Tuenti Racing's Pol Espargaro set the pace in first practice ahead of this weekend's 125cc FIM World Championship race in Qatar.
Espargaro, one of the title favourites after a strong pre-season programme, set the benchmark in the first practice session of the season with a best time of 2'07.218.
Fellow Tuenti Racing rider Efren Vazquez finished second under the floodlights at the Losail International Circuit, three tenths further back.
Marc Marquez (Red Bull Ajo Motorsport) finished th