| Attribute | NSU Max 1955 × | Aermacchi H-D Wisconsin 1966 × |
|---|---|---|
| General | ||
| Production from (year) | 1955 | 1966 |
| Make | NSU | Aermacchi |
| Model | NSU Max | Aermacchi H-D Wisconsin |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Bing | Carburettor |
| Displacement (cm³) | 247 | 246.2 |
| Power (kw) | 12.4 | 11.7 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 69 | 66 |
| Stroke (mm) | 66 | 72 |
| Gearbox | 4-speed | - |
| Ignition | - | Bobine |
| Clutch | - | Wet multiplate |
| Compression | - | 8.5:1 |
| Chassis | ||
| Front suspension | - | Telescopic |
| Rear suspension | - | Two shock |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | - | Single cradle |
| Front tyre | 3.25-19 | 2.50-17 |
| Rear tyre | 3.25-19 | 3-17 |
| Seat | Single | - |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Dry weight (kg) | 155 | 115 |
| Power/weight ratio | 0.08 | 0.1017 |
| Overall height (mm) | 990 | 980 |
| Overall length (mm) | 2,030 | 1,970 |
| Overall width (mm) | 670 | 700 |
| Performance | ||
| Top speed (km/h) | 126 | 130 |