The Kawasaki ER-6f is a mid-sized naked motorcycle manufactured by the Kawasaki Motorcycle & Engine Company. It was first launched in 2006, and was designed to provide a fun and exciting riding experience while also delivering excellent fuel economy. The bike is powered by a liquid-cooled, 649 cc parallel twin engine, and offers a relaxed riding position with a low seat height. It is available in both standard and ABS models.