Quartararo qualified fourth at Buriram, however was instantly dropped to 11th after being pressured huge on the first nook within the moist contest.
He plummeted to 17th after working huge exiting Flip four moments later and could make no further progress up the order, seeing his championship lead worn out by Ducati’s Francesco Bagnaia – who was third – from 18 to 2 factors.
Quartararo stormed out of the Yamaha storage instantly after the race and cancelled all media duties, with the crew at a loss as to clarify his woes.
“As you’ll be able to think about, that was not the scenario we wished to take care of,” Yamaha boss Massimo Meregalli mentioned.
“We didn’t speak to Fabio after the race, as a result of he was in all probability very disenchanted and pissed off and he went straight to his workplace to chill down.
“It’s additionally tough for us to guage till we converse to him. Now we have to speak to him and test the info and see in the event that they match.
“And it’s very obscure. For everybody this race has been a big gamble, as a result of having executed all of the classes within the dry after which race within the moist.
“However we did the identical factor in Indonesia, however there we did the identical factor and carried out nicely.
“Right here was utterly the other. It’s very unclear the explanation and we have to time to grasp.”
Fabio Quartararo, Yamaha Manufacturing unit Racing
Picture by: Gold and Goose / Motorsport Images
RNF Yamaha rider Cal Crutchlow adopted – and at one stage handed – Quartararo in that race, and says it was clear the Frenchman was battling the identical entrance tyre strain points as he was.
“He’s a very good moist climate rider, as a result of final yr he got here third in Le Mans. This yr he was on the rostrum in Mandalika,” Crutchlow mentioned.
“The bike, truthfully talking, just isn’t one of the best within the dry, so he’s driving so nicely within the dry and he’s making the distinction.
“And within the rain, everyone seems to be driving nearly as good as what they have been however our bike issues are exaggerated much more. So, we have to enhance it.
“I might see [he was struggling with the front tyre]. Me and him, the one factor I did was outbrake him.
“The one good factor I might do in that race was brake, the remainder was a waste of my time.
“However whenever you brake laborious, you improve the entrance strain once more. So, you’re in a no-win scenario.
“Fabio was turning precisely how I used to be turning, couldn’t go spherical a nook. Then you might be sluggish across the nook, so that you decide up the throttle and also you’ve acquired no rear grip both. And we all know he’s a very good moist climate rider, so it’s a disgrace.”