New Red Bull KTM signing Luis Salom began his factory career in style by setting the pace after the opening pair of practice sessions for round one in Qatar
Under floodlights it was Salom who put in a best effort of 2'07.341 to get the better of FP1 leader Jonas Folger, after the Aspar rider had topped the morning session.
Behind third-placed Alex Rins, team-mate Alex Márquez, brother of MotoGP rookie Marc Márquez, was fourth fastest, with Niccolò Antonelli and Gresini Moto3 rounding out the top five.
In the case of Antonelli, the Italian was fortunate to re-join the action after a fall at Turn 10. Behind came Mahindra Racing's Efrén Vázquez in sixth spot from Ambrogio Racing's Brad Binder and Avant Techno's Niklas Ajo.
Maverick Viñales, still recovering after losing a fingertip in the final pre-season test, the ended his evening in ninth. Rookie Team Calvo KTM team-mate and first female Moto3 rider Ana Carrasco frustratingly managed only ten minutes of track time.
Jakub Kornfeil completed the top ten for Redox RE Racing GP.