Since Yamaha announced in the middle of last season that they were developing a V4 engine for its MotoGP project the prototype motor has been the subject of more speculation than almost anything ...

Yamaha's Fabio Quartararo has shared his doubts about the potential V4 engine the Japanese manufacturer is developing, unsure if it will provide the much-needed turnaround in performance in MotoGP ...

Yamaha is ready to begin track testing of the new V4 engine for its MotoGP bike, although the initial run at Jerez last week had to be delayed. Yamaha, the only MotoGP manufacturer still running ...

Yamaha’s race riders are set to begin testing on Saturday at the MotoGP Sepang shakedown, but the focus won’t be on the marque’s long-awaited V4 engine. Last year Yamaha announced it would ...