2017 Kawasaki KX450F, The 2017 KX450F motorcycle is the most powerful, lightweight, and agile KX450F ever. Developed from the highest levels of racing, this championship bike has advanced technology sourced straight from the world’s premier race team—another reason why the KX450F is The Bike That Builds Champions.FeaturesChampionship-Proven Power: The 2017 KX450F motorcycle is lightweight and powerful due to innovative race-proven components.Chassis and Bodywork: The slim, lightweight, aluminum perimeter frame and revised triple clamps contribute to agile handling while a flat seat profile and integrated bodywork facilitate easy rider movement and a championship fit.Showa SFF-Air TAC Fork: Lightweight design with tuned rigidity to match chassis dynamics and optimize front end feel; Features low-friction fork seals and optimized valve settings for smooth action and progressive dampingAdvanced Fuel Mapping Technology: The KX450F motorcycle features several advanced ignition and fuel-mapping systems for precise adjustability.