Ariel MK2 Square Four 1955 - Specifications & Review

Introducing the 1955 Ariel MK2 Square Four: A Classic in Allround Performance

The 1955 Ariel MK2 Square Four is a stunning embodiment of mid-20th century British engineering that still captivates motorcycle enthusiasts and collectors alike. Renowned for its unique design and robust performance, the MK2 Square Four sits confidently in the allround category, appealing to riders who crave versatility combined with classic aesthetics. Its striking presence on the road, paired with a rich history dating back to the 1930s, makes it a notable piece of motorcycling heritage that stands out among its contemporaries.

Power and Performance: A Two-Wheeled Masterpiece

Under the elegant exterior of the MK2 Square Four lies a powerful 997 cc single-cylinder, four-stroke engine, which delivers a performance that belies its vintage status. With a carburettor fuel system optimized for smooth throttle response, this motorcycle provides a satisfying and engaging ride, whether cruising along scenic back roads or navigating city streets. The chain final drive ensures efficient power transfer, allowing riders to experience the motorcycle’s torque and handling with precision. Riding the MK2 is an experience steeped in nostalgia, as its tubular single-loop frame offers stability and comfort, making it an ideal choice for both leisurely rides and spirited outings.

Key Features and Technological Highlights

The MK2 Square Four boasts several features that showcase the innovative design elements of its time. The classic tubular frame not only contributes to the motorcycle's striking profile but also enhances its rigidity and handling characteristics. Equipped with expanding drum brakes at both the front and rear, the bike offers reliable stopping power, characteristic of its era, ensuring a safe ride even under challenging conditions. With a generous fuel capacity of 23 liters (6.08 gallons), this motorcycle can cover considerable distances, making it a practical choice for long rides. The combination of these features results in a machine that is not only a joy to ride but also a testament to the engineering prowess of Ariel.

Pros and Cons of the 1955 Ariel MK2 Square Four

Pros:

1. Iconic Design: Its unique square four engine layout and vintage styling make it a head-turner at any gathering or on the road.
2. Comfortable Ride: The tubular frame and ergonomic design provide a comfortable riding experience, ideal for long journeys.
3. Strong Community: As a classic motorcycle, it has a dedicated following, with parts and restoration support available for enthusiasts.

Cons:

1. Limited Performance by Modern Standards: While it offers a nostalgic riding experience, its performance may not match the acceleration and handling capabilities of contemporary motorcycles.
2. Maintenance Requirements: The vintage components may require more frequent upkeep and specialized knowledge to maintain compared to modern bikes.
3. Weight: At a length of 2,100 mm (82.7 inches), the MK2 can feel heavy and less maneuverable, particularly for novice riders or those accustomed to lighter machines.

In summary, the 1955 Ariel MK2 Square Four is not just a motorcycle; it's a piece of history that continues to inspire generations of riders. Its blend of classic engineering, comfort, and distinctive styling ensures that it remains a cherished choice for enthusiasts who appreciate the art of motorcycling.