What is the engine displacement of the 1924 AJS 6 Bigport?

The 1924 AJS 6 Bigport has an engine displacement of 349.0 ccm (21.30 cubic inches).

1924 AJS 6 Bigport Price, Specs, Review

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Review

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The 1924 AJS G 6 Bigport is a classic motorcycle that provides a window into the early development of motorcycling. Its 349cc engine was a typical size for sporting machines of the period. The presence of a 3-speed gearbox offered the rider some flexibility in managing the engine's power, adapting to varying terrains and speeds. The front brake system utilized an expanding brake (drum brake), representing the standard braking technology of the time. The motorcycle's design would have likely incorporated a rigid frame and minimal suspension, resulting in a direct and unfiltered riding experience. Operating the machine effectively would have required skill and attentiveness from the rider, as electronic assistance was non-existent. Maintaining the motorcycle would have demanded a strong understanding of mechanical principles and a hands-on approach. The 1924 AJS G 6 Bigport appeals to collectors and enthusiasts interested in the history of motorcycling. Its historical significance and mechanical charm offer a tangible connection to the past, providing a unique riding experience.

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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 349cc class: 45-60 mpg (4.0-5.5 L/100km)

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Insurance Class

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Insurance grouping for AJS 6 Bigport (349cc):

📋 Group 8-15 — mid-range

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Insurance Calculator (UK est.)

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Personalised premium estimate for the AJS 6 Bigport (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 6 Bigport 1924 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 6 Bigport

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