Sunbeam S7 500 1950 - Specifications & Review

Introducing the 1950 Sunbeam S7 500: A Classic Sport Touring Icon

The 1950 Sunbeam S7 500 stands as a captivating blend of British engineering and design sophistication, designed to cater to the sport touring market. With its robust frame and elegant aesthetics, the S7 500 was intended for riders who sought more than just a means to get from point A to point B. It offered an exhilarating experience that combined performance with comfort, making it a popular choice for those who cherished long-distance rides through the picturesque British countryside.

Engine Performance and Riding Characteristics

At the heart of the S7 500 lies a spirited 487cc twin, four-stroke engine that churns out a respectable 24 horsepower at 5,800 RPM. This powerplant propels the motorcycle to a top speed of 121 km/h (75.2 mph), making it a competitive option for its time. The 6.5:1 compression ratio optimizes the engine's efficiency, while the oil and air cooling system ensures that it remains stable even during long rides. The combination of a dry single-plate clutch and a reliable shaft drive offers smooth transitions and a connected feel to the road, allowing riders to enjoy the S7's performance without sacrificing comfort. With a power-to-weight ratio of 0.1237 HP/kg, the S7 is agile enough for spirited rides while retaining the stability needed for relaxed cruising.

Key Features and Technology

The Sunbeam S7 500 is not just about raw power; it’s equipped with features that enhance both performance and rider enjoyment. The twin cradle frame provides a sturdy foundation, complemented by a telescopic front suspension and plungers at the rear, ensuring a smooth ride over varied terrains. Both front and rear brakes are expanding drum brakes that deliver reliable stopping power, giving riders confidence on the road. A kick starter adds a touch of vintage charm while ensuring that this classic beauty is always ready to roar to life. Available in classic black and green color options, the S7 500 is not just a motorcycle; it’s a statement on two wheels.

Pros and Cons of the 1950 Sunbeam S7 500

Pros:

1. Classic Design: Timeless aesthetics that capture the essence of mid-20th century motorcycling.
2. Smooth Ride: Excellent suspension setup and shaft drive contribute to a comfortable riding experience.
3. Reliable Performance: The engine’s robust design ensures dependable power for both city commuting and long-distance travels.

Cons:

1. Limited Power: While sufficient for its era, modern riders might find the 24 HP less thrilling compared to contemporary motorcycles.
2. Weight: At 194 kg (427.7 lbs), it may feel cumbersome for some riders, especially at low speeds.
3. Maintenance: As a vintage motorcycle, sourcing parts and finding knowledgeable service can be a challenge for owners.

For enthusiasts and collectors alike, the 1950 Sunbeam S7 500 is not merely a motorcycle; it embodies a rich history and a passion for the open road, making it a treasured piece of motorcycling heritage.