MotoGP mechanics will be required to wear helmets when assisting riders with bike changes in flag-to-flag races from 2017.Related StoriesA decision made by the grand prix commission at Brno will also reduce the number of personnel present for each bike change to a maximum of four.Riders highlighted the need for...

Updates and clarifications have been laid down by IndyCar regarding standing start procedure, restart procedure, and what constitutes the racing surface,These are the notes following the driver meeting:Brake markers were added in Turn 3, drivers' right.Tires are in Turns 5 and 9 so the following rule is in effect: 7.3.4.1....