| MODEL | AERMACCHI H-D WISCONSIN 1961 |
| Year | 1961 |
| Engine Type | Single cylinder, four-stroke |
| Displacement / Capacity | 246.2 cc / 15.02 cu in |
| Bore X Stroke | 66 x 72 mm / 2.6 x 2.8 in |
| Compression Ratio | 8.5:1 |
| Cooling System | Air |
| Max Power | 11.7 kW / 16 hp @ 6500 rpm |
| Max Torque | — |
| Ignition | Coil |
| Induction | Carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed |
| Clutch | Wet multiplate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Single cradle |
| Front Suspension | Telescopic fork |
| Rear Suspension | Twin shock |
| Front Brakes | Drum, simplex, 180 mm / 7.1 in |
| Rear Brakes | Drum, simplex, 180 mm / 7.1 in |
| DIMENSION SPECS | |
| Overall Length | 1970 mm / 77.6 in |
| Overall Width | 700 mm / 27.6 in |
| Overall Height | 980 mm / 38.6 in |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 115 kg / 253.5 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 2.50-17 |
| Rear Tyre | 3-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 14 Litres / 3.7 US gal |
| Fuel Consumption | — |
| Top Speed | 130 km/h / 80.8 mph |
The Wisconsin was the American-market name for the 250 cc single built in Varese and sold through Harley-Davidson dealers. It is a lightweight air-cooled four-stroke sport roadster with a single-cradle frame and drum brakes, and it formed the basis for the later Sprint.
