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displacement:
450ccfuel capacity:
7.8Lseat height:
955mmwet weight:
113Kgfinal drive:
Chaintransmission:
5 SpeedThe 2027 YZ450FX adopts the updated design of the YZ450F, with a philosophical change to its base function that focuses on improving comfort and controllability in technical terrain.
Power character is focused on smoother delivery with more controllable low-RPM torque, making it easier to ride in technical conditions. The suspension characteristics have been specifically optimised to cater to the longer rides of competitive cross-country racing, providing more initial movement, comfort and compliance over slippery, rocky, and root filled terrain.
Overall, the new YZ450FX is easier to ride faster, longer, especially on extremely technical trails.


The YZ450FX's thrilling new liquid-cooled DOHC four-stroke engine is designed to provide broad power character and ease-of-use, with ECU settings tailored to enhance both low-end tractability and top-end power.
The updated aluminium bilateral beam frame with YZ450FX-specific engine mounts offers optimal strength and flex, enhancing straight-line stability and cornering performance. This results in improved handling, agility, and traction, boosting rider confidence on tight, technical courses.
World-renowned suspension performance straight out of the box. The adjustable KYB® coil spring fork offers excellent bump absorption with toolless compression clickers for easy adjustments. The linkage-style rear suspension features a KYB® shock designed for cross-country damping to complement the YZ450FX’s refined chassis.
Like having factory team support in your pocket, Yamaha's Power Tuner App is even more user-friendly with an intuitive “Simple Tuning” slide bar for quick engine mapping selections, new four-level Traction Control, a lap timer, and helpful engine and suspension tuning guides. Best of all, it's free of charge.
The YZ450FX's slim, flat, compact body eases rider movement for improved control, including seamless, rounded features from seat edges and side covers to the narrow fuel tank and front shroud. The rider triangle is also designed to provide increased legroom between the seat and foot pegs for enhanced rider comfort.













