Japanese Yamaha test rider Katsuyuki Nakasuga will step in to replace injured Yamaha Factory Racing rider Ben Spies for the final round of the 2012 MotoGP Championship, the Grand Premio Generali de la Comunitat Valenciana in two weeks time.











Nakasuga-san has already proven to be a trustworthy rider to handle the Factory YZR-M1, taking it [...]

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