NSU Neckarsulmer 4PS 1908 - Specifications & Review

Introducing the 1908 NSU Neckarsulmer 4PS, a pivotal player in the early days of motorcycle design and engineering. As a sport motorcycle, the Neckarsulmer 4PS encapsulates the spirit of adventure and competition that defined the early 20th century. With a blend of innovative technology and classic craftsmanship, this model not only showcases NSU's commitment to performance but also sets a benchmark for sport bikes of its time. As one of the pioneers in the motorcycle industry, NSU established itself with this model, appealing to riders who sought both speed and reliability on the road.

At the heart of the NSU Neckarsulmer 4PS lies a robust single-cylinder, four-stroke engine that boasts a displacement of 482 ccm (29.41 cubic inches). With a power output of 4.00 HP at 4200 RPM, riders can expect a spirited performance that translates into a top speed of 70 km/h (43.5 mph). The engine's design features a bore and stroke ratio of 85.0 x 85.0 mm, ensuring a balanced and smooth operation. Coupled with a belt final drive, this motorcycle offers a unique riding experience characterized by a responsive throttle and manageable power delivery, making it an ideal companion for spirited rides on winding roads.

The Neckarsulmer 4PS is not just about performance; it embodies the technological advancements of its era. The motorcycle is built on a lightweight steel tube frame, weighing in at a mere 80 kg (176.4 pounds), which enhances its agility and handling. The liquid cooling system, a notable feature for its time, keeps the engine operating at optimal temperatures, ensuring reliability during extended rides. Riders will appreciate the simplicity and efficiency of the carburettor fuel system, which provides a steady flow of fuel for consistent performance. The combination of these features allows the NSU Neckarsulmer 4PS to deliver an exhilarating ride that is both engaging and enjoyable.

Pros:

1. Performance: The powerful single-cylinder engine strikes a perfect balance between speed and handling, making it a thrilling ride for sport enthusiasts.
2. Lightweight Design: Weighing only 80 kg, the motorcycle is agile and easy to maneuver, ideal for both novice and experienced riders.
3. Innovative Cooling System: The liquid cooling system ensures efficient engine performance, reducing the risk of overheating during long journeys.

Cons:

1. Limited Power Output: With only 4 HP, it may not satisfy riders seeking extreme speed or high-performance racing capabilities.
2. Basic Technology: The simplicity of the carburettor fuel system may not appeal to those looking for modern fuel injection efficiency.
3. Market Availability: As a vintage motorcycle, finding parts and service may prove challenging, limiting accessibility for prospective owners.

In summary, the 1908 NSU Neckarsulmer 4PS is a fascinating glimpse into the world of early sport motorcycles, offering a blend of performance, technology, and heritage that continues to captivate enthusiasts today.