NSU 4PS 1925 - Specifications & Review

Introducing the 1925 NSU 4PS: A Classic Sport Motorcycle

Step back into the roaring twenties, a time when the open road beckoned adventure, and the NSU 4PS emerged as an icon of sport and performance. Launched in 1925, this motorcycle was designed to capture the hearts of enthusiasts seeking both style and substance. With its chic design and innovative engineering, the NSU 4PS positioned itself as a formidable player in the sport motorcycle category, appealing to riders eager to experience the thrill of speed and agility. As one of the early masterpieces from NSU, a brand known for its pioneering spirit, the 4PS remains a cherished relic of motorcycling history, celebrated for its simplicity and charm.

At the heart of the NSU 4PS lies a robust 498cc twin-cylinder, four-stroke engine that delivers an impressive 6.5 horsepower at 3000 RPM. This powerplant, combined with a lightweight frame weighing just 120 kg (264.6 pounds), allows the 4PS to reach a top speed of 80 km/h (49.7 mph), making it a delightful ride for sport enthusiasts of the era. The bore and stroke dimensions of 63.0 x 80.0 mm (2.5 x 3.1 inches) contribute to a responsive throttle and a smooth power delivery. Riders will appreciate the seamless transition of power through the carburettor fuel system and the belt final drive, which not only offers reliability but also enhances the overall riding experience with its low maintenance needs.

The NSU 4PS showcases key features that highlight the engineering craftsmanship of its time. The steel frame provides durability while keeping the motorcycle agile and responsive to rider input. With dimensions of 2200 mm (86.6 inches) in length and 840 mm (33.1 inches) in width, the 4PS boasts a compact profile that enhances maneuverability, especially in urban environments or on winding roads. Its classic aesthetic, combined with functional elements, makes it a standout model that reflects the spirit of early 20th-century motorcycling.

Pros:

1. Lightweight and Agile: Weighing only 120 kg, the 4PS offers excellent maneuverability and handling, ideal for sport riding.
2. Classic Design: The vintage aesthetics of the NSU 4PS appeal to collectors and enthusiasts alike, preserving the charm of early motorcycling.
3. Reliable Performance: The simple yet effective engine design provides a dependable ride with minimal maintenance requirements.

Cons:

1. Limited Power: With just 6.5 HP, the performance may feel modest compared to modern motorcycles, which could deter some speed enthusiasts.
2. Basic Technology: The absence of advanced features and amenities common in contemporary bikes may not satisfy riders looking for modern conveniences.
3. Top Speed Limitations: While 80 km/h is respectable for its time, it may not meet the expectations of those seeking high-speed thrills on today's highways.

In summary, the 1925 NSU 4PS stands as a testament to the ingenuity of its era, offering a delightful blend of style, performance, and historical significance that continues to captivate motorcycle lovers today. Whether you're a collector or a rider with a penchant for the classics, the NSU 4PS promises a unique journey through time on two wheels.