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MotoLibrary Score
45/100Balanced
Power
33 HP
Top Speed
145 km/h
Engine
498 ccm
Technical Overview
1970 BSA A 50 Royal Star Key Specifications & Summary
The 1970 BSA A 50 Royal Star is a classic motorcycle manufactured by BSA, equipped with a 498.0 ccm (30.39 cubic inches) displacement unit (Twin, four-stroke) with air cooling. In factory trim, the engine delivers a rated power of 33.0 HP (24.1 kW)) @ 6500 RPM, paired with a 4-speed transmission and chain (final drive) final drive.
For rider ergonomics and real-world handling, key chassis measurements include a curb weight of 178.0 kg (392.4 pounds), fuel capacity of 15.00 litres (3.96 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 1970 BSA A 50 Royal Star side by side against rival models in the Classic 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.
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.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
