AJS Model 31 650 Swift 1963 - Specifications & Review

Discovering the 1963 AJS Model 31 650 Swift: A Classic Allrounder

The 1963 AJS Model 31 650 Swift stands as a testament to British motorcycle engineering, capturing the essence of the golden age of motorcycling. Positioned in the all-round category, this motorcycle was designed to cater to diverse riding needs, whether it's a leisurely cruise through the countryside or a spirited ride on city streets. AJS, a name synonymous with quality and performance, crafted the Model 31 to appeal to both seasoned riders and newcomers alike, making it a beloved choice for enthusiasts of vintage motorcycles.

At the heart of the Model 31 lies a robust 646cc V2 four-stroke engine, producing a commendable 31.4 horsepower at 6000 RPM. This power allows for responsive acceleration and a satisfying ride, especially in urban settings where agility matters. The engine's 7.5:1 compression ratio, paired with a carburettor fuel system, offers a reliable performance that balances power and efficiency. Riders will appreciate the air-cooled design that keeps things simple and reduces maintenance, while the wet multiplate clutch provides smooth engagement and control. With a final drive operated by a chain, the Model 31 delivers a connected riding experience that many modern motorcycles strive to emulate.

The chassis of the AJS Model 31 is built on a double cradle frame, ensuring stability and comfort during rides. The hydraulic telescopic front suspension and twin shock Girling rear suspension work in harmony to absorb bumps, making the motorcycle feel nimble while tackling corners. Coupled with drum brakes at both ends, the braking system is effective, offering confidence to riders as they navigate through various terrains. With a fuel capacity of 16 liters, riders can embark on longer journeys without the constant worry of refueling, making it an ideal companion for weekend escapades.

Pros and Cons of the 1963 AJS Model 31 650 Swift

Pros:

1. Classic Design: The aesthetic appeal of the 1963 AJS Model 31 is timeless, drawing admiration from classic motorcycle enthusiasts and collectors.
2. Reliable Performance: With a solid engine performance and a straightforward maintenance regime, riders can enjoy a dependable riding experience.
3. Comfortable Ride: The combination of effective suspension and a well-balanced frame promotes comfort over long distances and varied road conditions.

Cons:

1. Limited Power: While 31.4 HP is adequate for cruising, it may not satisfy those seeking high-performance thrills or faster acceleration.
2. Drum Brakes: The drum braking system, though adequate for its time, may not provide the stopping power or responsiveness that modern riders are accustomed to.
3. Kick Start Only: The traditional kick starter can be a nostalgic feature for some, but it may be less convenient for those who prefer the ease of electric starting found in contemporary models.

In summary, the 1963 AJS Model 31 650 Swift is a charming motorcycle that embodies the spirit of its era. With its robust engine, classic styling, and comfortable riding characteristics, it continues to be a cherished piece of British motorcycle history, appealing to a wide range of enthusiasts.