| Attribute | Hercules K 103 1962 × | NSU 101 OSB 1950 × |
|---|---|---|
| General | ||
| Production from (year) | 1962 | 1950 |
| Make | Hercules | NSU |
| Model | Hercules K 103 | NSU 101 OSB |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Bing 22mm | Carburettor |
| Displacement (cm³) | 97 | 98 |
| Power (kw) | 5.1 | 4.2 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 48 | 50 |
| Stroke (mm) | 54 | 50 |
| Compression | - | 7.0:1 |
| Chassis | ||
| Rear suspension | Swingarm | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Single cradle | Pressed steel |
| Front tyre | 3-16 | 2.50-19 |
| Rear tyre | 3-16 | 2.50-19 |
| Seat | Dual | Single spring-mounted |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Dry weight (kg) | 99 | 85 |
| Power/weight ratio | 0.0515 | 0.0494 |
| Performance | ||
| Top speed (km/h) | 90 | 85 |
| Fuel capacity (l) | - | 8 |