Comparison of NSU 101 OSB 1954 and Vespa Circuito 1950 [S]ave
| Attribute |  NSU 101 OSB 1954 × |  Vespa Circuito 1950 × |
|---|---|---|
| General | ||
| Production from (year) | 1954 | 1950 |
| Make | NSU | Vespa |
| Model | NSU 101 OSB | Vespa Circuito |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 98 | 125 |
| Power (kw) | 4.2 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 50 | 56.5 |
| Stroke (mm) | 50 | 50 |
| Compression | 7.0:1 | - |
| Chassis | ||
| Front suspension | - | Coil springs |
| Rear suspension | - | Rubber stopper |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Pressed steel | - |
| Front tyre | 2.50-19 | 3.50-8 |
| Rear tyre | 2.50-19 | 3.50-8 |
| Seat | Single spring-mounted | - |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | - |
| Performance | ||
| Top speed (km/h) | 85 | 100 |
| Fuel capacity (l) | 8 | - |
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