Yamaha has conceded that introducing a new V4 engine on its bike before the end of the 2025 MotoGP season is “unrealistic”.

Cal Crutchlow is not the right person to speak to for advice on adapting to the Yamaha YZR-M1 MotoGP bike, according to in-bound Pramac Yamaha rider Jack Miller. Crutchlow, who retired from full-time ...