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

The 1963 AJS 31 650 Swift has an engine displacement of 646.0 ccm (39.42 cubic inches).

How much does the 1963 AJS 31 650 Swift weigh?

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

1963 AJS 31 650 Swift Price, Specs, Review

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Review

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The 1963 AJS 31 650 Swift is a classic British motorcycle powered by a 646cc engine. This air-cooled powerplant delivers a smooth and engaging riding experience. Weighing in at 176 kg and equipped with a 16-liter fuel tank, the Swift is well-suited for comfortable day trips and weekend adventures. The hydraulic telescopic front suspension provides a smooth ride, complemented by expanding drum brakes. The bike's ergonomics prioritize rider comfort with an upright riding position, making it accessible to a wide range of riders. The AJS 31 650 Swift offers a traditional feel, encouraging a deliberate approach to riding. This setup promotes a smooth, engaging riding style, rewarding riders who appreciate the journey. The AJS 31 650 Swift appeals to riders seeking an authentic vintage motorcycle experience. It's a great choice for those who appreciate the aesthetics and mechanical simplicity of classic British bikes. Perfect for leisurely weekend rides and vintage rallies, it offers a unique blend of style and character.

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License Class (EU)

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Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.

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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 US gallons)

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Insurance Class

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Insurance grouping for AJS 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 31 650 Swift (UK rates):

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

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Buy New & Used

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Find new and used AJS 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.

AJS 31 650 Swift

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