1958 NSU Prima D Technical Analysis & Specification Breakdown
Positioned in NSU's scooter motorcycle lineup, the 1958 NSU Prima D pairs a 146 cc (8.9 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 6.2 HP (4.5 kW) at 5,200 rpm, transferring power to the rear wheel through a 3-speed gearbox. With a specific output of 42.5 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 Prima D measures 123 kg (271 lbs) dry, translating to a power-to-weight ratio of 0.05 HP/kg (19.84 kg per horsepower). The 7.3-liter (1.9 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 80 km/h (50 mph).
Within MotoLibrary's NSU archive, this model family spans 5 indexed model years from 1956 to 1960, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
