What is the engine displacement of the 1958 AJS Model 20 500?

The 1958 AJS Model 20 500 has an engine displacement of 498.00 ccm (30.39 cubic inches).

How much horsepower does the 1958 AJS Model 20 500 have?

The 1958 AJS Model 20 500 produces 20.00 HP (14.6 kW)) @ 6800 RPM of power.

What is the top speed of the 1958 AJS Model 20 500?

The 1958 AJS Model 20 500 has a top speed of 137.0 km/h (85.1 mph).

How much does the 1958 AJS Model 20 500 weigh?

The 1958 AJS Model 20 500 has a dry weight of 178.0 kg (392.4 pounds).

1958 AJS Model 20 500 Price, Specs, Review

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Review

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The AJS Model 20 500 from 1958 is a classic British motorcycle that exudes timeless charm and elegance. This iconic bike is powered by a 498cc single-cylinder engine, delivering a smooth and reliable performance on the road. With its distinctive styling and attention to detail, the AJS Model 20 500 stands out as a true masterpiece of craftsmanship from the golden era of motorcycling. One of the key features of the AJS Model 20 500 is its exceptional build quality, showcasing the dedication and expertise of the engineers who designed it. Riders can expect a comfortable and enjoyable experience, thanks to its well-balanced handling and responsive throttle response. The vintage appeal of the AJS Model 20 500 makes it a highly sought-after collector's item, with values appreciating over time as enthusiasts recognize its historical significance and enduring appeal. Overall, the AJS Model 20 500 from 1958 is a symbol of British motorcycling heritage, offering a blend of style, performance, and nostalgia that continues to captivate riders and collectors alike. Whether cruising along scenic roads or showcased at vintage motorcycle events, this iconic bike holds a special place in the hearts of motorcycle enthusiasts who appreciate its classic design and enduring value.

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Pros (Advantages)
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✅ Why buy this bike?

Classic styling that appeals to vintage motorcycle enthusiasts.

Reliable 500cc engine that offers a good balance of power and efficiency.

Comfortable riding position for long journeys.

Solid construction and durability, making it a reliable choice for daily commuting.

Easy maintenance and availability of spare parts for restoration projects.

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Cons (Disadvantages)
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⚠️ Things to consider

Limited top speed compared to modern motorcycles.

Outdated technology and features.

Reliability issues due to age and wear.

Difficulty finding spare parts.

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

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Alternatives
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⚖️ Comparison & Competition

Triumph Bonneville T120

A classic British motorcycle known for its timeless design and smooth performance, the Bonneville T120 offers a similar vintage appeal as the AJS Model 20 500 with modern reliability.

Norton Commando 850

Another iconic British bike, the Commando 850 is revered for its powerful engine and agile handling, making it a great alternative for riders looking for a blend of heritage and performance.

BSA Gold Star

Renowned for its racing success in the 1950s, the BSA Gold Star is a legendary motorcycle that delivers a thrilling ride experience and a rich history that parallels the AJS Model 20

Royal Enfield Bullet 500

Embodying the classic charm of vintage motorcycles, the Royal Enfield Bullet 500 is a reliable and accessible option for riders seeking a retro-inspired ride with a touch of modern convenience.

Moto Guzzi V7 III Stone

For riders looking for a unique alternative to the AJS Model 20 500, the Moto Guzzi V7 III Stone offers Italian flair combined with a distinctive V-twin engine layout and contemporary features for a standout riding experience

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License Class (EU)
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The AJS Model 20 500 produces 20 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 498cc class: 45-60 mpg (4.0-5.5 L/100km)

⛽ Tank: 13.50 litres (3.57 gallons)

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Insurance Class
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Insurance grouping for AJS Model 20 500 (498cc):

📋 Group 8-15 — mid-range

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Insurance Calculator (UK est.)
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Personalised premium estimate for the AJS Model 20 500 (UK rates):

Your Age

Years Licensed

No-Claims Years

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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 Model 20 500 based on comparable motorcycles:

AVERAGE

$2,761

📊 Category-based (18 motorcycles) · Approximate (USD)

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Buy New & Used
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Find new and used AJS Model 20 500 1958 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 Model 20 500 from 1958 is a classic British motorcycle that exudes timeless charm and elegance. This iconic bike is powered by a 498cc single-cylinder engine, delivering a smooth and reliable performance on the road. With its distinctive styling and attention to detail, the AJS Model 20 500 stands out as a true masterpiece of craftsmanship from the golden era of motorcycling. One of the key features of the AJS Model 20 500 is its exceptional build quality, showcasing the dedication and expertise of the engineers who designed it. Riders can expect a comfortable and enjoyable experience, thanks to its well-balanced handling and responsive throttle response. The vintage appeal of the AJS Model 20 500 makes it a highly sought-after collector's item, with values appreciating over time as enthusiasts recognize its historical significance and enduring appeal. Overall, the AJS Model 20 500 from 1958 is a symbol of British motorcycling heritage, offering a blend of style, performance, and nostalgia that continues to captivate riders and collectors alike. Whether cruising along scenic roads or showcased at vintage motorcycle events, this iconic bike holds a special place in the hearts of motorcycle enthusiasts who appreciate its classic design and enduring value.

🎬 Video Reviews

No videos available for this motorcycle yet.

📷 Gallery

⚡ Key Specs

Displacement498.00 ccm (30.39 cubic inches)

Power20.00 HP (14.6 kW)) @ 6800 RPM

Top Speed137.0 km/h (85.1 mph)

Weight178.0 kg (392.4 pounds)

Fuel Cap.13.50 litres (3.57 gallons)

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AJS Model 20 500

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