James Stewart and the Yamaha YZ450F

You’ve got to admit that Yamaha Motors USA have an excellent PR department, because this video is along the line of Yamaha’s MotoGP A Day in the Office video, but this one is on all the strange rumors surrounding the new 2010 Yamaha YZ450F that will be officially unveiled on September 8th.

Watch this year’s FIM World Supercross Champion James Stewart squash all the rumors, with cameo appearances by Yamaha’s MotoGP riders Jorge Lorenzo, Valentino Rossi, Colin Edwards and James Toseland.