Ariel 4G Square Four 1000 1939 - Specifications & Review

Introducing the 1939 Ariel 4G Square Four 1000

The 1939 Ariel 4G Square Four 1000, affectionately known as the "Squariel," stands as a remarkable piece of engineering that has captivated motorcycle enthusiasts since its introduction. Positioned squarely in the all-rounder category, the 4G combines classic aesthetics with innovative technology, making it a desirable choice for riders looking to blend practicality with unique style. With its distinctive square four-cylinder engine, this motorcycle offers a striking departure from the conventional parallel twin and V-twin configurations that dominated the era, solidifying its reputation as a pioneering design in the motorcycle market.

Engine Performance and Riding Experience

At the heart of the Ariel 4G Square Four 1000 lies a potent 997cc engine, delivering an impressive 35 horsepower at 5,500 RPM. This square four configuration, with its 6.0:1 compression ratio and two valves per cylinder, provides an exhilarating riding experience. Riders can expect smooth acceleration and a top speed of 140 km/h (87 mph), making it more than capable of keeping up with modern traffic. The air-cooled engine is paired with a 4-speed gearbox and chain final drive, allowing for precise gear changes and a responsive ride. Whether cruising through city streets or tackling winding country roads, the 4G offers a delightful mix of power and stability, enhanced by its tubular single-loop frame and supportive plunger-link rear suspension.

Key Features and Technology

The Ariel 4G Square Four 1000 is laden with features that showcase the craftsmanship of the time. Its sleek red and silver color options not only enhance its visual appeal but also reflect the timeless elegance associated with classic motorcycles. The bike is equipped with both front and rear expanding drum brakes, providing reliable stopping power, while the telescopic front forks ensure a comfortable ride over uneven surfaces. Additionally, with a fuel capacity of 23 liters (6.08 gallons), riders can embark on longer journeys without the frequent need for refueling. The kick starter mechanism adds a touch of vintage charm, appealing to purists and collectors alike.

Pros and Cons

Pros:

1. Unique Engine Design: The square four-cylinder engine offers smooth power delivery and a distinctive sound, setting it apart from typical motorcycle engines.
2. Stylish Aesthetics: The classic design, coupled with elegant color options, makes the 4G a head-turner at any gathering of motorcycle enthusiasts.
3. Comfortable Ride: The combination of telescopic front suspension and plunger-link rear suspension creates a balanced and comfortable riding experience.

Cons:

1. Weight Consideration: At 193 kg (425.5 lbs), the 4G may feel heavy to novice riders, especially during low-speed maneuvers.
2. Limited Performance Upgrades: Being a classic motorcycle, options for modern performance enhancements may be limited compared to contemporary models.
3. Maintenance Needs: The vintage design may require more frequent maintenance and specialized knowledge, which could deter some riders.

In conclusion, the 1939 Ariel 4G Square Four 1000 is not just a motorcycle; it's a piece of history that combines innovative engineering with timeless aesthetics. For those who admire the charm of classic motorcycles and seek a unique riding experience, the Squariel promises to deliver both performance and character in spades.