NSU 251 OSL

⚠️ Things to consider

• Limited Power Output: The 251 OSL is equipped with a modest engine that may not provide enough power for riders seeking high performance or faster speeds, particularly compared to more modern motorcycles.
• Weight: The motorcycle can be on the heavier side for its class, which might affect handling and maneuverability, especially for less experienced riders.
• Availability of Parts: As a vintage motorcycle, finding replacement parts can be challenging and potentially expensive, making maintenance and repairs more difficult.
• Comfort and Ergonomics: The design and seating position may not be as comfortable as modern motorcycles, which can lead to discomfort on longer rides.
• Braking and Suspension Technology: The 251 OSL utilizes older braking and suspension technology, which may not provide the same level of safety and ride quality as contemporary motorcycles.

⚖️ Comparison & Competition

• BMW R5 (1936) The BMW R5 is known for its innovative design and engineering, featuring a 494cc flat-twin engine that produced around 24 horsepower. Its iconic styling, combined with advanced features like a shaft drive and telescopic front forks, made it a popular and influential model in the pre-war era.
• Ducati 250 (1950) The Ducati 250, particularly the Ducati 250 Mark 3, stood out for its lightweight construction and nimble handling. Equipped with a single-cylinder engine, it delivered a sporty performance and became a favorite among enthusiasts for its agility and classic Italian design.
• BSA Gold Star (1938) The BSA Gold Star was a performance-oriented motorcycle that gained popularity in the 1940s and 1950s. With its 350cc or 500cc single-cylinder engine, it was built for speed and racing, showcasing a blend of style and functionality that appealed to both racers and everyday riders.
• Triumph Speed Twin (1938) The Triumph Speed Twin was a landmark model in the motorcycle world, featuring a 500cc parallel-twin engine that offered a perfect balance of power and handling. Its design influenced many future motorcycles and contributed to Triumph's reputation for building reliable and stylish bikes.
• Norton 16H (1931) The Norton 16H, a 490cc single-cylinder motorcycle, was known for its ruggedness and reliability. Often used by military forces during World War II, it combined practicality with a straightforward design, making it a popular choice for both civilian and military applications. These alternatives reflect the diverse engineering and design philosophies of the era, each contributing to the evolution of motorcycles in their own unique way

The NSU 251 OSL produces 9 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

Manufacturer-quoted consumption: 2.30 litres/100 km (43.5 km/l or 102.27 mpg).

⛽ Tank: 11.50 litres (3.04 gallons)

Insurance grouping for NSU 251 OSL (242cc):

• 📋 Group 8-15 — mid-range
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Insurance Calculator (UK est.)

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Personalised premium estimate for the NSU 251 OSL (UK rates):

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💡 Estimate based on UK market averages. For real quotes, compare on Compare the Market, MoneySuperMarket, GoCompare.

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Price Estimate

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Estimated price range for the NSU 251 OSL based on comparable motorcycles:

AVERAGE

$2,213

📊 Category-based (25 motorcycles) · Approximate (USD)

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Buy New & Used

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Find new and used NSU 251 OSL 1935 listings:

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💡 Third-party listings. MotoBike Info is informational only.

• 👤 Final premium varies by rider age, history, location.