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SPECS · PICS · RATING
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NSU 251 OSL 19381938 NSU 251 OSL specifications, pictures, reviews and rating |
 1938 NSU 251 OSL. Picture credits - NSU. Submit more pictures. |
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| General information | |
|---|---|
| Model name | NSU 251 OSL |
| Model year | 1938 |
| Category | Sport |
| Rating |
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| Engine and transmission | |
| Displacement | 242.0 ccm (14.77 cubic inches) |
| Engine type | Single cylinder, four-stroke |
| Power output | 10.5 HP (7.7 kW)) @ 5200 RPM |
| Top speed | 100.0 km/h (62.1 mph) |
| Bore x stroke | 64.0 x 75.0 mm (2.5 x 3.0 inches) |
| Fuel system | Carburettor |
| Ignition | Battery-Bosch |
| Cooling system | Air |
| Gearbox | 4-speed |
| Transmission type | Chain (final drive) |
| Chassis, suspension, brakes and wheels | |
| Frame type | Open double steel |
| Front tire | 3-19 |
| Rear tire | 3-19 |
| Front brakes | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) |
| Wheels | Spoked |
| Seat | Single spring-mounted |
| Physical measures and capacities | |
| Dry weight | 126.0 kg (277.8 pounds) |
| Power/weight ratio | 0.0833 HP/kg |
| Overall height | 1000 mm (39.4 inches) |
| Overall length | 2000 mm (78.7 inches) |
| Overall width | 760 mm (29.9 inches) |
| Wheelbase | 1285 mm (50.6 inches) |
| Fuel capacity | 11.50 litres (3.04 US gallons) |
| Other specifications | |
| Starter | Kick |
| Update specs | Report missing specs or required updates. |
| Further information | |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 38 NSU 251 OSL discussion group or the general NSU discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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