Off Highway Racing Bike. True mileage unknown.The young rider has prepared for racing, developed the skills necessary to compete on real motocross tracks, and now needs a motorcycle that can keep pace with these expanding capabilities and their growing bodies. Enter the Kawasaki KX85. A budding racerÂ’s dream, the KX85 is powered by a liquid-cooled, two-stroke, single-cylinder 84-cubic-centimeter engine that churns out race-winning power, and is packed with high-tech features, such as an electrofusion-coated cylinder with a narrow squish band and large volume combustion chamber to enhance top-end power.