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
R1 Road to Austin Episode 4: The Refinement Continues
R1 Road to Austin Episode 4: The Refinement Continues
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