2017 Japanese motorcycle Grand Prix

Background During the previous round in Aragon, Marc Márquez won the race which extended his championship lead over Andrea Dovizioso to 16 points. Jack Miller missed the weekend due to an injury sustained to his right tibia during a test two weeks before the race, former 250cc world champion and Honda test rider Hiroshi Aoyama replacing him throughout the weekend. Jonas Folger would also miss the race weekend due to a recurring battle with Epstein-Barr virus and would fly back to his home in Germany to recover, he was replaced by his team with Japanese rider Kohta Nozane. At the beginning of Q2, Rossi grabbed attention by choosing to set his first laps on slick tyres with rain still falling on the track. Márquez led the field into turn one, with Lorenzo leading the field after the first lap after an incredible start on his Ducati, while Zarco dropped to the middle of the field after a terrible start at pole position. ==Classification==

MotoGP Moto2 Moto3 • Albert Arenas suffered a broken right hand in a crash during qualifying and withdrew from the event. ==Championship standings after the race==

MotoGP Below are the standings for the top five riders and constructors after round fifteen has concluded. ;Riders' Championship standings ;Constructors' Championship standings • Note: Only the top five positions are included for both sets of standings. Moto2 Moto3 ==Notes==