2017 Yamaha YZ450F, Innovative Engine DesignThe revolutionary rearward-slanted-cylinder design of the YZ450F™ allows for a straight down-draft intake with a symmetrical port layout for smooth controllable power delivery throughout the RPM range. This engine design also achieves unmatched mass centralization, for light and nimble handling.
2015 Yamaha YZ450F, A WINNER RIGHT OUT OF THE CRATE.Completely re-engineered just last year with new EFI engine, an entirely new frame, minimized body work and new suspension components providing for excellent mass centralization and class leading 450 power with 250-style handling. The critics agree: the YZ450F is the one to beat.
