Casey Stoner will start this season 's Japan Grand Prix at front of the grid . Yamaha star sets new lap record at Japan as he heads off Jorge Lorenzo . Riders have raised more than $ 140,000 for the `` We are for Japan '' campaign . Stars had initially refused to compete in Motegi due to radiation fears .
Casey Stoner will start Sunday 's Japan Grand Prix at front of the grid . Honda star sets new lap record at Motegi as he heads off Jorge Lorenzo . Riders have raised more than $ 140,000 for the `` We are for Japan '' campaign . Stars had initially refused to compete in Japan due to radiation fears .