Max Neukirchner currently competes on a sports bike that has been manufactured since what year?
Max Neukirchner: Max Neukirchner (born 20 April 1983 in Stollberg, Germany) is a professional motorcycle racer currently competing in the Endurance FIM World Championship aboard a Yamaha YZF-R1. Yamaha YZF-R1: The Yamaha YZF-R1, or R1, is an open class sport bike, or superbike, motorcycle manufactured by Yamaha Motor Company since 1998.
1998