| Attribute | Velocette Venom 1960 × | Sunbeam S8 500 1954 × |
|---|---|---|
| General | ||
| Production from (year) | 1960 | 1954 |
| Make | Velocette | Sunbeam |
| Model | Velocette Venom | Sunbeam S8 500 |
| Category | Allround | Sport touring |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Twin, four-stroke |
| Fuel system | Carburettor. Amal | Carburettor |
| Displacement (cm³) | 499 | 487 |
| Power (kw) | 24.8 | 17.5 |
| Cooling system | Air | Oil & air |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Bore (mm) | 86 | 70 |
| Stroke (mm) | 86 | 63.5 |
| Fuel control | Overhead Valves (OHV) | Single Overhead Cams (SOHC) |
| Ignition | Belt driven dynamo | - |
| Clutch | Dry-three plate | Dry singleplate |
| Lubrication system | Wet sump | Wet sump |
| Compression | 8.0:1 | 6.5:1 |
| Chassis | ||
| Front suspension | Telescopic | Telescopic |
| Rear suspension | Swingarm with coil-over shocks | Plungers |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | - | Twin cradle |
| Front tyre | 3.25-19 | - |
| Rear tyre | 3.25-19 | - |
| Seat | Dual seat | Two single seats |
| Wheels | - | Spoked |
| Rake (fork angle) (degree) | 27 | - |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Wheelbase (mm) | 1,391 | 1,400 |
| Dry weight (kg) | 177 | 187 |
| Power/weight ratio | 0.1401 | 0.0936 |
| Performance | ||
| Top speed (km/h) | 100 | 120 |
| Reserve fuel capacity (l) | 13.6 | - |