Comparison of Horex Imperator 1960 and NSU Supermax 1963 [S]ave
| Attribute |  NSU Supermax 1963 × |  Horex Imperator 1960 × |
|---|---|---|
| General | ||
| Production from (year) | 1963 | 1960 |
| Make | NSU | Horex |
| Model | NSU Supermax | Horex Imperator |
| Category | Sport | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Bing HD 2/26 | Carburettor |
| Displacement (cm³) | 247 | 400 |
| Power (kw) | 13.1 | 13.8 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 69 | - |
| Stroke (mm) | 66 | - |
| Gearbox | 4-speed | - |
| Fuel control | - | Overhead Valves (OHV) |
| Clutch | Dry multiplate | - |
| Compression | - | 7.5:1 |
| Chassis | ||
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Steel | Duplex cradle |
| Front tyre | 3.25-19 | - |
| Rear tyre | 3.25-19 | - |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Overall height (mm) | 990 | 990 |
| Overall length (mm) | 2,030 | 2,140 |
| Overall width (mm) | 670 | 660 |
| Performance | ||
| Top speed (km/h) | 126 | 135 |
| Fuel capacity (l) | 14 | - |
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