Kawasaki is recalling certain ZX-6R & ZX-10R motorcycles for a regulator/rectifier that may be improperly charging the motorcycle’s battery. Concerning Kawasaki Ninja ZX-6R motorcycles from 2009-2012 and Kawasaki Ninja ZX-10R motorcycles from 2008-2011, the NHTSA is reporting that 20,544 motorcycles are affect by the recall, all of which were manufactured between December 14, 2007 and July 26, 2011.