Comparison of Norton International Model 30 1951 and Velocette Venom 1959 [S]ave
| Attribute |  Velocette Venom 1959 × |  Norton International Model 30 1951 × |
|---|---|---|
| General | ||
| Production from (year) | 1959 | 1951 |
| Make | Velocette | Norton |
| Model | Velocette Venom | Norton International Model 30 |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Amal | Carburettor. Amal |
| Displacement (cm³) | 499 | 490 |
| Power (kw) | 24.8 | 21.5 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 86 | 79 |
| Stroke (mm) | 86 | 100 |
| Fuel control | Overhead Valves (OHV) | Overhead Cams (OHC) |
| Ignition | Belt driven dynamo | - |
| Clutch | Dry-three plate | - |
| Lubrication system | Wet sump | - |
| Compression | 8.0:1 | 7.2:1 |
| Chassis | ||
| Front suspension | Telescopic | Telescopic |
| Rear suspension | Swingarm with coil-over shocks | Plungers |
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Frame type | - | Cradle |
| Front tyre | 3.25-19 | 3-21 |
| Rear tyre | 3.25-19 | 3.50-20 |
| Seat | Dual seat | Single spring-mounted |
| Wheels | - | Spoked |
| Rake (fork angle) (degree) | 27 | - |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,391 | 1,391 |
| Dry weight (kg) | 177 | 176 |
| Power/weight ratio | 0.1401 | 0.1222 |
| Performance | ||
| Top speed (km/h) | 161 | 150 |
| Reserve fuel capacity (l) | 13.6 | - |
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