Yamaha's new V4 MotoGP engine set to begin track testing
Yamaha is ready to begin track testing of the new V4 engine for its MotoGP bike, although the initial run at Jerez last week had to be delayed. Yamaha, the only MotoGP manufacturer still running inline four-cylinder engines, has been pushing with the development of the new unit in an attempt to catch up with its rivals after several difficult seasons. Its engineers in Iwata have been working ... Keep reading