NSU 501 OSL 1935 - Specifications & Review

Introducing the 1935 NSU 501 OSL, a motorcycle that elegantly straddles the line between classic design and spirited performance. Positioned in the sport category, the NSU 501 OSL doesn’t just turn heads with its vintage aesthetic; it also offers an exhilarating ride for enthusiasts seeking a connection to motorcycling’s rich heritage. With its distinctive styling and robust engineering, this model captures the essence of pre-war motorcycle culture, appealing to collectors and riders alike who appreciate the craftsmanship of an era long past.

At the heart of the 501 OSL lies a powerful 494cc single-cylinder, four-stroke engine that delivers a respectable 22 horsepower at 5,150 RPM. This setup enables the bike to reach thrilling speeds of up to 130 km/h (80.8 mph), making it a delightful companion on winding roads and open highways. The engine’s bore and stroke dimensions of 80.0 x 99.0 mm (3.1 x 3.9 inches) provide a balanced power band, while the air-cooled system ensures reliable performance during extended rides. The 4-speed gearbox allows for smooth gear transitions, enhancing the overall riding experience by providing just the right amount of power when you need it most.

The NSU 501 OSL is not just about power; it’s also equipped with features that reflect the technological advancements of its time. The sturdy steel frame contributes to its durability and stability, while the expanding drum brakes at both the front and rear ensure confident stopping power. The bike's dimensions, with a length of 2,180 mm (85.8 inches) and a weight of 150 kg (330.7 pounds), create an agile yet grounded riding experience. Complemented by a fuel capacity of 12.30 liters (3.25 gallons), the motorcycle is built for longer journeys, allowing riders to immerse themselves in the joy of the open road without frequent refueling stops.

Pros and Cons of the 1935 NSU 501 OSL

Pros:

1. Classic Design: The timeless styling appeals to vintage motorcycle enthusiasts and collectors.
2. Solid Performance: Delivers a thrilling ride with a top speed of 130 km/h, backed by a reliable engine.
3. Durable Build: The steel frame and robust components enhance stability and longevity.

Cons:

1. Limited Power: While adequate for casual riding, it may feel underpowered for riders seeking high-performance capabilities.
2. Drum Brakes: The expanding drum brake system, though effective for its time, may not offer the same stopping power and responsiveness as modern disc brakes.
3. Kick Start Only: The traditional kick start can be a challenge for some riders accustomed to electric start systems, especially in colder weather.

With its captivating history and spirited performance, the 1935 NSU 501 OSL stands as a testament to the golden age of motorcycling, inviting both seasoned riders and newcomers to experience the thrill of the ride.