| Attribute | Aprilia SR 50 GP1 Race Replica × | Zweirad-Union 159 TS × |
|---|---|---|
| General | ||
| Production from (year) | 2003 | 1968 |
| Make | Aprilia | Zweirad-Union |
| Model | Aprilia SR 50 GP1 Race Replica | Zweirad-Union 159 TS |
| Category | Scooter | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Injection | Carburettor |
| Displacement (cm³) | 49 | 49 |
| Power (kw) | 8.8 | 3.9 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Belt | Chain |
| Compression | 12.0:1 | - |
| Exhaust system | Fat Boy Curve Chrome 2-Stroke | - |
| Chassis | ||
| Front brakes | - | Expanding brake (drum brake) |
| Rear brakes | - | Expanding brake (drum brake) |
| Front tyre | - | 2.75-21 |
| Rear tyre | - | 2.75-21 |
| Other | ||
| Starter | Electric | - |
| Performance | ||
| Top speed (km/h) | 88 | 80 |