Fabio Quartararo says it is unlikely Yamaha will be able to bring an updated version of its V4 MotoGP engine until after the French Grand Prix in May.<br>Last weekend’s Thailand Grand Prix exposed Yamaha’s straightline speed deficit in 2026, with Quartararo running 6.5kph slower than the fastest bikes at Buriram, and the other M1 riders losing significantly more in the speed trap.<br>Since ...<a class='more' href='https://www.autosport.com/motogp/news/no-new-yamaha-motogp-engine-until-after-french-gp-quartararo/10802572/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>