KUALA LUMPUR, MALAYSIA - FEBRUARY 01:  The new aerodynamics part of the bike of Valentino Rossi of Italy and Movistar Yamaha MotoGP in box during the MotoGP Tests In Sepang at Sepang Circuit on February 1, 2017 in Kuala Lumpur, Malaysia.  (Photo by Mirco Lazzari gp/Getty Images)