What is the engine displacement of the 1959 Honda RC142?

The 1959 Honda RC142 has an engine displacement of 124.68 ccm (7.61 cubic inches).

1959 Honda RC142 Price, Specs, Review

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Review

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The Honda RC142, introduced in 1959, was a groundbreaking motorcycle that marked Honda's entry into the world of Grand Prix racing. This innovative machine featured a 125cc four-stroke engine, a significant departure from the two-stroke engines commonly used in racing at the time. The RC142's advanced technology, including a double-overhead camshaft design and a six-speed gearbox, set it apart from its competitors and helped establish Honda as a force to be reckoned with in the racing world. Despite its small displacement, the Honda RC142 proved to be a formidable competitor on the track, showcasing Honda's engineering prowess and commitment to pushing the boundaries of performance. Its success in the hands of legendary riders like Tom Phillis and Jim Redman solidified its place in motorcycle racing history. Today, the Honda RC142 is a highly sought-after collector's item, valued not only for its historical significance but also for its role in shaping the future of motorcycle racing technology.

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Pros (Advantages)
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✅ Why buy this bike?

The Honda RC142 1959 was Honda's first ever Grand Prix racing motorcycle, marking the beginning of Honda's successful racing history.

It featured a revolutionary DOHC 125cc four-stroke engine, providing a good balance of power and efficiency for its time.

The RC142 had a lightweight and agile chassis design, allowing for nimble handling on the race track.

Honda's attention to detail and engineering excellence was evident in the RC142, showcasing their commitment to innovation.

The success of the RC142 in racing competitions helped establish Honda as a major player in the motorcycle industry, paving the way for future racing and production models.

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Cons (Disadvantages)
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⚠️ Things to consider

Limited horsepower compared to modern motorcycles, resulting in slower acceleration and top speed.

Outdated suspension technology, leading to a less comfortable ride on rough roads.

Lack of modern safety features such as ABS or traction control, potentially increasing the risk of accidents.

Difficulty in finding replacement parts due to its age, potentially leading to higher maintenance costs.

Limited availability of servicing centers with expertise in vintage motorcycles, making maintenance and repairs more challenging.

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Alternatives
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⚖️ Comparison & Competition

MV Agusta 125 Pullman: A classic Italian motorcycle known for its elegant design and smooth performance, the MV Agusta 125 Pullman offers a comparable vintage racing experience to the Honda RC

Suzuki RM63: The Suzuki RM63 is a rare and sought-after vintage motocross bike known for its agility and power. It provides a similar racing thrill as the Honda RC142 with its own unique charm.

Yamaha YDS-1: A popular choice among vintage motorcycle enthusiasts, the Yamaha YDS-1 combines style and performance in a compact package. It is a great alternative to the Honda RC142 for riders seeking a nostalgic riding experience.

Ducati 125 Desmo: With its advanced desmodromic valve system and sleek design, the Ducati 125 Desmo is a standout choice for those looking for a high-performance vintage motorcycle similar to the Honda RC

Kawasaki A1 Samurai: The Kawasaki A1 Samurai is a classic two-stroke motorcycle known for its speed and agility. It offers a thrilling ride comparable to the Honda RC142, making it a great alternative for riders looking for a vintage racing 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 125cc class: 75-100 mpg (2.5-3.5 L/100km)

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Insurance Class
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Insurance grouping for Honda RC142 (125cc):

📋 Group 1-5 — entry-level, lowest premiums

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Insurance Calculator (UK est.)
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Personalised premium estimate for the Honda RC142 (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 Honda RC142 based on comparable motorcycles:

AVERAGE

$2,015

📊 Category-based (19 motorcycles) · Approximate (USD)

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Buy New & Used
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Find new and used Honda RC142 1959 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 Honda RC142, introduced in 1959, was a groundbreaking motorcycle that marked Honda's entry into the world of Grand Prix racing. This innovative machine featured a 125cc four-stroke engine, a significant departure from the two-stroke engines commonly used in racing at the time. The RC142's advanced technology, including a double-overhead camshaft design and a six-speed gearbox, set it apart from its competitors and helped establish Honda as a force to be reckoned with in the racing world. Despite its small displacement, the Honda RC142 proved to be a formidable competitor on the track, showcasing Honda's engineering prowess and commitment to pushing the boundaries of performance. Its success in the hands of legendary riders like Tom Phillis and Jim Redman solidified its place in motorcycle racing history. Today, the Honda RC142 is a highly sought-after collector's item, valued not only for its historical significance but also for its role in shaping the future of motorcycle racing technology.

🎬 Video Reviews

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⚡ Key Specs

Displacement124.68 ccm (7.61 cubic inches)

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Honda RC142

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