| Attribute | Horex Regina 1956 × | Adler M 250 S 1952 × |
|---|---|---|
| General | ||
| Production from (year) | 1956 | 1952 |
| Make | Horex | Adler |
| Model | Horex Regina | Adler M 250 S |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Twin, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 248 | 247 |
| Power (kw) | 12.4 | 11.7 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | - | 54 |
| Stroke (mm) | - | 54 |
| Gearbox | - | 4-speed |
| Fuel control | Overhead Valves (OHV) | - |
| Clutch | - | Wet multiplate |
| Compression | 6.4:1 | 5.8:1 |
| Chassis | ||
| Front suspension | Hydralic telescopic forks | - |
| Rear suspension | Twin shock-swingarm | Two schock |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 150 | 180 |
| Frame type | Single cradle | Semi double cradle |
| Front tyre | 3.25-19 | 3.25-16 |
| Rear tyre | 3.25-19 | 3.25-16 |
| Seat | Single seat | Single |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Dry weight (kg) | 196 | 135 |
| Power/weight ratio | 0.0633 | 0.0867 |
| Performance | ||
| Top speed (km/h) | 120 | 116 |
| Fuel capacity (l) | 13 | 12 |