Yamaha technical director Max Bartolini has confirmed the MotoGP factory team has officially begun testing its V4 engine.

Here's a detailed article exploring the key differences of Yamaha's 150cc segment with the FZ-FI V4 and the innovative FZ-S ...

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, Autosport has learned. Although the testing ...