What is the engine displacement of the 1925 AJS G6 Bigport?

The 1925 AJS G6 Bigport has an engine displacement of 349.00 ccm (21.30 cubic inches).

1925 AJS G6 Bigport Price, Specs, Review

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Review

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The AJS G6 Bigport 1925 is a true gem in the world of vintage motorcycles, known for its iconic design and exceptional performance. This classic bike is powered by a 350cc single-cylinder engine with a distinctive big port head, providing a smooth and powerful ride. The G6 Bigport features a rigid frame, girder forks, and a hand-shifted gearbox, offering a nostalgic riding experience for enthusiasts and collectors alike. One of the key highlights of the AJS G6 Bigport 1925 is its timeless appeal and historical significance. With its elegant styling and innovative engineering, this motorcycle represents a bygone era of craftsmanship and attention to detail. Owning an AJS G6 Bigport is not just about riding a bike, but also about owning a piece of motorcycle history that has stood the test of time. For collectors, this vintage bike holds great value both in terms of its rarity and historical importance, making it a prized possession in any classic motorcycle collection. In conclusion, the AJS G6 Bigport 1925 is a legendary motorcycle that continues to captivate enthusiasts with its timeless design and impressive performance. Whether you are a collector looking to add a piece of history to your garage or a rider seeking a unique and unforgettable experience on the road, the AJS G6 Bigport delivers on all fronts. With its rich heritage and enduring appeal, this vintage motorcycle remains a symbol of excellence in the world of classic bikes.

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Pros (Advantages)
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✅ Why buy this bike?
The AJS G6 Bigport 1925 is a classic and iconic motorcycle, known for its vintage charm and historical significance.It features a powerful 350cc engine, providing a thrilling and responsive riding experience.The bike's sturdy construction and durable build quality ensure longevity and reliability on the road.Its unique design and styling make it a standout choice for motorcycle enthusiasts looking for something different.The AJS G6 Bigport 1925 offers a smooth and comfortable ride, making it a practical choice for both short commutes and long-distance journeys.

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Cons (Disadvantages)
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⚠️ Things to consider
Limited availability of spare parts due to the age of the motorcycle.Difficulty in finding experienced mechanics familiar with vintage models like the AJS G6 Bigport.Lack of modern safety features such as ABS or traction control.Reliability issues due to the age and wear of components.Limited performance compared to modern motorcycles in terms of speed and handling.

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Alternatives
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⚖️ Comparison & Competition
Indian Chief: The Indian Chief is a classic cruiser bike known for its powerful engine, comfortable ride, and iconic design. It offers a smooth and enjoyable riding experience, perfect for long-distance cruising.Harley-Davidson JD: The Harley-Davidson JD is a vintage motorcycle renowned for its durability and timeless style. With a strong engine and sturdy build, this bike is ideal for riders looking for a piece of motorcycle history.Brough Superior SS100: The Brough Superior SS100 is a luxury motorcycle with a reputation for speed, quality craftsmanship, and elegance. It is a high-performance bike designed for riders who appreciate precision engineering and high-end features.Triumph Model H: The Triumph Model H is a classic British motorcycle known for its reliability, agility, and timeless charm. With a responsive engine and agile handling, this bike is suitable for riders seeking a blend of vintage appeal and practicality.BMW R32: The BMW R32 is a legendary motorcycle that marks the beginning of BMW's successful motorcycle production. With a unique boxer engine configuration and innovative design, this bike offers a distinctive riding experience for enthusiasts of vintage motorcycles

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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 1925 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 1925 is a true gem in the world of vintage motorcycles, known for its iconic design and exceptional performance. This classic bike is powered by a 350cc single-cylinder engine with a distinctive big port head, providing a smooth and powerful ride. The G6 Bigport features a rigid frame, girder forks, and a hand-shifted gearbox, offering a nostalgic riding experience for enthusiasts and collectors alike. One of the key highlights of the AJS G6 Bigport 1925 is its timeless appeal and historical significance. With its elegant styling and innovative engineering, this motorcycle represents a bygone era of craftsmanship and attention to detail. Owning an AJS G6 Bigport is not just about riding a bike, but also about owning a piece of motorcycle history that has stood the test of time. For collectors, this vintage bike holds great value both in terms of its rarity and historical importance, making it a prized possession in any classic motorcycle collection. In conclusion, the AJS G6 Bigport 1925 is a legendary motorcycle that continues to captivate enthusiasts with its timeless design and impressive performance. Whether you are a collector looking to add a piece of history to your garage or a rider seeking a unique and unforgettable experience on the road, the AJS G6 Bigport delivers on all fronts. With its rich heritage and enduring appeal, this vintage motorcycle remains a symbol of excellence in the world of classic bikes.

🎬 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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