Ariel 4F Square Four 600 1934 - Specifications & Review

Introducing the 1934 Ariel 4F Square Four 600: A Classic Icon of Motorcycling

In the rich tapestry of motorcycle history, few machines stand out quite like the 1934 Ariel 4F Square Four 600. This all-around classic motorcycle is a testament to the innovation and craftsmanship that defined the pre-war era. Positioned as a versatile and reliable choice for riders of the time, the 4F Square Four captured the imagination of enthusiasts with its unique design and robust performance. Sporting a striking black finish, this motorcycle is not just a means of transportation; it is a symbol of freedom and adventure that beckons to be ridden.

Unleashing Performance: The Heart of the Beast

At the core of the 1934 Ariel 4F is its remarkable square four-cylinder engine, boasting a displacement of 601 cc and delivering a respectable 23 HP at 5600 RPM. This engine configuration, a rarity even today, provides a smooth and responsive ride, allowing the motorcycle to reach a top speed of 140 km/h (87 mph). With a compression ratio of 6.9:1 and a well-tuned Amal carburettor, the 4F Square Four offers a delightful balance of power and efficiency. The four-speed gearbox allows for seamless transitions between gears, while the chain final drive ensures reliable performance whether cruising on the open road or navigating city streets. The air-cooled engine, coupled with a lightweight frame weighing in at just 168 kg (370.4 lbs), results in an exhilarating riding experience that remains engaging and enjoyable.

The Features that Define the Ride

The Ariel 4F Square Four is not just about performance; it's also a marvel of engineering with features that enhance both comfort and control. The tubular single-loop frame provides a solid foundation, while the spring girder front suspension absorbs bumps and imperfections in the road, ensuring a smooth ride. Both front and rear drum brakes offer reliable stopping power, giving riders the confidence they need when navigating various terrains. The optional sidecar adds versatility, making this classic a perfect choice for those looking to share their ride with a passenger or simply haul some extra gear. With a fuel capacity of 13.25 liters (3.50 gallons), the 4F Square Four is ready to take on longer journeys without frequent stops, embodying the spirit of adventure that motorcycle enthusiasts cherish.

Pros and Cons of the Ariel 4F Square Four 600

Pros:

1. Unique Engine Design: The square four-cylinder engine offers a distinctive performance and sound that stands out among traditional twin-cylinder motorcycles.
2. Smooth Riding Experience: The spring girder front suspension coupled with a lightweight frame ensures a comfortable and nimble ride, perfect for both city commuting and longer excursions.
3. Classic Aesthetic with Modern Reliability: The timeless black finish and classic design attract attention while the robust engineering ensures reliable performance for today’s riders.

Cons:

1. Limited Power Output: With 23 HP, some riders may find the performance lacking compared to more modern machines boasting significantly higher horsepower.
2. Drum Brakes: While reliable for their time, drum brakes may not provide the same level of stopping power and responsiveness as contemporary disc brakes.
3. Kick Start Only: The absence of an electric starter may deter some riders who prefer the convenience of modern starting systems, especially in cold weather conditions.

In summary, the 1934 Ariel 4F Square Four 600 is a remarkable motorcycle that blends classic aesthetics with innovative engineering, making it a coveted treasure for vintage motorcycle enthusiasts. Whether you’re drawn to its unique engine design, smooth handling, or historical significance, this iconic machine continues to capture hearts and ignite the spirit of adventure.