Yamaha overrevved its engines at Mugello, or at least that's the theory that the team has before the Japanese engineers open up the two units that blew up on Sunday. Speaking to Motorsport.com, a source from the team said that the most likely cause for the engine failures Jorge Lorenzo suffered during the warm-up and Valentino Rossi on the ninth lap of the race, was the undulation on the main straight of the Italian circuit. At that point, the rear tyre - spinning at around 380 km/h in the air - loses grip, leading to an increase in revs per minute for the engine. "That, combined with this year's electronics, which are less sophisticated and precise, probably had an influence in the...
Full Story »