| Attribute | Zündapp Z 249 1923 × | NSU Neckarsulmer 1 1-2 1908 × |
|---|---|---|
| General | ||
| Production from (year) | 1923 | 1908 |
| Make | Zündapp | NSU |
| Model | Zündapp Z 249 | NSU Neckarsulmer 1 1-2 |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 249 | 243 |
| Power (kw) | 2 | 2.1 |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | Belt |
| Bore (mm) | 68 | 63 |
| Stroke (mm) | 82.5 | 78 |
| Gearbox | 3-speed | - |
| Chassis | ||
| Front suspension | Druid fork | - |
| Rear suspension | Rigid | - |
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Frame type | - | Steel tube |
| Front tyre | 2.25-24 | 1.75-26 |
| Rear tyre | 2.25-24 | 1.75-26 |
| Seat | Single | Single |
| Wheels | Spoked | Balloon tire |
| Dimensions | ||
| Dry weight (kg) | 76 | 40 |
| Power/weight ratio | 0.0263 | 0.0525 |
| Performance | ||
| Top speed (km/h) | 70 | 45 |
| Fuel capacity (l) | 6.1 | 4 |