Neckarsulmer 4PS
1906 NSU Neckarsulmer 4PS Technical Analysis & Specification Breakdown
Positioned in NSU's sport motorcycle lineup, the 1906 NSU Neckarsulmer 4PS features a 482 cc (29.4 cu in) liquid-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 4 HP (2.9 kW) at 4,200 rpm, transferring power to the rear wheel through belt final drive. With a specific output of 8.3 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 Neckarsulmer 4PS measures 80 kg (176 lbs) dry. The 9-liter (2.4 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 70 km/h (43 mph).
Within MotoLibrary's NSU archive, this model family spans 5 indexed model years from 1904 to 1908, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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