For many years, Yamaha and Suzuki were the only teams running inline-four engines in MotoGP, and both enjoyed periods of significant success. Suzuki claimed the 2020 World Championship with Joan ...

The new 2027 MotoGP technical rules could be 'very beneficial' for Yamaha's inline four-cylinder engine. ... “But the Yamaha has issues, because it is a four-cylinder inline and ‘too wide’.