NSU Neckarsulmer 4PS 1904 - Specifications & Review

Introducing the 1904 NSU Neckarsulmer 4PS, a pioneering spirit in the world of early sport motorcycles. As one of the first offerings from NSU, a brand that would later become synonymous with innovation and racing prowess, the Neckarsulmer 4PS was designed to capture the imagination of speed enthusiasts in the early 20th century. With its vintage charm and impressive engineering, this motorcycle not only represents a significant milestone in NSU's history but also serves as a nostalgic reminder of the golden age of motorcycling.

At the heart of the Neckarsulmer 4PS lies a robust single-cylinder, four-stroke engine that displaces 482cc, producing a spirited 4 horsepower at 4200 RPM. This seemingly modest output translates into exhilarating performance, allowing riders to reach a top speed of 70 km/h (43.5 mph). The engine's bore and stroke configuration, both measuring 85mm, ensures a balanced power delivery, while the liquid cooling system keeps things temperate even during spirited rides. Coupled with a belt final drive, this motorcycle offers a smooth and responsive riding experience, making it a delightful choice for both leisurely cruises and spirited jaunts.

The NSU Neckarsulmer 4PS is not just about power; it is also a testament to thoughtful engineering. Constructed with a sturdy steel tube frame, it embodies the durability required for the rigors of early motorcycle riding. With a weight of just 80 kg (176.4 pounds), the bike boasts a power-to-weight ratio of 0.0500 HP/kg, making it agile and responsive on the road. Additionally, the 9-liter fuel tank provides ample range for those who wish to explore beyond the confines of their local roads. The carburettor fuel system enhances the bike's performance, ensuring that every twist of the throttle is met with enthusiasm.

Pros:

1. Exciting Performance: The 4PS offers a thrilling ride with its adequate horsepower and top speed, making it enjoyable for both new and experienced riders.
2. Lightweight Construction: Weighing in at just 80 kg, the bike is easy to handle and maneuver, particularly in urban settings or during tight cornering.
3. Historical Significance: As one of NSU's earlier models, the Neckarsulmer 4PS is a collectible piece of motorcycle history, appealing to enthusiasts and collectors alike.

Cons:

1. Limited Power: With only 4 HP, the bike may feel underpowered compared to modern motorcycles, particularly for long-distance rides or highway cruising.
2. Basic Technology: The early 20th-century tech means fewer advanced features and comforts that modern riders may expect, such as sophisticated suspension systems or braking technology.
3. Maintenance Requirements: As with many vintage motorcycles, finding parts and maintaining the bike may require more effort and expertise than contemporary models.

The 1904 NSU Neckarsulmer 4PS is a fascinating blend of nostalgia and performance, embodying the spirit of early motorcycling while inviting riders to experience the thrill of the ride in its purest form.