Six-time MotoGP world champion Marc Marquez suffered a high-speed crash in second practice for the Indonesian Grand Prix on Friday as title-holder Fabio Quartararo roared back to go quickest.

World-class motorcycling is back in Indonesia for the first time in 25 years and there was drama in the second practice session on a sweltering afternoon on the new Mandalika circuit on the tropical island of Lombok.