Comparison of Kawasaki W1 SS 1968 and Norton International Model 30 1956 [S]ave
| Attribute |  Kawasaki W1 SS 1968 × |  Norton International Model 30 1956 × |
|---|---|---|
| General | ||
| Production from (year) | 1968 | 1956 |
| Make | Kawasaki | Norton |
| Model | Kawasaki W1 SS | Norton International Model 30 |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Two | Carburettor. Amal |
| Displacement (cm³) | 624 | 490 |
| Power (kw) | 35.8 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 74 | 79 |
| Stroke (mm) | 72.6 | 100 |
| Gearbox | 4-speed | - |
| Fuel control | Pushrods | Overhead Cams (OHC) |
| Ignition | Battery | - |
| Compression | 8.7:1 | 7.2:1 |
| Chassis | ||
| Front suspension | Telescopic | - |
| Rear suspension | Swingarm | - |
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Front tyre | 3.25-19 | - |
| Rear tyre | 3.50-18 | - |
| Seat | Dual | Single spring-mounted |
| Wheels | - | Spoked |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,415 | 1,391 |
| Performance | ||
| Top speed (km/h) | 180 | 150 |
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