1939 BMW R51
Review of 1939 BMW R51
The BMW R51, produced in 1939, represents a significant milestone in motorcycle engineering and design. With its innovative 500cc overhead-valve engine, the R51 delivered a perfect blend of performance and reliability, capable of reaching speeds up to 90 km/h. Its iconic design featured a graceful, streamlined silhouette, enhanced by the distinctive BMW styling cues, including the prominent round headlamp and elegant fenders. The introduction of the plunger rear suspension system marked a notable advancement in ride comfort, allowing for improved handling and stability, especially on less-than-perfect road surfaces. Today, the BMW R51 holds a special place in the hearts of vintage motorcycle enthusiasts and collectors alike. Its combination of cutting-edge technology for its time, classic aesthetics, and robust construction make it a prized possession. As a testament to BMW's commitment to quality and innovation, the R51 not only reflects the brand's historical significance but also embodies the spirit of motorcycling in the pre-war era. With a steadily appreciating value in the collectors' market, owning a BMW R51 is not just about possessing a piece of machinery; it's about owning a piece of motorcycle history that continues to inspire and captivate enthusiasts around the world.
Advantages
- Classic Design: The BMW R51 boasts a timeless and elegant aesthetic, characterized by its streamlined bodywork and vintage styling that appeals to classic motorcycle enthusiasts.
- Smooth Performance: Equipped with a 500cc twin-cylinder engine, the R51 delivers a smooth and reliable ride, providing a good balance of power and torque for its era.
- Technological Innovation: As a product of its time, the R51 features advanced engineering, including shaft drive and telescopic front forks, which were cutting-edge technologies in the late 1930s.
- Comfortable Ride: The R51 is designed with rider comfort in mind, offering a well-padded seat and ergonomic positioning that allows for long-distance cruising without undue fatigue.
- Strong Community and Support: Being a classic BMW motorcycle, the R51 has a dedicated community of enthusiasts and ample resources for restoration and maintenance, making it easier for owners to keep their bikes in top condition.
Disadvantages
- Limited Power and Performance: With a 500cc engine producing around 26 horsepower, the R51 may feel underpowered compared to more modern motorcycles, making it less suitable for highway speeds or aggressive riding.
- Weight and Handling: The R51 is relatively heavy for its class, which can affect maneuverability, especially for newer riders or in tight situations, making it less agile than lighter motorcycles.
- Maintenance and Parts Availability: As a vintage motorcycle, finding replacement parts can be challenging and often expensive. Maintenance may require specialized knowledge or skills that are less common today.
- Comfort for Long Rides: The riding position and seat design may not provide the same level of comfort as modern touring bikes, which can lead to discomfort on longer journeys.
- Braking Performance: The R51 features drum brakes, which may not offer the same stopping power or responsiveness as modern disc brakes. This can be a concern for safety, especially in emergency situations. These drawbacks highlight some of the limitations of the BMW R51 as a vintage motorcycle.
Alternatives
- Norton Model 18 (1932-1939) The Norton Model 18 is a classic British motorcycle known for its robust construction and performance. With a 500cc single-cylinder engine, it offers a more lightweight and nimble ride compared to the heavier BMW. The Model 18 features a simple design that emphasizes reliability and ease of maintenance.
- BSA M20 (1937-1951) The BSA M20 is a quintessential pre-war motorcycle that served as a military bike during World War II. It is equipped with a 500cc side-valve engine, providing ample torque and smooth riding experience. Its rugged build and straightforward design make it a favorite among vintage bike enthusiasts.
- Triumph Speed Twin (1938-1940) The Triumph Speed Twin is often credited with revolutionizing motorcycle design in the late 1930s. With its 500cc parallel-twin engine, it delivers excellent power and performance. The Speed Twin's stylish design and innovative engineering paved the way for many future motorcycles and made it a prominent figure in motorcycling history.
- Indian Chief (1936-1948) The Indian Chief is an iconic American cruiser known for its classic styling and powerful V-twin engine. With a displacement of 74 cubic inches (1216cc), it offers a comfortable and smooth ride, making it perfect for long-distance cruising. The Chief's distinctive look and rich heritage appeal to collectors and vintage motorcycle enthusiasts alike.
- Ducati 250 Desmo (1956) Although slightly post-dating the R51, the Ducati 250 Desmo is noteworthy for its innovative engineering. Featuring a 250cc single-cylinder engine with a desmodromic valve system, it showcases Ducati's commitment to performance and technology. The lightweight frame and sporty handling make it a fun alternative for those seeking a blend of classic and sporty riding experiences. These motorcycles each represent a unique aspect of their respective eras and offer different riding experiences compared to the BMW R
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