Introduced for the 1985 model year, this Yamaha supersport marked an important turning point for the company’s four-stroke street machines. It debuted in the mid-1980s as a highly ambitious performance model built around Yamaha’s Genesis concept, which paired a forward-inclined inline-four with chassis packaging intended to improve handling stability as well as engine character. The model became especially significant for bringing Yamaha’s five-valve-per-cylinder, DOHC four-cylinder thinking from development and racing into a production street motorcycle, and it helped establish design and engineering ideas that would influence later Yamaha sport bikes.
The bike first appeared in 1984 at the Cologne IFMA show and went on sale as a 1985 model. Yamaha’s own historical material describes it as the company’s first four-stroke supersport flagship of the era, and it quickly earned a reputation for being more serious and competition-oriented than its styling suggested. Its role in racing was also important: the production machine formed the basis for Yamaha’s early superbike and endurance efforts, including factory and privateer programs in the mid-1980s, and it became closely associated with the brand’s return to competitive four-stroke sportbike development.
Across its long run, the nameplate evolved through several model-year updates and market-specific versions, but it remained the same core idea: a technologically forward 750cc Yamaha sport machine with strong enthusiast appeal. Yamaha’s heritage material states that the model was produced through 1994, making it a notably long-lived first-generation Genesis-era sportbike. Today it is remembered as one of the most influential Yamaha road machines of the 1980s and early 1990s, both for its engineering significance and for the way it shaped the company’s later performance motorcycles.