MotoGP world champion Fabio Quartararo will debut the V4 engine Yamaha has been developing for several months in a private test in Barcelona on Monday, it has been confirmed. The Iwata-based brand initially announced last month that Augusto Fernandez would be racing the V4-powered M1 at the San Marino Grand Prix on 14 September. It was expected that on the following Monday, factory riders ...Keep reading