Sunbeam S7 500 1952 - Specifications & Review

Introducing the 1952 Sunbeam S7 500, a quintessential example of British engineering that encapsulates the essence of sport touring motorcycles in the post-war era. With its elegant lines and distinctive styling, the S7 500 stands out in a crowded market, appealing to riders who appreciate both performance and aesthetic charm. This motorcycle was designed for those who craved adventure without sacrificing comfort, offering a unique blend of practicality and sophistication that made it a popular choice among discerning enthusiasts.

At the heart of the Sunbeam S7 500 lies a robust 487cc twin four-stroke engine, generating a respectable 24 horsepower at 5800 RPM. With a compression ratio of 6.5:1, this engine provides a smooth yet responsive ride, easily propelling the bike to a top speed of 121 km/h (75.2 mph). The oil and air cooling system helps maintain optimal operating temperatures, ensuring that the rider can enjoy long-distance journeys without worry. The shaft drive (cardan) offers a low-maintenance solution for power delivery, while the dry single plate clutch ensures seamless shifting. Riders can expect a comfortable and engaging experience, thanks to the twin cradle frame and telescopic front suspension, which work in harmony with the plungers at the rear to absorb bumps and deliver a confident ride.

The 1952 Sunbeam S7 500 is not just about performance; it is also rich in features that enhance the overall riding experience. The bike is equipped with drum brakes both front and rear, providing ample stopping power when needed. The classic kick starter adds a touch of nostalgia, while the minimalist black or green color options reflect its timeless aesthetic. Weighing in at 194 kg (427.7 pounds), the S7 500 strikes a commendable balance between agility and stability, making it a versatile choice for both city commutes and countryside escapades.

Pros:

1. Classic Design: The Sunbeam S7 500 boasts a timeless aesthetic that appeals to vintage motorcycle enthusiasts and collectors alike.
2. Comfortable Ride: Its well-engineered suspension and ergonomics provide a smooth and enjoyable ride, perfect for long-distance touring.
3. Low Maintenance: The shaft drive system reduces the need for frequent maintenance compared to chain-driven alternatives.

Cons:

1. Limited Power: With only 24 HP, the S7 500 may feel underpowered for riders seeking high-speed thrills or rapid acceleration.
2. Weight: At 194 kg, it may feel cumbersome for new riders or those accustomed to lighter motorcycles.
3. Drum Brakes: While adequate for its time, the drum brake system may not offer the same level of performance and reliability as modern disc brakes.

Overall, the 1952 Sunbeam S7 500 represents a thoughtful blend of style, comfort, and engineering, making it a beloved classic among motorcycle aficionados.