Attribute | ![]() BSA A 50 Royal Star 1964 × | ![]() Triumph Speed Twin 5T 1966 × |
---|---|---|
General | ||
Production from (year) | 1964 | 1966 |
Make | BSA | Triumph |
Model | BSA A 50 Royal Star | Triumph Speed Twin 5T |
Category | Naked bike | Sport |
Engine and transmission | ||
Engine type | Twin, four-stroke | Twin, four-stroke |
Fuel system | Carburettor | Carburettor. Amal |
Displacement (cm³) | 500 | 498 |
Power (kw) | 24.1 | 19.7 |
Cooling system | Air | - |
Transmission type,final drive | Chain | Chain |
Bore (mm) | 65.5 | - |
Stroke (mm) | 74 | - |
Fuel control | Overhead Valves (OHV) | Overhead Valves (OHV) |
Clutch | Wet multiplate | - |
Lubrication system | - | Dry sump |
Compression | 7.5:1 | - |
Chassis | ||
Front suspension | Hydralic telescopic forks | Telescopic |
Rear suspension | Twin shock | Swingarm with coil-over shocks |
Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Frame type | Single cradle | - |
Front tyre | 3.25-18 | - |
Rear tyre | 3.25-18 | - |
Seat | Dual seat | Dual seat |
Dimensions | ||
Wheelbase (mm) | 1,391 | 1,400 |
Performance | ||
Fuel capacity (l) | 18 | - |