Comparison of Aermacchi HD 150 Zeffiro 1960 and Vespa Circuito 1950 [S]ave
| Attribute |  Aermacchi HD 150 Zeffiro 1960 × |  Vespa Circuito 1950 × |
|---|---|---|
| General | ||
| Production from (year) | 1960 | 1950 |
| Make | Aermacchi | Vespa |
| Model | Aermacchi HD 150 Zeffiro | Vespa Circuito |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. DellÓrto | Carburettor |
| Displacement (cm³) | 148 | 125 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 57 | 56.5 |
| Stroke (mm) | 58 | 50 |
| Gearbox | 3-speed | - |
| Clutch | Wet multiplate | - |
| Chassis | ||
| Front suspension | Telescopic | 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) |
| Front tyre | 3-17 | 3.50-8 |
| Rear tyre | 3-17 | 3.50-8 |
| Seat | Two single seats | - |
| Other | ||
| Starter | Kick | - |
| Performance | ||
| Top speed (km/h) | 90 | 100 |
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