Thailand MotoGP: Quartararo leads Yamaha 1-2-3 in FP2
Petronas Yamaha rookie Fabio Quartararo topped the second MotoGP practice session at Buriram as Marc Marquez returned from hospital to take sixth place.
His 1m30.891s gave him a huge early lead and while several riders took in second place, for 30 minutes the field was only able to close the gap to Marquez from seven to five tenths.
As other riders put on new rear tyres for the late-session flyers, Valentino Rossi was the first one to threaten Marquez's lead with two 1m31.0s before his teammate Vinales went fastest.
But Vinales couldn't improve for the rest of the session and Quartararo did instead, the Frenchman taking the lead with a 1m30.404s just a few seconds before the chequered flag fell.
He topped the session by 0.193s from Vinales, with his teammate Franco Morbidelli completing an all-Yamaha top three.
Pramac Ducati's Jack Miller was the best non-Yamaha rider in fourth with Rossi completing the top five.
Marquez did not improve on his early-session time and fell to sixth in the order with Aprilia's Aleix Espargaro taking an impressive seventh.
Tech 3 KTM's Miguel Oliveira fell at Turn 11, his second crash of the weekend.
|1||20|| Fabio Quartararo ||Yamaha||1'30.404|
|2||12|| Maverick Viñales ||Yamaha||1'30.597||0.193|
|3||21|| Franco Morbidelli ||Yamaha||1'30.625||0.221|
|4||43|| Jack Miller ||Ducati||1'30.698||0.294|
|5||46|| Valentino Rossi ||Yamaha||1'30.733||0.329|
|6||93|| Marc Marquez ||Honda||1'30.891||0.487|
|7||41|| Aleix Espargaro ||Aprilia||1'31.007||0.603|
|8||4|| Andrea Dovizioso ||Ducati||1'31.027||0.623|
|9||36|| Joan Mir ||Suzuki||1'31.086||0.682|
|10||42|| Alex Rins ||Suzuki||1'31.094||0.690|
|11||9|| Danilo Petrucci ||Ducati||1'31.115||0.711|
|12||63|| Francesco Bagnaia ||Ducati||1'31.154||0.750|
|13||35|| Cal Crutchlow ||Honda||1'31.344||0.940|
|14||30|| Takaaki Nakagami ||Honda||1'31.424||1.020|
|15||44|| Pol Espargaro ||KTM||1'31.499||1.095|
|16||29|| Andrea Iannone ||Aprilia||1'31.512||1.108|
|17||17|| Karel Abraham ||Ducati||1'31.588||1.184|
|18||53|| Tito Rabat ||Ducati||1'31.932||1.528|
|19||88|| Miguel Oliveira ||KTM||1'31.936||1.532|
|20||99|| Jorge Lorenzo ||Honda||1'31.949||1.545|
|21||82|| Mika Kallio ||KTM||1'31.991||1.587|
|22||55|| Hafizh Syahrin ||KTM||1'32.584||2.180|
|View full results|
Marquez escapes injury after Thailand crash
Marquez "couldn't breathe" for five seconds after crash