In 1969, the Honda CB750 FOUR combined an air-cooled four-cylinder OHC engine, a front disc brake and four exhaust silencers. Built for the 750cc class, it drew on experience Honda had gained in Grand Prix racing.
The design brief also covered long-distance comfort: less vibration and noise, a comfortable riding position and easier maintenance. Power was one requirement among several.
Classic four-cylinder motorcycle illustration; no specific Honda CB750 model is depicted.
Demand reshaped production. The initial sand-cast crankcases gave way to metal die-casting. That change shows another side of the CB750 story: learning to build a complex motorcycle in large numbers.