AJS Model 20 500 1958 - Specifications & Review

AJS Model 20 500: The Quintessential All-Rounder

Introducing the 1958 AJS Model 20 500, a motorcycle that stands as a testament to the British engineering prowess of its era. Marketed as an all-rounder, the Model 20 500 was designed to cater to a wide range of riders, from the casual commuter to the weekend adventurer. With its classic styling and robust construction, this bike embodies the spirit of freedom and exploration that motorcycling enthusiasts crave. It’s not just a motorcycle; it's an invitation to the open road, promising versatility and reliability in equal measure.

At the heart of the AJS Model 20 500 lies a spirited 498cc twin-cylinder, four-stroke engine that delivers a respectable 20 horsepower at 6800 RPM. This powerplant propels the motorcycle to a top speed of 137 km/h (85 mph), making it capable of both spirited rides and leisurely cruises. The engine's 7.0:1 compression ratio and efficient carburettor fuel system ensure responsive acceleration and smooth operation, while the wet multiplate clutch allows for seamless gear shifts. With a lightweight chassis tipping the scales at just 178 kg (392.4 lbs), the Model 20 500 offers an engaging riding experience, whether navigating city streets or winding country roads.

The engineering of the AJS Model 20 500 is complemented by its thoughtful design features. The single cradle frame provides a sturdy foundation, while the telescopic front suspension and twin shock rear suspension work harmoniously to deliver a smooth ride over varying terrain. The drum brakes—both front and rear—offer reliable stopping power, a must for any rider seeking confidence on the road. Additionally, the bike's kick starter adds a nostalgic touch, connecting riders to the roots of motorcycling. Fueling this classic machine is a 13.5-litre tank, ensuring ample range for those long rides where adventure beckons.

#### Pros and Cons

Pros:

1. Classic Design: Timeless aesthetics that appeal to vintage motorcycle enthusiasts.
2. Versatile Performance: Capable of handling a variety of riding conditions with ease.
3. Lightweight Build: The low weight enhances maneuverability and rider control.

Cons:

1. Limited Power Output: While adequate for casual rides, the power may feel lackluster for performance enthusiasts.
2. Drum Brakes: While functional, they may not provide the same stopping power as modern disc brakes.
3. Kick Starter Only: The absence of an electric starter can be inconvenient for some riders, especially in cold weather.

In summary, the 1958 AJS Model 20 500 captures the essence of mid-century motorcycling with its blend of style, performance, and heritage. It invites riders to experience the thrill of the ride while appreciating the craftsmanship that went into its creation. Whether you’re a collector or a rider, this motorcycle promises to deliver charm and character like few others.