2025 Yamaha YZ450FX, 2025 Yamaha YZ450FX THE LIGHTER, SLIMMER, FASTER WOODS RACER

The premier XC racer built to compete straight out of the box, the all-new YZ450FX takes off-road performance to the next level.

TOP FEATURES

Based on the benchmark-setting YZ450F motocrosser, the YZ450FX is designed to dominate cross country competition. Its lightweight, compact chassis, powerful four-stroke engine, exceptional rider ergonomics, and Yamaha's groundbreaking next-generation Power Tuner app all carry over directly from the class-leading YZ450F. Additional modifications tailored toward enhanced XC performance include a wide-ratio transmission, larger fuel capacity, 18-inch rear wheel, side stand, skid plate, revised ECU and suspension settings, along with a 10mm lower seat height for increased maneuverability in challenging off-road conditions.

The YZ450FX's thrilling liquid-cooled DOHC four-stroke engine is renowned for its broad power character and ease-of-use, with ECU settings tailored to enhance both low-end tractability and top-end power.

Like having factory team support in your pocket, Yamaha's groundbreaking next-generation Power Tuner App is even more user-friendly with an intuitive "Simple Tuning" slide bar for quick engine mapping selections, three-level Traction Control, a lap timer, and helpful engine and suspension tuning guides. Best of all, it's free-of-charge.

ENGINE

Featuring a reversed cylinder head layout, forged aluminum piston, 39 mm titanium valves, lightened crank assembly and dry sump lubrication, the YZ450FX's advanced DOHC four-stroke engine is light, compact and world renowned for its incredibly broad pulling power across the entire rev range. Additionally, ECU settings are tailored to suit the specific needs of cross country and enduro competition.

The free-of-charge Yamaha Power Tuner App brings the power of the GYTR® Power Tuner to an iOS® or Android® device, allowing owners to adjust air/fuel mixture and ignition timing, log race set-up information, and monitor a range of data such as maintenance and system diagnosis, engine run time, and more. Yamaha's next-generation Power Tuner App is more user-friendly with intuitive features including a "Simple Tuning" slide bar for engine mapping, Traction Control tuning, lap timer, and helpful engine and suspension tuning guides.

Controlled through the Power Tuner App, the Traction Control System communicates wheel slip to the ECU, tuning the engine to maintain ideal rear wheel traction. Three levels can