Kawasaki Heavy Industries produces motorcycles and ATVs for all applications. The Ninja sportbike lineup includes the ZX-14, ZX-10R and ZX-6R - not to mention the firm's top-seller, the little Ninja 250R. Street bikes include the Versys and ER-6N. Kawasaki produces numerous dirt bikes, including the KX450F and KX250F motocross mounts and KLX enduros, as well as the popular KLX650. Kawasaki's quad production includes the KFX sport ATVs and the Teryx UTV side-by-side. History of Kawasaki Motorcycles