What is the engine displacement of the 1923 AJS G6 Bigport?

The 1923 AJS G6 Bigport has an engine displacement of 349.00 ccm (21.30 cubic inches).

1923 AJS G6 Bigport Price, Specs, Review

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Review

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The AJS G6 Bigport 1923 is a classic motorcycle that embodies the essence of vintage British engineering and craftsmanship. This iconic bike is powered by a 350cc overhead valve engine with a distinctive big port design, delivering a unique riding experience characterized by smooth power delivery and reliable performance. The G6 Bigport boasts a lightweight frame, making it agile and nimble on the road, while its vintage styling and attention to detail make it a prized possession for collectors and enthusiasts alike. With its historical significance and timeless design, the AJS G6 Bigport 1923 holds a special place in the hearts of motorcycle enthusiasts around the world. Its rarity and classic appeal contribute to its enduring value, making it a coveted piece of motorcycle history that continues to appreciate in worth. Whether displayed as a showpiece or taken out for a leisurely ride, the AJS G6 Bigport 1923 remains a symbol of a bygone era in motorcycling, evoking nostalgia and admiration for its timeless beauty and performance capabilities.

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Pros (Advantages)
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✅ Why buy this bike?

The AJS G6 Bigport 1923 motorcycle features a powerful and reliable 350cc engine, providing a good balance of performance and efficiency.

Its classic design and vintage appeal make it a desirable choice for motorcycle enthusiasts and collectors.

The AJS G6 Bigport 1923 is known for its smooth ride quality, thanks to its well-tuned suspension system.

This motorcycle offers excellent handling and maneuverability, making it suitable for both city streets and open roads.

The AJS G6 Bigport 1923 has a strong and durable build quality, ensuring longevity and reliability for years to come.

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Cons (Disadvantages)
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⚠️ Things to consider

Limited availability of spare parts due to the vintage nature of the motorcycle.

Lack of modern safety features such as ABS or traction control.

Reliability issues common with vintage motorcycles, requiring frequent maintenance.

Limited performance compared to modern motorcycles, may struggle to keep up with traffic.

Uncomfortable riding position and lack of ergonomic features for long rides.

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Alternatives
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⚖️ Comparison & Competition

Harley-Davidson JD: A classic American motorcycle known for its powerful V-twin engine and iconic design, similar in vintage appeal to the AJS G6 Bigport.

Brough Superior SS100: A luxurious and high-performance British motorcycle, renowned for its speed and craftsmanship, offering a premium alternative to the AJS G6 Bigport.

Indian Scout: A stylish and versatile cruiser motorcycle with a rich heritage, known for its smooth ride and modern features, appealing to riders looking for a blend of tradition and innovation.

Triumph Model H: A vintage British motorcycle celebrated for its reliability and performance, offering a nostalgic alternative to the AJS G6 Bigport with a loyal following among enthusiasts.

Norton Model 18: A classic British single-cylinder motorcycle with a strong racing heritage, known for its agility and speed, providing a spirited alternative to the AJS G6 Bigport for riders seeking excitement on the road

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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 G6 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 G6 Bigport (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 G6 Bigport based on comparable motorcycles:

AVERAGE

$2,439

📊 Category-based (20 motorcycles) · Approximate (USD)

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Buy New & Used
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Find new and used AJS G6 Bigport 1923 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 G6 Bigport 1923 is a classic motorcycle that embodies the essence of vintage British engineering and craftsmanship. This iconic bike is powered by a 350cc overhead valve engine with a distinctive big port design, delivering a unique riding experience characterized by smooth power delivery and reliable performance. The G6 Bigport boasts a lightweight frame, making it agile and nimble on the road, while its vintage styling and attention to detail make it a prized possession for collectors and enthusiasts alike. With its historical significance and timeless design, the AJS G6 Bigport 1923 holds a special place in the hearts of motorcycle enthusiasts around the world. Its rarity and classic appeal contribute to its enduring value, making it a coveted piece of motorcycle history that continues to appreciate in worth. Whether displayed as a showpiece or taken out for a leisurely ride, the AJS G6 Bigport 1923 remains a symbol of a bygone era in motorcycling, evoking nostalgia and admiration for its timeless beauty and performance capabilities.

🎬 Video Reviews

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⚡ Key Specs

Displacement349.00 ccm (21.30 cubic inches)

Gearbox3-speed

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AJS G6 Bigport

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