Honda launched the CB750 in 1969 as a mass-produced four-cylinder superbike.
Its 736 cc air-cooled inline-four engine, electric starter and front disc brake made advanced performance more accessible than before. The model was unveiled at the 1968 Tokyo Motor Show and reached markets in 1969.
The CB750 is often associated with popularizing the term “superbike,” although that label was also used more broadly for high-performance motorcycles. It was not the first motorcycle ever to have four cylinders, but its combination of technology, reliability and relatively large-scale production was particularly influential.
Later CB750 generations changed significantly, including updated engines, styling and chassis components. The original model is commonly distinguished by its sand-cast engine cases and early four-into-four exhaust system.