| Attribute | Aermacchi HD 150 Zeffiro 1959 × | Peugeot S157 1958 × |
|---|---|---|
| General | ||
| Production from (year) | 1959 | 1958 |
| Make | Aermacchi | Peugeot |
| Model | Aermacchi HD 150 Zeffiro | Peugeot S157 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. DellÓrto | - |
| Displacement (cm³) | 148 | 147 |
| Power (kw) | - | 4.8 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 57 | 56 |
| Stroke (mm) | 58 | 60 |
| Gearbox | 3-speed | - |
| Clutch | Wet multiplate | - |
| Compression | 6.5:1 | 6.5:1 |
| Chassis | ||
| Front suspension | Telescopic | Traveling link |
| Rear suspension | - | Swingarm |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | - | Tubular |
| Front tyre | 3-17 | - |
| Rear tyre | 3-17 | - |
| Seat | Two single seats | Two single seats |
| Other | ||
| Starter | Kick | - |
| Performance | ||
| Top speed (km/h) | 90 | 89 |