Comparison of NSU 251 OSL WH 1938 and NSU Konsul 1 1951 [S]ave
| Attribute |  NSU Konsul 1 1951 × |  NSU 251 OSL WH 1938 × |
|---|---|---|
| General | ||
| Production from (year) | 1951 | 1938 |
| Make | NSU | NSU |
| Model | NSU Konsul 1 | NSU 251 OSL WH |
| Category | Sport | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor. Amal |
| Displacement (cm³) | 346 | 242 |
| Power (kw) | 13.1 | 7.7 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 79 | 64 |
| Stroke (mm) | 79 | 75 |
| Fuel control | Overhead Valves (OHV) | - |
| Compression | 6.3:1 | - |
| Chassis | ||
| Front suspension | Telescopic | - |
| Rear suspension | Hydraulic | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | - | Steel |
| Front tyre | 3.50-19 | 3-19 |
| Rear tyre | 4-19 | 3-19 |
| Seat | Single | Single |
| Wheels | Spoked | Spoked |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Dry weight (kg) | 190 | 144 |
| Power/weight ratio | 0.0689 | 0.0535 |
| Overall height (mm) | 1,000 | 950 |
| Overall length (mm) | 2,185 | 2,040 |
| Overall width (mm) | 820 | 780 |
| Performance | ||
| Top speed (km/h) | 110 | 95 |
| Fuel capacity (l) | 15.2 | 11 |
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