Superior performance with rider-friendly handling.The KFX. 450R is Kawasakis sport ATV flagship! Sitting low to the ground on its adjustable suspension with long front A-arms, the KFX. 450R employs a lightweight and strong aluminium frame and five-speed transmission with reverse to harness the power from its fuel-injected, electric-start engine. Its impressive power and handling allows riders to maximize their performance on the track or in the woods.