NSU 601 OSL 1937 - Specifications & Review

Introducing the 1937 NSU 601 OSL, an icon of German engineering and a standout in the allround motorcycle category. As the late 1930s ushered in a new era of motorcycling, NSU embraced innovation and reliability, positioning the 601 OSL as a versatile machine that catered to both commuting and leisure riding. With its distinctive styling and robust construction, the 601 OSL not only captured the essence of the period but also laid the groundwork for future advancements in motorcycle design.

At the heart of the 601 OSL lies a spirited 562cc single-cylinder four-stroke engine, generating a respectable 24 horsepower at 4950 RPM. This powerplant, with its classic bore and stroke of 85.0 x 99.0 mm, delivers a satisfying blend of torque and responsiveness, making for an exhilarating riding experience. The Amal carburetor ensures optimal fuel delivery, allowing riders to enjoy smooth acceleration and reliable performance on various terrains. The air-cooled engine's simplicity contributes to its charm, providing enthusiasts with the thrill of a genuine vintage ride while maintaining ease of maintenance.

The chassis of the 601 OSL is equipped with expanding drum brakes at both the front and rear, offering dependable stopping power that complements its spirited acceleration. Weighing in at 150 kg (330.7 pounds), the motorcycle boasts a commendable power-to-weight ratio of 0.1600 HP/kg, ensuring nimble handling and a responsive ride. The classic kickstarter adds an element of nostalgia, inviting riders to engage with the machine in a tactile manner. With its robust build and timeless design, the NSU 601 OSL remains a cherished piece of motorcycle history, offering a glimpse into the evolution of two-wheeled transportation.

PROs:

1. Classic Styling: The NSU 601 OSL features vintage aesthetics that appeal to classic motorcycle enthusiasts.
2. Reliable Performance: The air-cooled single-cylinder engine provides dependable power and ease of maintenance.
3. Nimble Handling: Its lightweight design and balanced power-to-weight ratio allow for agile maneuverability.

CONs:

1. Limited Power: While adequate for casual riding, the 24 HP may not satisfy those seeking high-performance thrills.
2. Drum Brakes: The expanding drum brake system, though reliable for its time, may feel less responsive compared to modern disc brakes.
3. Kickstarter Only: The absence of an electric starter can be less convenient for some riders, especially in cold weather or less-than-ideal starting conditions.

The 1937 NSU 601 OSL is more than just a motorcycle; it represents a pivotal moment in motorcycling history, capturing the spirit of a bygone era with its charm and performance.