Comparison of Aermacchi HD 125 Zeffiro 1955 and Lambretta GP 125 [S]ave
| Attribute |  Lambretta GP 125 × |  Aermacchi HD 125 Zeffiro 1955 × |
|---|---|---|
| General | ||
| Production from (year) | 1969 | 1955 |
| Make | Lambretta | Aermacchi |
| Model | Lambretta GP 125 | Aermacchi HD 125 Zeffiro |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. DellÓrto | Carburettor. DellÓrto |
| Displacement (cm³) | 123 | 123 |
| Power (kw) | 5.3 | 3.6 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 52 | 52 |
| Stroke (mm) | 58 | 58 |
| Gearbox | - | 3-speed |
| Ignition | Magneto | - |
| Clutch | - | Wet multiplate |
| Compression | 7.8:1 | 5.7:1 |
| Chassis | ||
| Front suspension | - | Telescopic |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Front tyre | 3.50-10 | 2.25-17 |
| Rear tyre | 3.50-10 | 2.25-17 |
| Seat | Dual | Two single seats |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Dry weight (kg) | 105 | 92 |
| Power/weight ratio | 0.0504 | 0.0391 |
| Performance | ||
| Top speed (km/h) | 86 | 78 |
| Fuel capacity (l) | - | 6.5 |
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