Vinales was fastest on the first day of testing, 2016 chassis, 2018 motor. Zarco on the 2017 bike.
1 VIÑALES, Maverick Movistar Yamaha MotoGP 1:30.189 70 / 80
2 ZARCO, Johann Monster Yamaha Tech 3 1:30.389 0.200 0.200 44 / 53
3 MARQUEZ, Marc Repsol Honda Team 1:30.501 0.312 0.112 45 / 70
4 ROSSI, Valentino Movistar Yamaha MotoGP 1:30.519 0.330 0.018 49 / 63
5 MILLER, Jack OCTO Pramac Racing 1:30.635 0.446 0.116 54 / 57
6 ESPARGARO, Aleix Aprilia Racing Team Gresini 1:30.756 0.567 0.121 31 / 51
7 DOVIZIOSO, Andrea Ducati Team 1:30.850 0.661 0.094 28 / 50
8 LORENZO, Jorge Ducati Team 1:31.059 0.870 0.209 34 / 48
9 ESPARGARO, Pol Red Bull KTM Factory Racing 1:31.166 0.977 0.107 45 / 56
10 CRUTCHLOW, Cal LCR Honda Castrol 1:31.259 1.070 0.093 31 / 55