NSU 601 OSB 1939 - Specifications & Review

Introducing the 1939 NSU 601 OSB: A Sport Classic

The 1939 NSU 601 OSB is a captivating piece of motorcycle history that embodies the spirit of pre-war sport bikes. As a product of NSU, a renowned German manufacturer known for its innovative engineering and quality craftsmanship, the 601 OSB positioned itself in the burgeoning sport category. With its sleek lines and robust build, this motorcycle not only appeals to vintage enthusiasts but also stands as a testament to the era's dedication to performance and style. The NSU 601 OSB is a prime example of how engineering prowess and aesthetic appeal can come together to create a timeless classic that is still celebrated today.

At the heart of the NSU 601 OSB lies a robust 562cc single-cylinder, four-stroke engine that delivers a spirited 26 horsepower at 4,950 RPM. This power enables the motorcycle to achieve a harmonious balance between speed and control, making it a delightful ride for both casual jaunts and spirited outings. The engine's bore and stroke dimensions (85.0 x 99.0 mm) highlight its well-balanced design, while the air-cooled system ensures reliable performance even during extended rides. The Amal carburettor contributes to a smooth throttle response, allowing riders to navigate both open roads and tight corners with confidence. The motorcycle's relatively lightweight build of 150 kg (330.7 lbs) further enhances its agility, making it a true joy for sport riding enthusiasts.

The NSU 601 OSB is equipped with features that underscore its sporty nature and practical usability. The expanding drum brakes at both the front and rear provide ample stopping power, ensuring that riders can tackle any road conditions with assurance. The classic kick starter adds an authentic touch to the riding experience, connecting the rider with the traditional roots of motorcycling. With dimensions of 2,200 mm in length, 850 mm in width, and a height of 1,000 mm, the 601 OSB presents a compact yet comfortable riding position that many modern motorcycles struggle to replicate. This iconic model not only showcases the engineering brilliance of its time but also offers a glimpse into the craftsmanship that defined an era of motorcycling.

Pros:

1. Classic Design: The vintage aesthetic and timeless lines attract motorcycle enthusiasts and collectors alike.
2. Lightweight and Agile: Weighing in at just 150 kg (330.7 lbs), it provides a nimble riding experience, making it easy to handle.
3. Solid Performance: The 562cc engine delivers respectable power, ensuring thrilling rides without compromising reliability.

Cons:

1. Basic Braking System: While effective, the drum brakes may not provide the same level of performance as modern disc brakes.
2. Kick Starter Only: The absence of an electric starter may not appeal to those accustomed to modern conveniences.
3. Limited Power: While adequate for its time, the 26 HP output may feel modest compared to contemporary sport motorcycles.

The 1939 NSU 601 OSB is not just a motorcycle; it's a piece of history that continues to inspire and captivate riders with its blend of classic charm and spirited performance.