What is the engine displacement of the 1951 Triumph Speed Twin?

The 1951 Triumph Speed Twin has an engine displacement of 498.00 ccm (30.39 cubic inches).

How much horsepower does the 1951 Triumph Speed Twin have?

The 1951 Triumph Speed Twin produces 27.00 HP (19.7 kW)) @ 6300 RPM of power.

How much does the 1951 Triumph Speed Twin weigh?

The 1951 Triumph Speed Twin has a dry weight of 158.8 kg (350.0 pounds).

1951 Triumph Speed Twin Price, Specs, Review

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Review

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The Triumph Speed Twin 1951 remains a timeless classic in the world of motorcycles, known for its iconic design and impressive performance. This model was a pioneer in the industry, introducing a parallel-twin engine that set a new standard for power and reliability. The 1951 Speed Twin boasted a sleek and elegant aesthetic, combined with advanced engineering that made it a favorite among riders of its time. One of the key features of the Triumph Speed Twin 1951 was its effortless handling and smooth ride, making it a versatile choice for both city streets and open highways. The powerful engine delivered a thrilling riding experience, while the comfortable seating position ensured long-distance journeys were a pleasure rather than a chore. Today, the Triumph Speed Twin 1951 continues to hold its value as a sought-after collector's item, cherished by enthusiasts for its blend of style, performance, and heritage that has stood the test of time.

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Pros (Advantages)
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✅ Why buy this bike?

The Triumph Speed Twin 1951 featured a powerful and reliable 500cc parallel-twin engine, providing a smooth and responsive ride.

It had a stylish and timeless design that is still admired by motorcycle enthusiasts today.

The handling and maneuverability of the Speed Twin were exceptional, making it a joy to ride on winding roads.

This model was known for its comfortable seating position and overall ergonomics, allowing for long-distance touring without discomfort.

The build quality of the Triumph Speed Twin 1951 was top-notch, ensuring durability and longevity for the rider.

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Cons (Disadvantages)
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⚠️ Things to consider

Limited top speed compared to other motorcycles of its era.

Outdated suspension technology leading to a less comfortable ride.

Relatively heavy weight making it less maneuverable in tight spaces.

Non-existent safety features by modern standards.

Lack of modern conveniences such as electric start or fuel injection.

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Alternatives
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⚖️ Comparison & Competition

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BMW R nineT

A premium heritage bike that offers a blend of classic styling and high-performance engineering, appealing to riders who value craftsmanship and innovation.

Moto Guzzi V7 III Stone

An Italian beauty with a distinctive transverse V-twin engine, delivering a smooth and responsive ride for those who appreciate elegance and character.

Yamaha XSR900

A sporty and agile machine that combines retro styling with cutting-edge performance features, catering to riders seeking a thrilling and dynamic riding experience

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License Class (EU)
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The Triumph Speed Twin produces 27 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)

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Insurance Class
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Insurance grouping for Triumph Speed Twin (498cc):

📋 Group 8-15 — mid-range

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Insurance Calculator (UK est.)
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Personalised premium estimate for the Triumph Speed Twin (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 Triumph Speed Twin 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 Triumph Speed Twin 1951 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 Triumph Speed Twin 1951 remains a timeless classic in the world of motorcycles, known for its iconic design and impressive performance. This model was a pioneer in the industry, introducing a parallel-twin engine that set a new standard for power and reliability. The 1951 Speed Twin boasted a sleek and elegant aesthetic, combined with advanced engineering that made it a favorite among riders of its time. One of the key features of the Triumph Speed Twin 1951 was its effortless handling and smooth ride, making it a versatile choice for both city streets and open highways. The powerful engine delivered a thrilling riding experience, while the comfortable seating position ensured long-distance journeys were a pleasure rather than a chore. Today, the Triumph Speed Twin 1951 continues to hold its value as a sought-after collector's item, cherished by enthusiasts for its blend of style, performance, and heritage that has stood the test of time.

🎬 Video Reviews

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📷 Gallery

⚡ Key Specs

Displacement498.00 ccm (30.39 cubic inches)

Power27.00 HP (19.7 kW)) @ 6300 RPM

Weight158.8 kg (350.0 pounds)

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Triumph Speed Twin

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