1938 NSU 251 OSL

NSU 251 OSL 1938


1938 NSU 251 OSL specifications, pictures, reviews and rating

General information
Model name NSU 251 OSL
Model year 1938
Category Sport
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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
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Further information
MaintenanceFind parts, fluids. filters, maintenance tools and service manuals at Amazon.com.
Ask questionsJoin the 38 NSU 251 OSL discussion group or the general NSU discussion group.
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