| Attribute | Aermacchi H-D Wisconsin 1961 × | Aermacchi H-D 250 Ala Azzurra 1961 × |
|---|---|---|
| General | ||
| Production from (year) | 1961 | 1961 |
| Make | Aermacchi | Aermacchi |
| Model | Aermacchi H-D Wisconsin | Aermacchi H-D 250 Ala Azzurra |
| Category | Sport | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 246.2 | 246 |
| Power (kw) | 11.7 | 10 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 66 | - |
| Stroke (mm) | 72 | - |
| Gearbox | 4-speed | 4-speed |
| Ignition | Bobine | - |
| Clutch | Wet multiplate | Wet multiplate |
| Lubrication system | - | Bobine |
| Compression | 8.5:1 | 7.0:1 |
| Chassis | ||
| Front suspension | Telescopic | Telescopic |
| Rear suspension | Two shock | Swingarm-two shocks |
| Front brakes | Expanding brake (drum brake). Simplex | Expanding brake (drum brake). Simplex |
| Rear brakes | Expanding brake (drum brake). Simplex | Expanding brake (drum brake). Simplex |
| Diameter (mm) | 180 | 160 |
| Frame type | Single cradle | Single cradle |
| Front tyre | 2.50-17 | 2.50-17 |
| Rear tyre | 3-17 | 3-17 |
| Seat | Dual | Dual |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Dry weight (kg) | 115 | 114 |
| Power/weight ratio | 0.1017 | 0.0877 |
| Overall height (mm) | 980 | 950 |
| Overall length (mm) | 1,970 | 1,920 |
| Overall width (mm) | 700 | 700 |
| Performance | ||
| Top speed (km/h) | 130 | 125 |
| Fuel capacity (l) | 14 | 18 |