Neckarsulmer 4PS

1907 NSU Neckarsulmer 4PS Technical Analysis & Specification Breakdown

Built around NSU's sport motorcycle platform, the 1907 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.

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.