2013 Kawasaki KFX 450R, KFX 450R - ONLY UNIT LEFT!!! - Track-ready Sport ATV Dominates On the Trail Whether you?re competing for a trophy or just bragging rights with your buddies, the KFX450R is the sport ATV to put you on top. Its nimble chassis and long A-arm front suspension are complemented by a powerful engine with digital fuel injection (DFI) and a compact electric starter, for precise throttle response and easy starting.