Yamaha says it isn’t currently planning to race its V4 MotoGP engine with its factory race riders this year. Yamaha Motor Racing Managing Director Paolo Pavesio says the Iwata manufacturer is ...

Every new internal combustion car and truck sold in America today is equipped with a four-stroke engine, as are the vast ...

A V4 engine is rare. Ducati is the evangelist of this engine format, and it uses it only in its premium models. Aprilia is ...