2025 Yamaha YZ450FX Team Yamaha Blue 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. Features May Include: - The Ultimate Open Class Cross Country Racer 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. - High Performance 450cc Four-Stroke Engine 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. - Industry-Leading Yamaha Power Tuner App 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. - Advanced Aluminum Bilateral Beam Frame The advanced aluminum bilateral beam frame with YZ450FX-specific engine mounts provides just the right amount of strength and flex for the perfect balance of straight-line stability and cornering performance. The result is a better handling machine with lighter feel, more agility and increased traction, allowing the rider to tackle tight, technical courses with greater confidence. - Class-Leading Suspension World renowned suspension performance straight out of the box. High-spec fully adjustable Speed Sensitive System KYB® coil spring-type fork provides exceptional bump absorption, and now features toolless compression clickers for easy adjustment and new fork covers to help prevent debris damage. The linkage-type rear suspension features a KYB® shock with cross-country focused damping characteristics to match the YZ450FX's refined chassis. - High Performance Braking System Compact front and rear brake calipers work with aggressive pad compounds and lightweight discs to provide exceptional braking power and control, efficiently dissipate heat, and reduce unsprung weight. - Ergonomics Designed for Control 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. - Powerful 450cc Four-Stroke 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. - Industry-Leading Yamaha Power Tuner App 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. - Traction Control System 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 be selected: HIGH, LOW or OFF. - On-The-Fly Engine Mapping Selection Lightweight handlebar-mounted switchgear allows the rider to quickly select between preloaded engine maps”loaded and configured in the Power Tuner App”to adjust for changing riding conditions. Map 1 provides more responsive, quicker revving engine characteristics while Map 2 provides smoother response and slower revving characteristics for when traction is limited. - Advanced Fuel Injection The engine breathes through a 44mm Mikuni® throttle body fed by a high-pressure electric pump to ensure optimum fuel atomization and power for a wide range of altitudes, weather and riding conditions. - Compact Lightweight Clutch The YZ450FX's clutch design utilizes a disc spring and in