2025 Yamaha YZ450F Team Yahama Blue LIGHTER, SLIMMER, SHARPER, FASTER Yamaha took the championship winning YZ450F and made it even better—more powerful, lighter, slimmer, with enhanced overall stability and more agility than ever! Because the best don’t rest. Features May Include: NEW FOR 2025 Revised Suspension Components & Settings - A revised rear suspension linkage and updated shock settings enhance stability and traction feel in a wide variety of riding situations. To match the rear linkage revision, front suspension settings have also been updated including incorporating delta-shaped piston shims providing calmer front-end behavior and improved rider comfort. Revised Front Engine Mounts - To match the new suspension components and settings, the front engine mounts have been revised improving chassis compliance and enhancing handling stability. New Clutch Design - An 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 Design - A new handlebar switchbox now incorporates an updated raised rib design to help the rider avoid pressing the wrong button while wearing gloves. New Foot Peg Bracket Design - The new, lighter aluminum foot peg bracket has a revised shape to enhance rider ergonomics. TOP FEATURES The Ultimate Open Class YZ - The ultimate 450 raises the bar even higher. Building on its best-in-class performance, the 2025 YZ450F boasts exceptional power and sharp handling in a compact, lightweight package that makes fast riders even faster. 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 2025 YZ450F's advanced DOHC four-stroke engine is light, compact and world renowned for its incredibly broad pulling power across the entire rev range. Cutting-Edge Yamaha Power Tuner App - Like having factory team support in your pocket, Yamaha's groundbreaking Power Tuner App allows owners to adjust air/fuel mixture and ignition timing to tune engine performance for track conditions, record race log information and monitor a range of data such as maintenance and system diagnosis, engine run time and more. Features include an intuitive Simple Tuning slide bar for quick engine mapping adjustments, Traction and Launch Control tuning, lap timer, along with helpful engine and suspension tuning guides. Best of all, it's free-of-charge. Adjustable Traction Control & Launch Control - 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. The Launch Control System continues to implement traction control and features an rpm limiting setting, which can be adjusted in 500 rpm increments between 6,000 rpm and 11,000 rpm. Both systems are controlled through the Yamaha Power Tuner App. Advanced Aluminum Bilateral Beam Frame - The precisely tuned aluminum bilateral beam frame provides just the right amount of strength and flex for the perfect balance of stability and cornering performance. The result is a better handling machine with lighter feel, more agility and increased traction allowing the rider to enter corners with greater confidence and more line choices. Class-Leading Suspension - The YZ450F's high-spec fully adjustable Speed Sensitive System KYB® coil spring-type fork is recognized as the gold standard in the 450 class, providing exceptional feel and bump absorption. Front fork piston now incorporates delta-shaped slow speed shims for improved fluid flow, providing calmer front-end behavior and improved comfort. Matching changes to the front, the KYB® shock features revised settings and an updated rear suspension linkage for enhanced stability and traction feel in a wide variety of riding situations. High Performance Braking System - A large 270mm front brake rotor is coupled with a Nissin caliper to provide excellent braking performance. Out back, rear brake feel is improved by reducing the rigidity of the brake hose providing a wider range of control at the pedal. Slim, Compact Body & Exceptional Ergonomics - The 2025 YZ450F's slim, flat, compact body eases rider movement for improved control, including seamless, rounded features from the new single-texture seat cover design to the narrow fuel tank and front shroud. The rider triangle is also optimized for increased legroom between the seat and foot pegs, with a carefully considered handlebar position for a more natural posture and enhanced rider comfort. ENGINE 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 2025 YZ450F's advanced DOHC four-stroke engine is light, compact and world renowned for it