19-year-old Dupasquier died on Sunday after a terrible accident in Mugello on Saturday.
Dupasquier was involved in a serious incident during Moto3’s second qualifying at the Italian Grand Prix.
A statement from MotoGP organizer Dorna Sports reported the news after the Moto3 race on Sunday.
“After a serious incident in Moto3 qualifying 2 at the Gran Premio d’Italia Oakley, we report with great sadness the death of Moto3 rider Jason Dupasquier,” the statement began.
“Dupasquier was involved in an incident with several drivers between turns 9 and 10, after which the session was marked in red.
“FIM Medical Intervention Vehicles arrived on site immediately and the Swiss driver was taken care of on the route before he was brought to the Careggi Hospital in Florence in a stable condition by a medical helicopter.
“Despite all the efforts of the circuit’s medical staff and all those who looked after the Swiss driver, the hospital announced that Dupasquier unfortunately died of his injuries.
“Dupasquier had an impressive start to his second season in the lightweight Grand Prix racing, scored consistently and was among the top ten in the overall standings.
“The FIM, IRTA, MSMA and Dorna Sports express our deepest condolences to Dupasquier’s family, friends, team and relatives.”