NSU 351 OT 1937 - Specifications & Review

Introducing the 1937 NSU 351 OT motorcycle, a remarkable blend of classic engineering and sporty aesthetics that captures the spirit of pre-war motorcycling. Positioned within the sport category, this machine was designed for those who craved performance and agility on the open road. With its striking lines and robust build, the NSU 351 OT has become a beloved icon among vintage motorcycle enthusiasts, representing a time when craftsmanship and innovative design were paramount.

At the heart of the NSU 351 OT lies a spirited single-cylinder, four-stroke engine with a displacement of 331 cc, delivering a respectable 12.5 horsepower at 5020 RPM. This power translates into a thrilling top speed of 105 km/h (65.2 mph), making it a competitive contender on the roads of its time. The 75 mm bore and stroke dimensions contribute to a balanced engine performance that offers both torque and smooth acceleration. Paired with an efficient Bing AJF 2/20 carburettor and air cooling, the engine provides a responsive riding experience, ideal for spirited rides through winding roads and city streets alike. The chain final drive ensures reliable power transfer, enhancing the bike's agility and handling.

The NSU 351 OT is adorned with features that reflect the technical prowess of its era. The chassis is complemented by robust expanding drum brakes at both the front and rear, providing reliable stopping power to match its spirited performance. Its compact dimensions—2,000 mm in length, 760 mm in width, and a weight of 150 kg—contribute to its nimble handling characteristics, making it a joy to maneuver in various riding conditions. With a fuel capacity of 12.30 litres, riders can enjoy extended journeys without frequent stops, further enhancing the motorcycle’s appeal for those adventurous souls seeking the thrill of the ride.

Pros:

1. Agile Handling: The lightweight design and compact dimensions provide excellent maneuverability, making it easy to navigate tight corners and urban environments.
2. Classic Aesthetics: The vintage styling and craftsmanship make the NSU 351 OT a standout piece for collectors and enthusiasts alike.
3. Decent Performance: With a top speed of 105 km/h, it offers a thrilling ride for a motorcycle of its generation, ideal for spirited weekend outings.

Cons:

1. Limited Power Output: The 12.5 HP may feel underwhelming for those accustomed to modern motorcycles; it’s more suited for leisurely rides than aggressive acceleration.
2. Drum Brakes: While effective for their time, the drum brakes may not provide the same stopping power or modulation as modern disc brakes.
3. Kick Start Only: The absence of an electric starter means riders need to rely on their kick-starting skills, which can be a challenge for some, especially in colder conditions.

In summary, the 1937 NSU 351 OT is not just a motorcycle; it’s a nostalgic journey back to a time of simplicity and elegance in motorcycling. With its charming design and spirited performance, it remains a prized possession for enthusiasts and collectors who appreciate the art of classic motorcycles.