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Chassis / Suspension

• CLASS-LEADING SUSPENSION: High-spec fully adjustable Speed Sensitive System KYB® coil spring-type fork provides exceptional bump absorption. The linkage-type rear suspension features a KYB® shock with damping characteristics to match the YZ450F's highly refined chassis. Revised internal valving works in combination with the frame and body to improve traction and increase cornering performance. Additionally, the front fork features a hand operated compression damping adjuster for simple, toolless adjustments.
• PRECISION-TUNED ALUMINUM BILATERAL BEAM FRAME: Striking the perfect balance of precise cornering performance and handling stability, the YZ450F's aluminum bilateral beam frame consists of more than 10 different aluminum components welded together. This provides the opportunity to carefully tune rigidity and flex characteristics of each component to ensure competition-level performance. The result is a better handling machine with lighter feel, improved bump absorption and increased traction, allowing the rider to enter corners with greater confidence and more line choices.
• PRECISION-TUNED ALUMINUM BILATERAL BEAM FRAME: Striking the perfect balance of precise cornering performance and handling stability, the YZ450F's aluminum bilateral beam frame consists of more than 10 different aluminum components welded together. This provides the opportunity to carefully tune rigidity and flex characteristics of each component to ensure competition-level performance. The result is a better handling machine with lighter feel, improved bump absorption and increased traction, allowing the rider to enter corners with greater confidence and more line choices.
• STRONG, LIGHTWEIGHT WHEELS: Careful computer-aided design of each wheel’s cross-sectional profile shaves weight without sacrificing durability. The YZ450F's rear wheel comes laced with a three-cross-spoke pattern for improved impact absorption and rider feel.
• TRIPLE CLAMP WITH ADJUSTABLE HANDLEBAR MOUNTS: The top triple clamp design balances rigidity for improved steering feel while the four-position adjustable handlebar clamp is rubber-mounted for comfort, reduced handlebar vibration and easily tunable bar position.

Engine

• ADJUSTABLE TRACTION & 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 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 riding conditions. The ultra-compact throttle body also saves weight and improves mass-centralization.
• COMPACT FIVE-SPEED TRANSMISSION: Tri-shaft transmission layout vertically stacks the transmission shafts, raising the center shaft and forming a triangle between the crank, drive shaft and main shaft for a lighter, more compact transmission.
• COMPACT, LIGHTWEIGHT CLUTCH: An advanced disc spring clutch design integrates primary gear and basket into a single steel unit. The result is a more compact, lightweight and durable assembly which yields smoother engagement and excellent feel. Premium clutch cover employs a stylish geometric design that helps minimize scratching and lends a bold look.
• ELECTRIC STARTER SYSTEM: The YZ450F features a compact electric starter system to minimize restart delays on track and add convenience everywhere else. Powered by a high-capacity and ultra-lightweight four-cell lithium-ion battery, the system adds minimal weight.
• INDUSTRY-LEADING YAMAHA POWER TUNER APP: The free-of-charge Yamaha Power Tuner App brings the power of the GYTR® Power Tuner to your iOS® or Android® device. Using wireless connectivity to talk to the bike’s onboard CAN-bus network, the 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. The app has been designed to be user-friendly with intuitive features including a “Simple Tuning” slide bar for engine mapping, Traction and Launch Control tuning, lap timer, along with helpful engine and suspension tuning guides. Additionally, lightweight handlebar-mounted switchgear allows on-the-fly selection of preloaded engine maps.
• OPTIMIZED AIR INTAKE: Optimized intake path draws air from under the side covers and seat allowing for a lighter, slimmer and more compact shroud area. This design allows the airbox cover to be lower and more narrow and radiator shrouds to be slimmer.

Other Features

• RACE-WINNING DETAILS: The YZ450F boasts a wide range of top-spec details including 1-1/8-inch aluminum tapered handlebars, compact PVC handlebar pad, lightweight throttle cable, wide footpegs with lightweight aluminum alloy brackets, a quick-adjust clutch perch, stylish blue rims and a lightweight gold drive chain with YZ450F-specific chain guide.

Top Features

• 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: High-spec fully adjustable Speed Sensitive System KYB® coil spring-type fork provides exceptional bump absorption. The front fork also features toolless compression clickers for easy adjustment. The linkage-type rear suspension features a KYB® shock with revised damping characteristics to match the YZ450F's highly refined chassis.
• 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.
• 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.
• 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 2024 YZ450F's advanced DOHC four-stroke engine is light, compact and world renowned for its incredibly broad pulling power across the entire rev range.
• SLIM, COMPACT BODY & EXCEPTIONAL ERGONOMICS: The 2024 YZ450F'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 optimized for increased legroom between the seat and footpegs, with a carefully considered handlebar position for a more natural posture and enhanced rider comfort.
• THE ULTIMATE OPEN CLASS YZ: The ultimate 450 raises the bar even higher. Building on its best-in-class performance, the 2024 YZ450F boasts exceptional power and sharp handling in a compact, lightweight package that makes fast riders even faster.