What is the engine displacement of the 1965 AJS 31 650 Swift?

The 1965 AJS 31 650 Swift has an engine displacement of 646.0 ccm (39.42 cubic inches).

How much horsepower does the 1965 AJS 31 650 Swift have?

The 1965 AJS 31 650 Swift produces 31.4 HP (22.9 kW )) @ 6000 RPM of power.

How much does the 1965 AJS 31 650 Swift weigh?

The 1965 AJS 31 650 Swift has a dry weight of 176.0 kg (388.0 pounds).

1965 AJS 31 650 Swift Price, Specs, Review

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Review

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The 1965 AJS Model 31 650 Swift embodies the classic British motorcycle design with a focus on performance and handling. Its 646cc engine, producing 31.4 horsepower at 6000 RPM, provides ample power for enjoyable rides on various road conditions. The 4-speed gearbox allows riders to effectively utilize the engine's capabilities, offering smooth and precise gear changes. Weighing in at 388 pounds, the Model 31 650 Swift is relatively lightweight, contributing to its nimble handling and easy maneuverability. The hydraulic telescopic front suspension enhances rider comfort by absorbing bumps and vibrations. The expanding drum brake offers adequate stopping power for the bike's performance capabilities. With a 4.23 US gallon fuel tank, it provides a decent range for longer journeys. This AJS is well-suited for riders who appreciate the heritage of British motorcycles and seek a balanced riding experience. It's an excellent choice for those who enjoy weekend rides and exploring scenic routes. The Model 31 650 Swift offers a compelling combination of vintage charm and engaging performance, making it a desirable machine for classic motorcycle enthusiasts.

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License Class (EU)

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The AJS 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 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 1965 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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