Casey Stoner makes winning start to 2010 MotoGP season with victory in Qatar . Australian triumphs on his debut for Honda Repsol team in his 24th race win . World champion Casey Stoner claims 24th place from 2011 rival Honda . Afterwards it was much better , and the bike improved with every lap until the end . '' Seven -time world champion Valentino Rossi back in seventh on Ducati debut .
Casey Stoner makes winning start to 2010 MotoGP season with victory in Qatar . Australian triumphs on his debut for Honda Repsol team in his 24th race win . World champion Casey Stoner claims 24th place from 2011 rival Honda . Seven -time world champion Valentino Rossi back in seventh on Ducati debut .