Answer
Maverick Viñales' contract with Yamaha Factory Racing team was terminated in 2021 after the Spaniard had a series of run-ins with the team. Viñales was unhappy with the performance of the Yamaha YZR-M1 bike and accused the team of not supporting him enough. The team, in turn, accused Viñales of not being committed to the team and of not working hard enough.