Comparison of Horex Imperator 1959 and Norton ES 400 Electra 1963 [S]ave
| Attribute |  Norton ES 400 Electra 1963 × |  Horex Imperator 1959 × |
|---|---|---|
| General | ||
| Production from (year) | 1963 | 1959 |
| Make | Norton | Horex |
| Model | Norton ES 400 Electra | Horex Imperator |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 2 | - |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 400 | 400 |
| Power (kw) | - | 13.8 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 66 | - |
| Stroke (mm) | 56 | - |
| Gearbox | 4-speed | - |
| Fuel control | - | Overhead Valves (OHV) |
| Clutch | Wet multiplate | - |
| Compression | 7.9:1 | 7.5:1 |
| 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 | - | Duplex cradle |
| Seat | Dual | - |
| Wheels | Spoked | - |
| Other | ||
| Starter | Electric | - |
| Dimensions | ||
| Dry weight (kg) | 161 | 196 |
| Power/weight ratio | - | 0.0704 |
| Overall height (mm) | 1,016 | 990 |
| Overall length (mm) | 2,032 | 2,140 |
| Overall width (mm) | 686 | 660 |
| Performance | ||
| Top speed (km/h) | - | 135 |
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