2011 Kawasaki KFX 450R, Very clean bike!! Call now 810-227-7068 - A full featured sport ATV with race ready technology You?ll know you?re on a muscular ride from the moment you thumb the KFX450R?s electric starter. With its lightweight aluminum frame, long lower front A-arm suspension and a fully adjustable rear shock, this ATV offers track dominating handling and confidence-inspiring stability to compliment its powerful engine.