Yamaha YA-1 1955 - Technical motorcycle description, price

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Specifications Yamaha YA-1 1955

Chassis: Frame : Simple steel cradle; Fuel capacity : 9 liters (2.38 US gallons); Length : 1,980 mm (77.95 in); Width : 660 mm (25.98 in); Min height : 925 mm (36.42 in); Wheelbase : 1,290 mm (50.79 in); Dry weight : 94 kg (207 lb)

Front axle: Telescopic hydraulic fork Ø n/a; drum brakes

Transmission: 4 stage gearbox , manual; Secondary by chain

Rear axle: drum brakes

Motor: single-cylinder , 2 strokes; 1 carburetor (size not specified); Cooling system : by air; 123 cc; 5.60 ch (5.50 hp) to 5,000 rpm; 1 mkg (9.40 Nm); Power-to-Weight Ratio : 17.09 kg/ch; Torque-to-Weight Ratio : 94 kg/mkg

Practical information: Country of manufacture : Japan

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Essentials

Motorcyle equipment adapted for all members of the family and security elements.

Trouvez votre casque

Trouvez des gants

Trouver un intercom

Motoblouz

Augmenter sa sécurité avec un airbag

LaBécanerie

Motoblouz

Trouvez votre blouson

Motorcyle equipment adapted for all members of the family and security elements.

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Key facts Yamaha YA-1 (1955) : What you need to know before you buy

Prices

	Basic version
Japan	138,000¥

Bikers' reviews

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Model sold in 1955

Performance

Max speed : 80 km/h (49.70 mph)

Models

1955

Competitors

Suzuki Power Free 1952

Honda Dream type D 1949

Kawasaki B8 125 1962

Find others Naked of 1955

Compare the YA-1 to its competitors

Compared to its 3 direct competitors, this YA-1 offers a fairly balanced positioning, sitting right in the middle of the category. On the spec sheet, it highlights power output of 5.6 ch and torque of 1 Nm. Its torque-to-weight ratio of 94 kg/Nm limits its punch at low revs.

Torque

Yamaha YA-1 1955 : 1 mkg

Suzuki Power Free 1952 Undisclosed

Honda Dream type D 1949 : 0.5 mkg

Kawasaki B8 125 1962 : 6.4 mkg

Power

Yamaha YA-1 1955 : 5.60 ch (5.50 hp)

Suzuki Power Free 1952 : 1 ch (1 hp)

Honda Dream type D 1949 : 3 ch (3 hp)

Kawasaki B8 125 1962 : 8 ch (7.90 hp)

Power-to-Weight ratio

Yamaha YA-1 1955 : 17.09 kg/ch

Suzuki Power Free 1952 Undisclosed

Honda Dream type D 1949 : 26.67 kg/ch

Kawasaki B8 125 1962 : 14.68 kg/ch

Torque-to-Weight ratio

Yamaha YA-1 1955 : 94 kg/mkg

Suzuki Power Free 1952 Undisclosed

Honda Dream type D 1949 : 160 kg/mkg

Kawasaki B8 125 1962 : 18.13 kg/mkg

Speed

Yamaha YA-1 1955 : 80 km/h (49.70 mph)

Suzuki Power Free 1952 Undisclosed

Honda Dream type D 1949 : approximately 60 km/h (37.30 mph)

Kawasaki B8 125 1962 : approximately 100 km/h (62.10 mph)

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Bikers' reviews Leave a review - 1 review

Alain81 Model 1955

Well, here's a nice little bike with character! It's a change (for the better!) from the current gasworks! 06/07/2025 13:50 Rating : 5/5 Respond to Alain81

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FAQ Your frequently asked questions about the YA-1 1955

What is the power of the YA-1?: The YA-1 1955 develops a power of 5.60 ch (5.50 hp)
What is the torque of the YA-1?: The maximum torque of the YA-1 1955 is 1 mkg (9.40 Nm).
What is the maximum speed of the YA-1?: The YA-1 1955 is capable of reaching a top speed of 80 km/h (49.70 mph) on the track.
What is the weight of the YA-1?: The YA-1 1955 has a a dry weight of 94 kg (207 lb).
What is the price of the YA-1?: The price of the YA-1 1955 is 138,000¥ in Japan

Technical motorcycle description Yamaha YA-1 1955

Specifications Yamaha YA-1 1955

Essentials

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