NSU 351 OSL

⚠️ Things to consider

• Limited Availability of Parts: Due to its age and historical significance, finding replacement parts for the NSU 351 OSL can be challenging, making maintenance and repairs more difficult.
• Performance Compared to Modern Standards: While it was innovative for its time, the performance of the NSU 351 OSL may feel underwhelming compared to contemporary motorcycles, particularly in terms of speed and handling.
• Comfort and Ergonomics: The riding position and seat comfort may not meet the expectations of modern riders, especially on longer journeys, as design standards have evolved significantly since
• Weight: The bike can be relatively heavy for its size, which may impact maneuverability and ease of handling, especially for less experienced riders.
• Limited Technology: The NSU 351 OSL lacks modern features such as advanced braking systems, suspension technology, and fuel efficiency improvements, which can detract from the overall riding experience compared to newer models.

⚖️ Comparison & Competition

• BMW R51/3 (1938) The BMW R51/3 was a classic motorcycle known for its smooth performance and innovative engineering. Featuring a 500cc twin-cylinder engine, it combined reliability with a comfortable ride. Its shaft drive offered low maintenance and durability, making it a popular choice for long-distance touring.
• Ducati 250 Monza (1958) The Ducati 250 Monza, while slightly post-dating the NSU 351 OSL, was a lightweight, agile motorcycle with a 250cc single-cylinder engine. Known for its sporty handling and charming design, it became a favorite among enthusiasts looking for a fun and responsive ride.
• AJS Model 18 (1949) The AJS Model 18 was a classic British motorcycle that featured a 500cc single-cylinder engine. Known for its robust build quality and excellent road presence, it offered a balance of power and comfort, making it suitable for both commuting and leisure riding.
• Matchless G80 (1949) Another British classic, the Matchless G80, was powered by a 500cc single-cylinder engine and was celebrated for its performance and reliability. With a stylish design and a reputation for durability, it became a popular choice among riders during the post-war motorcycle boom.
• Triumph Tiger 100 (1939) The Triumph Tiger 100 was known for its sporty performance and sleek design. Featuring a 500cc parallel-twin engine, it offered a blend of power and agility. This motorcycle was well-regarded for its handling and became a favorite among riders who appreciated performance-oriented bikes. These alternatives represent a range of options from the late 1930s to the post-war era, each with distinct characteristics that appealed to different types of riders

The NSU 351 OSL produces 18 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

Estimated average for 346cc class: 45-60 mpg (4.0-5.5 L/100km)

Insurance grouping for NSU 351 OSL (346cc):

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

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Personalised premium estimate for the NSU 351 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 351 OSL based on comparable motorcycles:

AVERAGE

$2,439

📊 Category-based (20 motorcycles) · Approximate (USD)

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Buy New & Used

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Find new and used NSU 351 OSL 1938 listings:

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