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|---|
| Model | BSA A 50 Royal Star |
| Year | 1970 |
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|---|
| Displacement | 498.0 ccm (30.39 cubic inches) |
| Engine type | Twin, four-stroke |
| Power | 33.0 HP (24.1 kW) @ 6500 RPM |
| Top speed | 145.0 km/h (90.1 mph) |
| Compression | 9.0:1 |
| Bore x stroke | 65.5 x 74.0 mm (2.6 x 2.9 inches) |
| Valves per cylinder | 2 |
| Fuel control | Overhead Valves (OHV) |
| Cooling system | Air |
| Gearbox | 4-speed |
| Transmission type | Chain (final drive) |
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|---|
| Front tire | 3.25-19 |
| Rear tire | 3.50-19 |
| Front brakes | Expanding brake |
| Rear brakes | Expanding brake |
| Weight incl. oil, gas, etc | 178.0 kg (392.4 pounds) |
| Fuel capacity | 15.00 litres (3.96 US gallons) |
