Yamaha/Petronas partnership ends

Yamaha's works MotoGP squad will lose its Petronas backing from the 2012 season, bringing a 'natural conclusion' to a three-year partnership between the two entities. Petronas, an oil and gas corporation owned by the Malaysian government, joined forces with Yamaha at the start of the 2009 season, although FIAT remained the title sponsor. It met with success immediately, as Valentino Rossi claimed his seventh and to date last MotoGP crown, while Jorge Lorenzo helped secure Yamaha the teams' crown

Charles Robert Hamilton IV Charles Robert Hamilton V Kevin Michael Harvick Virgil Ernest Irvan III Kenny Dale Irwin Jr