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Two-Stroke Thunder

Race historians will look at 1974 as a pivotal year in the ranks of 500cc World Championship Grand Prix road racing. For 24 years straight, beginning in 1949 with the FIM’s (Federation Internationale Motocycliste) first World Championship, bikes using 4-stroke power dominated the 500cc class. Then, in 1974, Yamaha’s new OW23, with its inline 4-cylinder 2-stroke engine, won ...

Staff | Aug 15, 2021

Motorcycle Classics Magazine

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