What is the engine displacement of the 1963 AJS Model 31 650 Swift?

The 1963 AJS Model 31 650 Swift has an engine displacement of 646.00 ccm (39.42 cubic inches).

How much horsepower does the 1963 AJS Model 31 650 Swift have?

The 1963 AJS Model 31 650 Swift produces 31.40 HP (22.9 kW)) @ 6000 RPM of power.

How much does the 1963 AJS Model 31 650 Swift weigh?

The 1963 AJS Model 31 650 Swift has a dry weight of 176.0 kg (388.0 pounds).

1963 AJS Model 31 650 Swift Price, Specs, Review

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Review

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The AJS Model 31 650 Swift 1963 is a classic motorcycle that embodies the essence of British engineering excellence. With its powerful 650cc engine, iconic styling, and smooth performance, this bike offers a thrilling riding experience for enthusiasts and collectors alike. The attention to detail in its design, from the chrome accents to the elegant lines, reflects the craftsmanship of a bygone era. Despite its age, the AJS Model 31 650 Swift 1963 continues to hold its value in the motorcycle market due to its rarity and historical significance. Owning one of these vintage bikes not only provides a connection to motorcycling heritage but also serves as a testament to the enduring quality of British motorcycles. Whether displayed as a collector's piece or ridden on the open road, the AJS Model 31 650 Swift 1963 remains a prized possession for those who appreciate the beauty and performance of classic motorcycles.

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Pros (Advantages)
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✅ Why buy this bike?
Classic British styling that appeals to vintage motorcycle enthusiasts.Reliable 650cc engine with a smooth power delivery for a comfortable ride.Comfortable riding position with a spacious seat and well-positioned handlebars.Solid build quality and durable construction for long-lasting performance.Good handling and stability on the road, making it suitable for both city commuting and long-distance rides.

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Cons (Disadvantages)
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⚠️ Things to consider
Limited aftermarket support for parts and accessories due to the age of the motorcycle.Reliability issues with the electrical system, which may require frequent maintenance.Heavy weight and bulky design compared to modern motorcycles, making it less maneuverable.Outdated suspension and braking systems that may not offer optimal performance or safety.Lower top speed and acceleration compared to more modern motorcycles in the same class.

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Alternatives
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⚖️ Comparison & Competition
Triumph Bonneville T120A classic British motorcycle known for its timeless design and smooth performance. The Bonneville T120 offers a similar vintage appeal to the AJS Model 31 650 Swift.Norton Atlas 750Another iconic British bike from the 1960s, the Norton Atlas 750 is a powerful and reliable option for riders looking for a vintage motorcycle with a bit of a racing pedigree.BSA A65 ThunderboltThe BSA A65 Thunderbolt is a solid choice for those seeking a British twin-cylinder motorcycle with a blend of style and performance similar to the AJS Model 31 650 Swift.Ducati ScramblerFor a touch of Italian flair, the Ducati Scrambler is a modern classic that captures the spirit of fun and adventure of the 1960s. It offers a unique alternative to the AJS Model 31 650 Swift.Honda CB750A groundbreaking motorcycle when it was introduced in the late 1960s, the Honda CB750 is a Japanese classic that offers reliability, performance, and a touch of nostalgia for riders in search of an alternative to the AJS Model 31 650 Swift

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License Class (EU)
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The AJS Model 31 650 Swift produces 31 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

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Fuel Economy & Running Costs
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Estimated average for 646cc class: 35-50 mpg (5.0-7.0 L/100km)

⛽ Tank: 16.00 litres (4.23 gallons)

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Insurance Class
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Insurance grouping for AJS Model 31 650 Swift (646cc):

📋 Group 15-20+ — performance class, higher premiums

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Insurance Calculator (UK est.)
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Personalised premium estimate for the AJS Model 31 650 Swift (UK rates):

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💡 Estimate based on UK market averages. For real quotes, compare on Compare the Market, MoneySuperMarket, GoCompare.

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Price Estimate
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Estimated price range for the AJS Model 31 650 Swift based on comparable motorcycles:

AVERAGE

$2,770

📊 Category-based (17 motorcycles) · Approximate (USD)

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Buy New & Used
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Find new and used AJS Model 31 650 Swift 1963 listings:

🛒 eBay Motors 🏍️ Cycle Trader 🇬🇧 Auto Trader UK 🔍 Google Listings

💡 Third-party listings. MotoBike Info is informational only.

👤 Final premium varies by rider age, history, location.

⚙️ Full Specifications

No specifications found.

📋 Detailed Review

The AJS Model 31 650 Swift 1963 is a classic motorcycle that embodies the essence of British engineering excellence. With its powerful 650cc engine, iconic styling, and smooth performance, this bike offers a thrilling riding experience for enthusiasts and collectors alike. The attention to detail in its design, from the chrome accents to the elegant lines, reflects the craftsmanship of a bygone era. Despite its age, the AJS Model 31 650 Swift 1963 continues to hold its value in the motorcycle market due to its rarity and historical significance. Owning one of these vintage bikes not only provides a connection to motorcycling heritage but also serves as a testament to the enduring quality of British motorcycles. Whether displayed as a collector's piece or ridden on the open road, the AJS Model 31 650 Swift 1963 remains a prized possession for those who appreciate the beauty and performance of classic motorcycles.

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⚡ Key Specs

Displacement646.00 ccm (39.42 cubic inches)

Power31.40 HP (22.9 kW)) @ 6000 RPM

Weight176.0 kg (388.0 pounds)

Fuel Cap.16.00 litres (4.23 gallons)

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AJS Model 31 650 Swift

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