| Attribute | Velocette Venom 1969 × | BSA A 50 Royal Star 1964 × |
|---|---|---|
| General | ||
| Production from (year) | 1969 | 1964 |
| Make | Velocette | BSA |
| Model | Velocette Venom | BSA A 50 Royal Star |
| Category | Allround | Naked bike |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Twin, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 499 | 500 |
| Power (kw) | 24.8 | 24.1 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 86 | 65.5 |
| Stroke (mm) | 86 | 74 |
| Fuel control | Overhead Valves (OHV) | Overhead Valves (OHV) |
| Clutch | - | Wet multiplate |
| Compression | - | 7.5:1 |
| Chassis | ||
| Front suspension | Telescopic | Hydralic telescopic forks |
| Rear suspension | Swingarm with coil-over shocks | Twin shock |
| 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 |
| Dimensions | ||
| Wheelbase (mm) | 1,391 | 1,391 |
| Performance | ||
| Fuel capacity (l) | - | 18 |