Honda RC 149 1966 - Motorcycle specifications, price, reviews, photos

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presentation of the RC 149 1966

Since Honda first entered the Isle of Man TT race with an RC142 in 1959, the brand has been particularly successful in the 125 cc class.

With the RC149, developed from the unreliable RC148, Soichiro's company launched the world's first 5-cylinder 125cc sports bike, introduced in 1966.

Equipped with a newly developed DOHC 4-stroke air-cooled five-cylinder engine, its maximum power output was 34 hp at a very high 20,500 rpm. The engine could rev up to 23,000 rpm.

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Studio photo of a 1966 Honda RC 149 motorcycle

Riding with Luigi Taveri, it won five of the nine races in the 125cc class this year and claimed the title. Honda was the first manufacturer to win in the first five categories (50cc, 125cc, 250cc, 350cc, 500cc).

Published on 11/14/25
by Greg

Greg is the founder of Motoplanete—a website created in 2001 to share his passion with his friends and showcase as many motorcycle models as possible to his readers. Self-taught and a jack-of-all-trades, his discovery of the world of motorcycles led him to work as a photographer, rider, team manager, web developer, graphic designer, editorial assistant, and editor-in-chief.

Key facts Honda RC 149 (1966) : What you need to know before you buy

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Model sold in 1966

Performance

Max speed : over 210 km/h (130.50 mph)

Specifications Honda RC 149 1966

Chassis: Vehicle not capable of carrying passengers; Frame : Tubular steel structure; Curb mass : 85 kg (187 lb)

Front axle: Telescopic fork; drum brakes; Handlebars handlebars

Transmission: 8 stage gearbox , manual; Secondary by chain

Rear axle: 2 lateral shock absorbers; drum brakes

Motor: 5 cylinders online , 4 strokes; Batterie : online; 5 carburetors; Cooling system : by air; 2 ACT; 4 valves per cylinder; 124.42 cc; 34 ch (33.50 hp) to 20,500 rpm; Compression : 12 : 1

Standard equipment: Spoke wheels

Practical information: Country of manufacture : Japan

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1966

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FAQ Your frequently asked questions about the RC 149 1966

What is the power of the RC 149?: The RC 149 1966 develops a power of 34 ch (33.50 hp)
What is the maximum speed of the RC 149?: The RC 149 1966 is capable of reaching a top speed of over 210 km/h (130.50 mph) on the track.
What is the weight of the RC 149?: The RC 149 1966 has a a operating weight of 85 kg (187 lb).
Is the RC 149 approved for transporting a passenger?: No, this vehicle is only suitable for 1 people; it is a single-seater.