The Yamaha Racing Team continues its testing and refinement of the all-new Yamaha YZF-R1 at Thunderhill Raceway, as they prepare for its racing debut in the upcoming MotoAmerica AMA Superbike Series.
http://www.R1Innovations.com
Video: Yamaha Presents “R1 Road to Austin Episode 4: The Refinement Continues”
Video: Yamaha Presents “R1 Road to Austin Episode 4: The Refinement Continues”
© 2015, Roadracing World Publishing, Inc.
