Bridging the Gap: 1972 Yamaha R5 350

The Yamaha R5 bridged the gap between road and track and had a lasting effect on amateur road racing in the U.S.

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by Dain Gingerelli

1972 Yamaha R5 350

Engine: 347cc air-cooled 2-stroke parallel twin, 64mm x 54mm bore and stroke, 7.5:1 compression ratio, 36hp @ 7,000rpm (claimed, 1970 model)
Top speed: 100mph (claimed), 95.31mph (period test, 1970 model)
Carburetion: Two Mikuni VMSC 28mm
Transmission: 5-speed constant-mesh, left-foot shift, chain final drive

Motorcycle Classics Magazine
Motorcycle Classics Magazine
Motorcycle Classics Magazine Featuring the most brilliant, unusual and popular motorcycles ever made!