This Yamaha middleweight sportbike arrived for the 1986 model year as a replacement for the earlier FJ600, and it was part of Yamaha’s push to bring more fully faired, performance-focused four-cylinder bikes to the U.S. market. The nameplate used a 598cc air-cooled inline-four and was built around a compact chassis and full fairing that emphasized handling and cornering rather than outright displacement. Yamaha’s own contemporary material positioned it as a serious super bike for riders who wanted liter-class attitude in a smaller package.
Across its short run, the model remained a first-generation FZ-era machine with the same basic identity: a sporty street bike that bridged the gap between everyday use and the more aggressive race-replica direction Yamaha would soon take. For 1989, Yamaha moved on to the FZR600, marking the end of this original FZ600 run. Enthusiast interest today tends to center on its role as an early step in Yamaha’s 600cc sportbike lineage and on its place in the transition from the company’s earlier standard-oriented middleweights to the fully faired supersport era.