2025 Yamaha YZ450F Bike

• Revised rear suspension linkage, lighter spring rate, and updated shock settings enhance stability and traction feel in a wide variety of riding situations
• Revised fork settings including delta-shaped piston shims providing calmer front-end behavior and improved rider comfort
• Revised front engine mounts, improving chassis compliance and enhancing handling stability
• Updated clutch design increases the number of holes feeding oil to the clutch plates from 6 to 18, improving cooling efficiency for excellent reliability even under hard, continuous use
• New handlebar switchbox now incorporates an updated raised rib design to help the rider avoid pressing the wrong button while wearing gloves
• New throttle tube increases the spacing between the throttle grip and throttle housing assembly
• New, lighter aluminum foot peg bracket has a revised shape to enhance rider ergonomics
• New single-texture seat cover design
• 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; rider triangle is also optimized for increased legroom between the seat and footpegs, with a carefully considered handlebar position for a more natural posture and enhanced rider comfort
• Adjustable Engine Maps: two-mode adjustable engine mapping allows the rider to adjust engine character with the push of a button, making it easy to make immediate adjustments to changing track or weather conditions; maps are loaded and configured within the Yamaha Power Tuner App
• 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; controlled through the Yamaha Power Tuner App
• Launch Control system features an RPM limiter which can be adjusted in 500 RPM increments between 6,000 and 14,000 for optimized launches when the gate drops; controlled through the Yamaha Power Tuner App
• Power Tuner App puts the flexibility and precision tunability of the GYTR Power Tuner into your smartphone: adjust air/fuel mixture and ignition timing maps instantly and upload them to the bike for ultimate track-side tuning; intuitive “Simple Tuning” slide bar for engine mapping, Traction and Launch Control tuning, and lap timer, along with helpful engine and suspension tuning guides; record race log information and monitor a range of data such as maintenance and system diagnosis, engine run time and more; wireless connectivity to the bike’s onboard CAN-bus network