| Attribute | Norton ES 400 Electra 1964 × | NSU Supermax 1963 × |
|---|---|---|
| General | ||
| Production from (year) | 1964 | 1963 |
| Make | Norton | NSU |
| Model | Norton ES 400 Electra | NSU Supermax |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 2 | - |
| Fuel system | Carburettor | Carburettor. Bing HD 2/26 |
| Displacement (cm³) | 400 | 247 |
| Power (kw) | - | 13.1 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 66 | 69 |
| Stroke (mm) | 56 | 66 |
| Gearbox | 4-speed | 4-speed |
| Clutch | Wet multiplate | Dry multiplate |
| Compression | 7.9:1 | - |
| Chassis | ||
| Front suspension | Telescopic | - |
| Rear suspension | Two schock | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | - | Steel |
| Front tyre | - | 3.25-19 |
| Rear tyre | - | 3.25-19 |
| Seat | Dual | - |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Electric | Kick |
| Dimensions | ||
| Overall height (mm) | 1,016 | 990 |
| Overall length (mm) | 2,032 | 2,030 |
| Overall width (mm) | 686 | 670 |
| Performance | ||
| Top speed (km/h) | - | 126 |
| Fuel capacity (l) | - | 14 |