| Attribute | NSU 601 TS 1938 × | Harley-Davidson Sport Twin 1920 × |
|---|---|---|
| General | ||
| Production from (year) | 1938 | 1920 |
| Make | NSU | Harley-Davidson |
| Model | NSU 601 TS | Harley-Davidson Sport Twin |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Twin, four-stroke |
| Fuel system | Carburettor. Amac | Carburettor |
| Displacement (cm³) | 592 | 590 |
| Power (kw) | 11.7 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 87.5 | 69.9 |
| Stroke (mm) | 99 | 76.2 |
| Fuel control | - | Sidevalves |
| Ignition | Magneto Bosch | Magneto |
| Clutch | - | Three speed |
| Compression | - | 3.8:1 |
| Chassis | ||
| Front suspension | - | Trailing link with single downtube |
| Rear suspension | - | Rigid |
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Frame type | Double steel | Tubular steel |
| Front tyre | 3.50-26 | 3-26 |
| Rear tyre | 4-27 | 3-26 |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Wheelbase (mm) | 1,390 | 1,448 |
| Dry weight (kg) | 165 | 120 |
| Power/weight ratio | 0.0709 | - |
| Performance | ||
| Fuel capacity (l) | - | 10 |