At the heart of the 1951 NSU Lux sport motorcycle, NSU utilizes a 198 cc (12.1 cu in) air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 11 HP (8 kW) at 5,250 rpm. With a specific output of 55.6 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.
On the scales, the Lux measures 135 kg (298 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (12.27 kg per horsepower). The 11.5-liter (3 US gal) fuel tank paired with a rated consumption of 2.5 L/100 km provides an estimated theoretical range of roughly 460 km (286 miles) between fill-ups, while factory top speed is listed at 95 km/h (59 mph).
Within MotoLibrary's NSU archive, this model family spans 4 indexed model years from 1951 to 1954, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
55.6 HP/L
Power-to-Weight
0.08 HP/kg (12.27 kg/HP)
Theoretical Range
~460 km (286 mi)
Engine
Displacement198.0 ccm (12.08 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Power11.0 HP (8.0 kW)) @ 5250 RPM
Compression6.0:1
Bore x Stroke62.0 x 66.0 mm (2.4 x 2.6 inches)
Fuel SystemCarburettor. Bing
IgnitionBattery
CoolingAir
Performance
Top Speed95.0 km/h (59.0 mph)
Fuel Consumption2.50 litres/100 km (40.0 km/l or 94.09 mpg)
Greenhouse Gases58.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
