Comparison of Aermacchi HD 150 Zeffiro 1958 and Harley-Davidson AH Topper-Scooter 1964 [S]ave
| Attribute |  Harley-Davidson AH Topper-Scooter 1964 × |  Aermacchi HD 150 Zeffiro 1958 × |
|---|---|---|
| General | ||
| Production from (year) | 1964 | 1958 |
| Make | Harley-Davidson | Aermacchi |
| Model | Harley-Davidson AH Topper-Scooter | Aermacchi HD 150 Zeffiro |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor. DellÓrto |
| Displacement (cm³) | 164 | 148 |
| Cooling system | - | Air |
| Transmission type,final drive | - | Chain |
| Bore (mm) | 60 | 57 |
| Stroke (mm) | 58 | 58 |
| Gearbox | - | 3-speed |
| Clutch | - | Wet multiplate |
| Compression | 8.0:1 | 6.5:1 |
| Chassis | ||
| Front suspension | Leading link | Telescopic |
| Rear suspension | Swingarm with two extension springs | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Front tyre | - | 3-17 |
| Rear tyre | - | 3-17 |
| Seat | - | Two single seats |
| Other | ||
| Starter | - | Kick |
| Performance | ||
| Top speed (km/h) | 74 | 90 |
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