). In factory trim, the engine delivers a rated power of 15.0 HP (10.9 kW)) @ 4000 RPM and chain (final drive) final drive.
For rider ergonomics and real-world handling, key chassis measurements include a dry weight of 180.0 kg (396.8 pounds), fuel capacity of 11.36 litres (3.00 US gallons). Review the complete factory specification tables below to evaluate engine internals, suspension travel, braking hardware, tyre sizes and ownership estimates, or compare the 1953 BSA M 21 side by side against rival models in the Allround lineup.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
