What is the engine displacement of the 1959 Honda RC 142?

The 1959 Honda RC 142 has an engine displacement of 124.7 ccm (7.61 cubic inches).

How much horsepower does the 1959 Honda RC 142 have?

The 1959 Honda RC 142 produces 18.5 HP (13.5 kW )) @ 14000 RPM of power.

What is the top speed of the 1959 Honda RC 142?

The 1959 Honda RC 142 has a top speed of 209.2 km/h (130.0 mph).

How much does the 1959 Honda RC 142 weigh?

The 1959 Honda RC 142 has a dry weight of 87.0 kg (191.8 pounds).

1959 Honda RC 142 Price, Specs, Review

📖

Review

⌄

The 1959 Honda RC 142 represents a fascinating glimpse into the early days of Honda's racing endeavors. Its diminutive 124.7cc single-cylinder engine punches well above its weight, producing a remarkable 18.5 horsepower at a stratospheric 14,000 RPM. This high-revving nature undoubtedly demanded a skilled rider capable of managing the narrow powerband and maximizing its potential on the track. A six-speed gearbox was essential for keeping the engine in its sweet spot. Weighing in at a scant 87 kg (191.8 pounds), the RC 142 was built for agility. Its leading link front suspension and drum brake provided a level of performance appropriate for the era. With a claimed top speed of 209.2 km/h (130 mph), it's clear that Honda was serious about pushing the boundaries of what was possible with a small-displacement machine. This motorcycle would have been aimed squarely at experienced racers looking for a lightweight and competitive platform. The riding position would likely be aggressive, prioritizing performance over comfort. The RC 142 stands as a testament to Honda's engineering prowess and their commitment to racing, even in their formative years.

👍

Pros (Advantages)

⌄

✅ Why buy this bike?

• Pioneering twin-cylinder design offered superior power output for its displacement in 1959. • Exceptional build quality and reliability, typical of Honda's early racing efforts. • Lightweight and agile chassis contributed to excellent handling characteristics on period racetracks. • Advanced engine technology, including dual overhead camshafts, set it apart from competitors. • Significant historical value as a foundational model in Honda's Grand Prix racing legacy.

👎

Cons (Disadvantages)

⌄

⚠️ Things to consider

• Extremely high maintenance requirements due to complex engine design and delicate components. • Limited parts availability, making repairs and restoration incredibly challenging and expensive. • Specialized tuning and mechanical expertise were essential for optimal performance, not for the amateur. • Lack of modern safety features, typical for 1950s race bikes, making it inherently dangerous. • Very narrow power band, requiring precise gear selection to keep the engine on boil.

🪪

License Class (EU)

⌄

The Honda RC 142 produces 18 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.

⛽

Fuel Economy & Running Costs

⌄

Estimated average for 125cc class: 75-100 mpg (2.5-3.5 L/100km)

🛡️

Insurance Class

⌄

Insurance grouping for Honda RC 142 (125cc):