NSU 251 SS 1927 - Specifications & Review

Article Complete Info
| Articleid | 408405 |
|---|---|
| Category | Sport |
| Make | NSU |
| Model | 251 SS |
| Year | 1927 |
Chassis, Suspension, Brakes & Wheels
| Frontbrakes | Expanding brake (drum brake) |
|---|---|
| Fronttyre | 2.50-26 |
| Rearbrakes | Expanding brake (drum brake) |
| Reartyre | 2.50-26 |
| Seat | Single |
| Wheels | Spoked |
Engine & Transmission
| Borexstroke | 63.0 x 80.0 mm (2.5 x 3.1 inches) |
|---|---|
| Coolingsystem | Air |
| Displacement | 247.00 ccm (15.07 cubic inches) |
| Enginedetails | Single cylinder, four-stroke |
| Fuelsystem | Carburettor |
| Gearbox | 3-speed |
| Power | 10.00 HP (7.3 kW)) @ 4400 RPM |
| Topspeed | 100.0 km/h (62.1 mph) |
| Transmissiontypefinaldrive | Chain |
Other Specifications
| Starter | Kick |
|---|
Physical Measures & Capacities
| Dryweight | 110.0 kg (242.5 pounds) |
|---|---|
| Fuelcapacity | 7.75 litres (2.05 gallons) |
| Powerweightratio | 0.0909 HP/kg |
About NSU 251 SS 1927
Introducing the 1927 NSU 251 SS, a classic gem that embodies the spirit of the roaring twenties in the world of motorcycling. As a sport category motorcycle, the 251 SS was designed for performance enthusiasts who craved speed and agility. NSU, a pioneering name in the motorcycle industry, crafted this machine to stand out in an era when motorcycles were becoming symbols of freedom and adventure. With its elegant lines and vintage charm, the NSU 251 SS not only captures the essence of its time but also serves as a testament to the engineering prowess of early motorcycle manufacturers.
At the heart of the NSU 251 SS lies a robust 247cc single-cylinder, four-stroke engine, producing a commendable 10 horsepower at 4400 RPM. This spirited powerplant enables the motorcycle to reach a top speed of 100 km/h (62.1 mph), making it a thrilling ride for those who appreciate the rush of open roads. The engine is paired with a three-speed gearbox and a chain final drive, delivering a seamless and engaging riding experience. Riders of the 251 SS will appreciate its lightweight design, tipping the scales at just 110 kg (242.5 pounds), which contributes to its nimble handling and responsive performance, perfect for navigating both city streets and winding country roads.
The NSU 251 SS is equipped with several key features that enhance its performance and rider experience. It boasts a durable air-cooled engine paired with a carburettor fuel system, ensuring efficient fuel delivery and reliable starting via a classic kick starter. The motorcycle is fitted with expanding drum brakes at both the front and rear, providing adequate stopping power for spirited rides. With a fuel capacity of 7.75 liters (2.05 gallons), the 251 SS allows for longer excursions without frequent refueling, making it a practical choice for enthusiasts looking to soak in the scenery on their journeys.
Pros:
- Lightweight design enhances agility and handling, making it easy to maneuver.
- Classic styling with vintage charm appeals to collectors and enthusiasts alike.
- Reliable engine performance with a solid power-to-weight ratio for spirited rides.
Cons:
- Limited power output may not satisfy riders seeking high-performance capabilities.
- Drum brakes, while adequate for the era, may not provide the stopping power expected by modern riders.
- The three-speed gearbox could feel restrictive compared to contemporary motorcycles with more advanced transmission systems.
In summary, the 1927 NSU 251 SS is more than just a motorcycle; it is a piece of history that offers a unique blend of vintage charm and spirited performance. Whether you're a collector, a restoration enthusiast, or simply an admirer of classic motorcycles, the 251 SS promises an engaging ride steeped in the rich heritage of motorcycling.
