Comparison of Horex Imperator 1958 and Norton ES 400 Electra 1963 [S]ave
| Attribute |  Horex Imperator 1958 × |  Norton ES 400 Electra 1963 × |
|---|---|---|
| General | ||
| Production from (year) | 1958 | 1963 |
| Make | Horex | Norton |
| Model | Horex Imperator | Norton ES 400 Electra |
| 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 | 7.5:1 | 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 | Duplex cradle | - |
| Seat | - | Dual |
| Wheels | - | Spoked |
| Other | ||
| Starter | - | Electric |
| Dimensions | ||
| Dry weight (kg) | 196 | 161 |
| Power/weight ratio | 0.0704 | - |
| Overall height (mm) | 990 | 1,016 |
| Overall length (mm) | 2,140 | 2,032 |
| Overall width (mm) | 660 | 686 |
| Performance | ||
| Top speed (km/h) | 135 | - |
| Fuel capacity (l) | 17 | - |
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