2009 Yamaha YZF-R1

Check out this motorcycle video review of the 2009 Yamaha YZF-R1 in action during the Motorcycle-USA.com 2009 Superbike Smackdown VI at Thunderhill Racetrack. Not all Superbike motorcycles are created equal which is why we have been comparing the best liter-class sportbikes head-to-head for six years in a row. Climb On now. Check out how the 2009 Yamaha YZF-R1 stacked up in the 2009 Superbike Smackdown Track Test.

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