The 2023 Diavel V4 arrived for its test at a lovely house on top of one of those notorious hills just outside of Los Angeles, the ones where the turns are as sharp as cactus needles and the road was ...

Yamaha plans to test the V4 engine it has been developing for its M1 MotoGP machine at a private test in Valencia on Tuesday and Wednesday this week, Motorsport.com has learned. Yamaha originally ...

Yamaha’s 2021 MotoGP world champion Fabio Quartararo has said the Japanese manufacturer is right in developing a V4, following the first European test of the engine at Valencia last week. While Pramac ...

Yamaha heads to the Sepang MotoGP tests with a long list of new V4 parts to evaluate. Monster Yamaha team director Massimo Meregalli says the factory will arrive at Sepang with a “pretty long” list of ...