Fabio Quartararo believes Yamaha doesn’t really know how to fix the problems with its troubled V4-powered M1 and become competitive in MotoGP again. Quartararo made that assessment after the Iwata-based brand struggled for performance at the US Grand Prix, where its quartet of riders occupied the last four spots on the timesheets. Pramac rookie Toprak Razgatlioglu was the only Yamaha rider ...Keep reading
