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Ariel MK2 Square Four
1956Allround

Ariel MK2 Square Four

Key specifications

Engine
997 cc
Fuel type
petrol
Fuel capacity
6.1 L
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1956 Ariel MK2 Square Four: a quintessential classic that captures the spirit of mid-20th-century motorcycling. Renowned for its innovative design and engineering prowess, the MK2 Square Four stands as a testament to Ariel's commitment to creating motorcycles that are not only functional but also a joy to ride. Positioned as an allrounder, this motorcycle appeals to enthusiasts who appreciate both performance and style, making it a desirable option for collectors and riders alike. At the heart of the MK2 Square Four lies a remarkable single-cylinder, four-stroke engine with a displacement of 997 ccm (60.84 cubic inches). This powerhouse is adept at delivering a smooth and responsive performance, allowing riders to glide effortlessly through city streets or conquer winding country roads. The carburettor fuel system ensures optimal fuel delivery, while the chain final drive provides a direct and engaging connection between rider and machine. With its robust engineering, the MK2 offers a unique riding experience characterized by a blend of power and agility, making it a joy to handle across diverse terrains. The MK2 Square Four is not just about performance; it also boasts several key features that highlight the technology of its era. Its tubular single loop frame offers a perfect balance of strength and lightweight agility, contributing to its nimble handling characteristics. The motorcycle is equipped with expanding drum brakes at both the front and rear, providing reliable stopping power that instills confidence in the rider. With a generous fuel capacity of 23 liters (6.08 gallons), the MK2 is designed for longer rides, ensuring that enthusiasts can traverse greater distances without frequent stops at the pump. **

Pros

  • Smooth Engine Performance: The single-cylinder, four-stroke engine delivers a balanced mix of power and efficiency, offering a satisfying riding experience.
  • Classic Aesthetic: The timeless design of the MK2 Square Four is sure to turn heads and attract admiration from fellow riders and onlookers alike.
  • Long-Distance Capability: With a fuel capacity of 23 liters, this motorcycle is well-suited for extended journeys, allowing riders to explore without the worry of constant refueling.

Cons

  • Drum Brake Limitations: While reliable, the expanding drum brakes may not offer the same stopping power and responsiveness as modern disc brakes.
  • Weight: The sturdy tubular frame contributes to a heavier overall weight, which may affect maneuverability for some riders, particularly in tight spots.
  • Maintenance Needs: Being a classic motorcycle, the MK2 might require more frequent maintenance and specialized knowledge, which could deter less experienced mechanics or riders.

Technical details

Source specification data

Make
Ariel
Model
MK2 Square Four
Category
Allround
Fuel System
Carburettor
Displacement
997.00 ccm (60.84 cubic inches)
Engine Details
Single cylinder, four-stroke
Transmission Type Final Drive
Chain
Fuel Capacity
23.00 litres (6.08 gallons)
Overall Length
2,100 mm (82.7 inches)
Seat
Dual
Wheels
Spoked
Rear Tyre
4-18
Frame Type
Tubular single loop
Front Tyre
3.25-19
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)