NSU 601 OSL 1940 - Specifications & Review

Introducing the 1940 NSU 601 OSL, a remarkable motorcycle that stands as a testament to the engineering prowess of its time. Positioned in the allround category, the NSU 601 OSL catered to a diverse audience, appealing to both seasoned riders and newcomers alike. During an era when motorcycles were becoming increasingly popular for both leisure and transportation, the 601 OSL emerged as a versatile choice, combining performance, comfort, and style. With its elegant lines and classic design, it captures the essence of pre-war motorcycling, making it a sought-after piece for collectors and enthusiasts today.

At the heart of the NSU 601 OSL lies a robust single-cylinder, four-stroke engine with a displacement of 562 cc, delivering an impressive 24 horsepower at 4950 RPM. This powerplant, coupled with a bore and stroke of 85 mm by 99 mm, provides a delightful balance of torque and smoothness, perfect for tackling both city streets and open roads. The air-cooled engine ensures reliability and ease of maintenance while the Amal carburettor optimizes fuel delivery for a responsive ride. Riders will appreciate the NSU’s nimble handling and stability, characteristics that are enhanced by its lightweight design of just 150 kg (330.7 pounds). The power-to-weight ratio of 0.1600 HP/kg translates to an exhilarating riding experience, allowing enthusiasts to feel the thrill of the open road.

In terms of features, the NSU 601 OSL boasts a classic drum brake setup at both the front and rear, providing dependable stopping power that was ahead of its time. The kick starter adds a touch of nostalgia while ensuring that starting the bike is a straightforward affair. Its simple yet effective design means that riders can focus more on the journey rather than the mechanics, making it an ideal companion for both short trips and longer excursions. The motorcycle's aesthetic charm, combined with its technical capabilities, makes it a standout model in the lineage of NSU motorcycles.

Pros:

1. Classic Design: The NSU 601 OSL embodies timeless aesthetics, appealing to vintage motorcycle enthusiasts.
2. Smooth Performance: The single-cylinder engine offers a delightful blend of power and torque, making it enjoyable to ride.
3. Lightweight Construction: With a weight of just 150 kg, the motorcycle is nimble and easy to handle, perfect for riders of all skill levels.

Cons:

1. Limited Speed: While the NSU 601 OSL performs admirably for its category, it may lack the high-speed capabilities of more modern motorcycles.
2. Drum Brakes: The expanding drum brakes, while reliable, may not provide the same stopping power or responsiveness as contemporary disc brake systems.
3. Kick Start Only: The absence of an electric starter may deter some riders who prefer the convenience of modern starting systems, especially in colder conditions.

Overall, the 1940 NSU 601 OSL represents a fascinating chapter in motorcycle history, appealing to those who appreciate the charm and character of classic machines.