2017 Yamaha YZ250F, 2017 Yamaha YZ250F 4 CHAMPIONS. 7 SHOOTOUTS. ZERO COMPETITION Reigning 2-straight MX and SX West Champion and winner of every major 250 shootout! More refined for 2017. The best just got even better. Features may include: Innovative Engine DesignA liquid-cooled, DOHC 4-valve, fuel-injected engine with forward-positioned downdraft intake delivers class leading engine power, updated for 2017 to further improve top-end power. This engine design allows for unmatched mass centralization, concentrating the motorcycle s key components engine, fuel tank and exhaust system toward the center of the motorcycle achieving light and nimble handling performance.Updated TransmissionNew gear dogs, revised gear tooth designs and a host of smaller changes create a smoother overall transmission with improved shifting, as well as a stronger overall powertrain for improved durability.Bilateral Beam Aluminum FrameA Yamaha s renowned bilateral beam aluminum frame features compact overall dimensions that balance minimal weight with the strength and rigidity needed for race-winning performance. This frame features a new forged section at the swingarm pivot, and engine mounting brackets for tuned responsiveness, handling and unmatched lightweight feeling.Updated Suspension SettingsIndustry-leading, fully adjustable KYB® spring-type fork with speed sensitive damping features revised valving for improved suspension feel and balance. The KYB® rear shock also features settings optimized for ideal damping characteristics.GYTR® Power Tuner ReadyAccessory GYTR Power Tuner lets owners adjust air/fuel mixture and ignition timing maps to match engine performance characteristics to the rider and track conditions in a matter of seconds with the push of a few buttons, as well as monitor engine diagnostic codes.
2016 Yamaha YZ450F 60th Anniversary, 2016 Yamaha YZ450F 60th Anniversary Multi Moto Shootout Winner Bike of choice for Justin Barcia and Weston Peick and top pick of the top moto magazines makes the YZ450F a double winner. And the YZ450F is even better in 2016. Features May Include: New Launch Control System New LCS optimizes engine output for quicker, smoother race starts every time, boosting controllability out of the gate, while updated high-precision shifting components improve shifting feel, especially under race conditions. Innovative Engine Design YZ450F s revolutionary rearward-slanted-cylinder design achieves unmatched mass centralization. Concentrating the motorcycle s key components - engine, fuel tank, exhaust system, and airbox - toward the center of the machine achieves superior, nimble handling of a 250cc machine and provides a straight down-draft intake for unmatched power. Advanced Fuel Injection The engine breathes through a 44mm throttle body fed by a high pressure electric pump to ensure optimum fuel atomization and power for a wide range of riding conditions, instantly adjusting the air/fuel mixture for changing altitude or temperature. New Frame Rigidity Balance The aluminum Bilateral Beam frame features a new forged section at the swingarm pivot and 2mm thicker motor mounts to further improve the rigidity balance for more front-end feel, cornering traction and unmatched lightweight handling. New Suspension Settings Industry-leading, fully adjustable KYB® spring-type fork with speed sensitive damping and KYB® shock feature refinements to damping settings result in superior handling, now with additional fork offset to further refine the YZ450F s legendary combination of bump absorption and controllable agility. New 270mm Front Brake Larger 270mm front disc brake coupled with new pad material offers outstanding machine control and performance, with exceptional stopping power and controllability. GYTR® Power Tuner Ready Accessory GYTR® Power Tuner lets owners adjust air/fuel mixture and ignition timing maps to match engine performance characteristics to the rider and track conditions in a matter of seconds with the push of a few buttons, as well as monitor engine diagnostic codes.
