Comparison of NSU 125ZB 1954 and NSU Prima D 1959 [S]ave
| Attribute |  NSU Prima D 1959 × |  NSU 125ZB 1954 × |
|---|---|---|
| General | ||
| Production from (year) | 1959 | 1954 |
| Make | NSU | NSU |
| Model | NSU Prima D | NSU 125ZB |
| Category | Scooter | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Bing AJ | Carburettor. Bing |
| Displacement (cm³) | 146 | 123 |
| Power (kw) | 4.5 | 3.9 |
| Cooling system | Air | - |
| Transmission type,final drive | - | Chain |
| Bore (mm) | 57 | 52 |
| Stroke (mm) | 58 | 58 |
| Gearbox | 3-speed | - |
| Ignition | Battery | - |
| Compression | 6.0:1 | 6.0:1 |
| Chassis | ||
| Front suspension | Telescopic | - |
| Rear suspension | Swingarm | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Front tyre | 4-8 | 2.50-19 |
| Rear tyre | 4-8 | 2.50-19 |
| Seat | Two single seats | Single spring-mounted |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Dry weight (kg) | 123 | - |
| Power/weight ratio | 0.0366 | - |
| Overall height (mm) | 950 | 900 |
| Overall length (mm) | 1,910 | 1,910 |
| Overall width (mm) | 680 | 690 |
| Performance | ||
| Top speed (km/h) | 80 | 83 |
| Fuel capacity (l) | 7.3 | 8 |
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