NSU 601 OSB 1937 - Specifications & Review

The 1937 NSU 601 OSB: A Two-Wheeled Icon of the Pre-War Era

Step back in time to the late 1930s, a period when motorcycles were evolving into more powerful and agile machines. The 1937 NSU 601 OSB stands out as a remarkable example of sport-oriented engineering from NSU, a brand known for its innovation and quality. This motorcycle was designed for the discerning rider who sought both performance and style. As a part of NSU's illustrious lineup, the 601 OSB catered to enthusiasts looking for a blend of speed and comfort, wrapped in a visually striking package that embodied the spirit of pre-war motorcycling.

At the heart of the 601 OSB lies a single-cylinder, four-stroke engine with a displacement of 562 cc, delivering a robust 26 horsepower at 4,950 RPM. The power delivery is engaging, giving riders the thrill of acceleration while maintaining a smooth, manageable ride. With a bore and stroke of 85.0 x 99.0 mm, this engine is designed to provide a gratifying balance of torque and RPM range. The air-cooled setup ensures reliability and simplicity, while the Amal carburettor enhances throttle response, making the 601 OSB a joy to ride on winding roads or city streets. Its lightweight frame, tipping the scales at just 150 kg (330.7 pounds), ensures nimble handling and a spirited riding experience that echoes the essence of sport motorcycles of its time.

Not just a powerhouse, the NSU 601 OSB is equipped with features that add to its charm. The classic styling is complemented by traditional drum brakes—both front and rear—providing reliable stopping power for spirited rides. Its dimensions, with an overall length of 2,200 mm and a height of 1,000 mm, offer a comfortable riding stance that appeals to a wide range of riders. The kickstarter mechanism reflects the era's engineering ethos, allowing enthusiasts to connect with their machines in a tactile way. The combination of functionality and aesthetic appeal of the 601 OSB makes it not only a motorcycle but also a piece of history that resonates with vintage motorcycle aficionados.

#### Pros and Cons of the 1937 NSU 601 OSB

Pros:

1. Engaging Performance: The single-cylinder engine offers a thrilling riding experience with responsive acceleration and a smooth power delivery.
2. Lightweight and Agile: Weighing just 150 kg, the 601 OSB provides excellent maneuverability, making it ideal for both city riding and spirited curves.
3. Classic Aesthetic: With its timeless design and vintage appeal, this motorcycle is sure to turn heads and evoke nostalgia among enthusiasts.

Cons:

1. Limited Power Output: While 26 HP is respectable for its time, modern motorcycles offer significantly more power, which may be a consideration for some riders seeking higher performance.
2. Basic Brake System: The drum brakes may lack the stopping power and precision of modern hydraulic disc brakes, requiring a more careful approach to braking.
3. Kickstarter Only: The absence of an electric start may be a drawback for some riders who prefer the convenience of modern starting systems, especially in cold weather conditions.

The 1937 NSU 601 OSB is not just a motorcycle; it's an experience steeped in history, delivering the thrill of sport riding to those who appreciate the art of classic engineering.