Honda rider Marquez, speediest in FP1 on Friday but only eighth in FP2, was to overcome Dovizioso’s benchmark on Saturday morning at Termas de Rio Hondo having an early stunt of 1m39.170s.
With 20 minutes left on the clockhe became the first driver to dive into the 1m38s, also was the only person to accomplish this until the final 5 minutes, even when most riders armed new soft palate in search of automatic Q 2 berth.
Jack Miller, second quickest on Friday, temporarily deposed Marquez at the head of the bunch with a 1m38.677s aboard the Pramac Ducati, however the reigning winner responded with a 1m38.542s before logging a 1m38.471s as the chequered flag dropped.
That put him 0.206s in front of Miller at the final reckoning, while Cal Crutchlow made it 2 Honda riders at the top three with a time only 0.255s off the pace onto his own LCR machine.
Lead Yamaha rider Maverick Vinales left a late surge up the leaderboard to go fourth, a further tenth straight back, while Ducati’s Danilo Petrucci rebounded from a demanding Friday to place the fifth-fastest time.
Two more Yamaha riders followedFranco Morbidelli on the satellite Petronas SRT case heading up coach Valentino Rossi, who was simply 0.710s off the pace at seventh.
Dovizioso’s Friday time was fine enough to leave him eighth in the joint timesheets following a Italian crashing at Turn 1 with three minutes left on the clock.
Takaaki Nakagami was 10th fastest for LCR Honda however 11th in the united instances, meaning he will have to go through Q1.
Abraham’s Avintia team mate Tito Rabat has been the only other driver besides Dovizioso to crash.
Practice times (mixed ):
* Time place in FP2