2017 Yamaha YZ450FX, Designed for closed course X-Country and enduro-type racing the YZ450FX combines light, nimble handling with the power of a 450.Top FeaturesInnovative Hare Scramble/GNCC® Engine Design: The YZ450FX™ shares the revolutionary rearward-slanted-cylinder design of the YZ450F™ that allows for a straight downdraft intake with a symmetrical port layout. In the YZ450FX, this engine delivers a controllable, torquey power character with strong top-end power tuned specifically for cross-country racing.Bilateral Beam Aluminum Frame: A nearly identical bilateral beam frame that is found on the championship winning YZ450F is used on the YZ450FX. It places the engine, fuel tank and exhaust close to the center mass of the bike for extremely light and nimble handling character.
2017 Yamaha YZ450FX, Designed for closed course X-Country and enduro-type racing the YZ450FX combines light, nimble handling with the power of a 450.Top FeaturesInnovative Hare Scramble/GNCC® Engine Design: The YZ450FX™ shares the revolutionary rearward-slanted-cylinder design of the YZ450F™ that allows for a straight downdraft intake with a symmetrical port layout. In the YZ450FX, this engine delivers a controllable, torquey power character with strong top-end power tuned specifically for cross-country racing.Bilateral Beam Aluminum Frame: A nearly identical bilateral beam frame that is found on the championship winning YZ450F is used on the YZ450FX. It places the engine, fuel tank and exhaust close to the center mass of the bike for extremely light and nimble handling character.
2016 Yamaha YZ450FX, PURE 450CC X COUNTRY RACERDesigned for closed course cross country and enduro-type racing the all-new YZ450FX combine light, nimble handling with the power of a 450.Features may include:Innovative Hare Scramble/GNCC® Engine DesignThe YZ450F™-based machine you’ve been waiting for! The 2016 YZ450FX™ shares the YZ450F’s revolutionary rearward-slanted-cylinder design, with a reversed cylinder head and forward-positioned straight intake. The YZ450FX delivers a controllable, torquey power character with strong top-end power tuned specifically for cross-country racing.Bilateral Beam Aluminum FrameA nearly identical Bilateral Beam frame that is found on the championship winning YZ450F is used on the new YZ450FX. It places the engine and fuel tank close to the center mass of the bike for extremely light and nimble handling character.Advanced Fuel InjectionThe YZ450F-based Keihin® 44mm throttle body fuel injection system is tuned for cross-country racing and ensures smooth throttle response and easy starting in nearly all conditions.Cross Country-specific SuspensionIndustry-leading, YZ450F-derived KYB® spring-type forks with speed sensitive damping and a KYB® rear shock both feature fully adjustable settings designed specifically for cross country racing.