Ariel MK2 Square Four 1958 - Specifications & Review

Step back in time to 1958, where the roads were ruled by the roaring engines of classic motorcycles, and one name stood out among the competition—the Ariel MK2 Square Four. This remarkable all-round motorcycle was a testament to British engineering prowess, capturing the imagination of riders who sought both style and performance. With its distinct design and innovative features, the MK2 Square Four carved a niche for itself in a market bustling with competition, offering enthusiasts a unique blend of power, comfort, and timeless aesthetics.

At the heart of the Ariel MK2 Square Four lies a robust 997cc single-cylinder, four-stroke engine, designed to deliver an exhilarating ride. This powerplant, paired with a carburettor fuel system, produces an impressive torque that allows for smooth acceleration and satisfying throttle response. Riders can expect a harmonious balance between power and control, making every journey an adventure, whether cruising through city streets or tackling winding country roads. The MK2's chain final drive ensures a direct connection between the engine and the rear wheel, enhancing the overall riding experience and providing that classic motorcycle feel that enthusiasts cherish.

The MK2 Square Four boasts a tubular single-loop frame that not only contributes to its striking aesthetic but also enhances the motorcycle's stability and handling. With its expanding drum brakes at both the front and rear, riders can feel confident bringing the bike to a controlled stop. The motorcycle's generous fuel capacity of 23 liters (6.08 gallons) means longer rides are achievable without frequent stops at the pump, allowing riders to fully immerse themselves in the freedom of the open road. Its sleek dimensions, measuring 2,100 mm (82.7 inches) in length, make it an agile companion for navigating through various terrains, embodying the spirit of adventure.

PROs:

1. Timeless Design: The Ariel MK2 Square Four's classic styling and unique square four engine configuration set it apart from other motorcycles of its era.
2. Comfortable Ride: With a well-balanced frame and generous fuel capacity, this bike is perfect for long rides, combining comfort with performance.
3. Strong Performance: The single-cylinder engine delivers a satisfying torque and acceleration, making it a joy to ride whether you're in the city or on a country road.

CONs:

1. Limited Power Output: While the MK2 offers good torque, some riders may find the power output less impressive compared to modern motorcycles.
2. Drum Brakes: The expanding drum brakes, while effective for their time, may not provide the stopping power and responsiveness that contemporary riders expect.
3. Heavier Weight: The robust construction of the chassis adds weight, which may affect maneuverability for less experienced riders.

Overall, the 1958 Ariel MK2 Square Four remains a cherished piece of motorcycle history, captivating enthusiasts with its distinctive character and performance. Whether you're a collector or a rider who appreciates the classics, the MK2 Square Four is sure to leave an indelible mark on your journey through the world of motorcycling.