Comparison of Aermacchi H-D Wisconsin 1967 and BMW R39 1926 [S]ave
| Attribute |  Aermacchi H-D Wisconsin 1967 × |  BMW R39 1926 × |
|---|---|---|
| General | ||
| Production from (year) | 1967 | 1926 |
| Make | Aermacchi | BMW |
| Model | Aermacchi H-D Wisconsin | BMW R39 |
| Category | Sport | Naked bike |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor. 20mm BMW Spezial |
| Displacement (cm³) | 246.2 | 247 |
| Power (kw) | 11.7 | 4.4 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Bore (mm) | 66 | 68 |
| Stroke (mm) | 72 | 68 |
| Gearbox | - | 3-speed |
| Fuel control | - | Overhead Valves (OHV) |
| Ignition | Bobine | - |
| Clutch | Wet multiplate | Dry-single plate-cable operated |
| Lubrication system | - | Wet sump |
| Compression | 8.5:1 | 6.1:1 |
| Chassis | ||
| Front suspension | Telescopic | Leading link |
| Rear suspension | Two shock | Rigid |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | - |
| Frame type | Single cradle | Steel doble cradle |
| Front tyre | 2.50-17 | 3.5-27 |
| Rear tyre | 3-17 | 3.5-27 |
| Seat | - | Single seat |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Kerb weight (kg) | - | 110 |
| Overall height (mm) | 980 | 950 |
| Overall length (mm) | 1,970 | 2,050 |
| Overall width (mm) | 700 | 800 |
| Performance | ||
| Top speed (km/h) | 130 | 100 |
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