Red Bull KTM Ajo rider Jack Miller topped the Moto3 timesheet during Argentina's first qualifying session for 15 years at the still dusty, brand new Termas de Rio Hondo circuit.

The Australian had finished fastest in all previous sessions and kept his perfect run of form going with a 1m 49.200s in qualifying as the lap times continued to tumble, setting a new best lap of the track as the times dipped under the 1m 50 barrier for the first time.

Miller lead from the start of the session and had luck with the traffic, slipstreaming and passing his way to the fastest time on a packed track that he likened to riding in a 'parking lot'.

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The championship leader, who won the first two races of the season, put much of his success down to being able to achieve 'good lap times with old tyres'.

Though the rest of the field also lowered their times consistently, they were always just behind with veteran of the class Efren Vazquez the best of the rest, taking second on the grid for SaxoPrint-RTG as the highest placed Honda rider.

An excellent session for British rider Danny Kent saw him snatch the final front row spot, his first front row since 2012 after a spell in Moto2 and the first for Husqvarna since their return to grand prix racing.

The Red Bull rider put part of his improved performance down to saving his new tyres for qualifying.

The final push for position had come in the last ten minutes with slipstreaming being the key to climbing up into the higher grid positions.

Calvo team rider Jakub Kornfeil did well in the shake down and starts from fourth on the grid.

He is joined on the all KTM second row by the resurgent Romano Fenati in fifth and his Sky Racing Team VR46 team-mate Francesco Bagnaia in sixth.

Niklas Ajo seemed at ease on the unfamiliar track and Avant Tenco rider gave Husqvarna a great session by securing a seventh place start.

Estrella Galicia rider Alex Rins starts eighth, well ahead of his team-mate Alex Marquez who did not make it inside the top ten best times, in eleventh.

Livio Loi scored his best ever qualifying result in ninth for Marc VDS. Tenth went to Alessandro Tonucci. The Italians CIP bike was the best placed Mahindra.

John McPhee had a solid session which was on the edge of becoming very special for the SaxoPrint-RTG rider.

The Scotsman was fastest in the second sector of the track when he met a train of bikes slowing down and "couldn't really go anywhere". He starts from 13th on the grid.

The first crash of the session went to Zulfahmi Khairrudin after just five minutes, though he was swiftly followed into the gravel by Niccolo Antonelli and Brazilian Eric Granado.

Alexis Masbou fell and was hit by Brad Binder who was directly behind him. Both riders walked away from the crash.

Karel Hanika had a very high speed crash in the final minutes at turn 9 but qualified in sixteenth after a strong session for the rookie.