NSU 601 OSL 1939 - Specifications & Review

Introducing the 1939 NSU 601 OSL, a motorcycle that embodies the spirit of pre-war engineering and design innovation. Renowned for its all-round versatility, the 601 OSL was positioned as a reliable and practical choice for riders seeking both performance and everyday usability. With its striking aesthetics and robust build, this model became a notable player in the motorcycle market of its time, appealing to a diverse audience ranging from commuting enthusiasts to spirited weekend riders.

At the heart of the NSU 601 OSL is its powerful single-cylinder, four-stroke engine, which boasts a displacement of 562 cc. With a commendable output of 24 HP at 4950 RPM, this motorcycle delivers a thrilling ride that is both lively and manageable. The engine’s bore and stroke measurements of 85.0 mm by 99.0 mm not only contribute to its robust torque characteristics but also offer a smooth power delivery. Riders will appreciate the simplicity of the Amal carburettor combined with air cooling, ensuring that the engine remains efficient and reliable even in varying conditions. The 601 OSL's lightweight design, tipping the scales at just 150 kg (330.7 pounds), enhances its agility on the road, making it a joy to navigate through urban environments or open country roads.

The NSU 601 OSL is not just about performance; it is also packed with features that were cutting-edge for its time. The motorcycle is equipped with expanding drum brakes at both the front and rear, providing adequate stopping power and ensuring rider confidence. Its kickstarter mechanism is a nod to classic motorcycle engineering, allowing riders to engage with their machine in a way that has become part of the motorcycling experience. With its minimalist design and functional aesthetics, the 601 OSL captures the essence of the era while remaining a practical companion for any ride.

Pros:

1. Versatile Performance: The balanced power-to-weight ratio makes it suitable for both city commuting and longer rides.
2. Classic Design: Its vintage aesthetic appeals to collectors and enthusiasts, making it a standout piece in any garage.
3. Simplicity and Reliability: The uncomplicated engineering ensures ease of maintenance and dependable performance.

Cons:

1. Limited Speed: While it offers adequate power, it may not satisfy those looking for high-speed thrills.
2. Drum Brakes: The expanding drum brake system, while functional, may not provide the same stopping performance as modern disc brakes.
3. Kickstart Only: The absence of an electric starter may deter riders who prefer contemporary conveniences, especially in urban settings.

In summary, the 1939 NSU 601 OSL is a celebrated classic that brings together historical significance, engaging performance, and timeless design. Whether you’re a seasoned enthusiast or a newcomer to vintage motorcycles, the NSU 601 OSL is sure to leave an impression on your riding journey.