As the Monster Energy/Graves/Yamaha race team makes final preparations for the all-new YZF-R1’s MotoAmerica Superbike debut at the Circuit of The Americas in Austin TX, reigning 4-time AMA Superbike Champion Josh Hayes and 2014 AMA Superbike Rookie of the Year Cameron Beaubier are joined by Yamaha MotoGP legendary champions Valentino Rossi and Jorge Lorenzo. http://www.R1innovations.com
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