NSU 351 OT 1936 - Specifications & Review

Introducing the 1936 NSU 351 OT Motorcycle

Step back in time to the mid-1930s, an era rich with innovation and the burgeoning spirit of motorcycling, and meet the NSU 351 OT—a true gem of the sport category. NSU, a pioneering name in the motorcycle world, crafted this model to appeal to both the racing enthusiast and the everyday rider. With its distinctive styling and robust build, the 351 OT captures the essence of sporty performance while showcasing a design that has stood the test of time. This motorcycle is not just a mode of transport; it’s a slice of history, embodying the craftsmanship and technical prowess of pre-war engineering.

Engine Performance and Riding Characteristics

At the heart of the NSU 351 OT lies a spirited 331cc single-cylinder, four-stroke engine, which delivers a respectable 12.5 horsepower at 5020 RPM. This powerplant is engineered for an exhilarating ride, allowing the 351 OT to reach a top speed of 105 km/h (65 mph)—a notable feat for its era. The uniform bore and stroke of 75mm ensures a balanced power delivery that makes the motorcycle nimble and responsive on the road. The air-cooled engine is complemented by a Bing AJF 2/20 carburettor, providing efficient fuel delivery for those spirited rides. The chain final drive adds a touch of reliability and ease of maintenance, making the NSU 351 OT not just a delight to ride, but also practical for the everyday motorcyclist.

Key Features and Technology

The NSU 351 OT boasts a robust open tubular steel frame that not only enhances its classic aesthetics but also contributes to a lightweight yet sturdy construction. Weighing in at only 150 kg (330.7 lbs), this motorcycle strikes a remarkable balance between performance and control, making it an excellent choice for spirited sport riding. The front and rear expanding drum brakes offer reliable stopping power, ensuring that safety is never compromised, no matter how thrilling the ride becomes. With a fuel capacity of 12.3 litres (3.25 gallons), the 351 OT is well-equipped for longer journeys, allowing riders to explore without the constant worry of refueling. Kick-starting the engine adds a touch of nostalgia, connecting riders to a simpler time in motorcycling history.

Pros and Cons

Pros:

1. Classic Design: The timeless aesthetics of the NSU 351 OT make it a standout among vintage motorcycles, appealing to collectors and enthusiasts alike.
2. Lightweight & Agile: Weighing only 150 kg, this bike offers excellent maneuverability and handling, ideal for both city riding and twisty country roads.
3. Reliable Performance: With a proven engine design and efficient fuel system, riders can expect consistent performance and dependable reliability.

Cons:

1. Limited Power: The 12.5 HP engine may not satisfy those seeking high-performance thrills compared to modern motorcycles.
2. Drum Brakes: While reliable for their time, the drum brakes may not offer the same stopping power or feel as contemporary disc brake systems.
3. Kick Start Only: The traditional kick starter may deter some riders who prefer the convenience of electric starters found on newer models.

In conclusion, the 1936 NSU 351 OT is more than just a motorcycle; it’s a testament to the engineering prowess of its time, marrying performance with classic style. Whether you’re a vintage motorcycle aficionado or simply seeking a unique ride, the NSU 351 OT promises an engaging experience that celebrates the rich history of motorcycling.