Casey Stoner returns to Motegi – the track where he clinched the 2007 MotoGP World Championship, and lost the 2008 title – looking to continue a perfect start to the 2009 season in Qatar two weeks ago. The Ducati Marlboro star was fastest in all three 2009 pre-season tests, then every track session at Losail – including a lights-to-flag victory in Mondays rain delayed night race, which he won by …