Comme lors des derniers Grands Prix, Maverick Viñales et Fabio Quartararo ont été rapides d’entrée de jeu à Motegi. Ils dominent la première séance d’essais libres devant un troisième pilote Yamaha, Franco Morbidelli.
Résultats :
| Pos | Pilote | Km/h | Chrono | |
|---|---|---|---|---|
| 1 |  #12 |
Maverick VIÑALES Monster Energy Yamaha MotoGP |
306.8 | 1’45.572 |
| 2 |  #20 |
Fabio QUARTARARO Petronas Yamaha SRT |
303.3 | 1’45.830 0.258 / 0.258 |
| 3 |  #21 |
Franco MORBIDELLI Petronas Yamaha SRT |
304.2 | 1’45.983 0.411 / 0.153 |
| 4 | #93 |
Marc MARQUEZ Repsol Honda Team |
310.3 | 1’46.035 0.463 / 0.052 |
| 5 | #42 |
Alex RINS Team SUZUKI ECSTAR |
310.3 | 1’46.065 0.493 / 0.030 |
| 6 | #36 |
Joan MIR Team SUZUKI ECSTAR |
310.3 | 1’46.125 0.553 / 0.060 |
| 7 |  #43 |
Jack MILLER Pramac Racing |
311.2 | 1’46.197 0.625 / 0.072 |
| 8 | #4 |
Andrea DOVIZIOSO Ducati Team |
311.2 | 1’46.206 0.634 / 0.009 |
| 9 | #44 |
Pol ESPARGARO Red Bull KTM Factory Racing |
310.3 | 1’46.215 0.643 / 0.009 |
| 10 |  #35 |
Cal CRUTCHLOW LCR Honda CASTROL |
309.4 | 1’46.289 0.717 / 0.074 |
| 11 | #41 |
Aleix ESPARGARO Aprilia Racing Team Gresini |
307.6 | 1’46.414 0.842 / 0.125 |
| 12 | #46 |
Valentino ROSSI Monster Energy Yamaha MotoGP |
302.5 | 1’46.420 0.848 / 0.006 |
| 13 | #9 |
Danilo PETRUCCI Ducati Team |
308.5 | 1’46.535 0.963 / 0.115 |
| 14 | #29 |
Andrea IANNONE Aprilia Racing Team Gresini |
304.2 | 1’46.745 1.173 / 0.210 |
| 15 |  #30 |
Takaaki NAKAGAMI LCR Honda IDEMITSU |
305.9 | 1’46.763 1.191 / 0.018 |
| 16 |  #82 |
Mika KALLIO Red Bull KTM Factory Racing |
307.6 | 1’46.898 1.326 / 0.135 |
| 17 |  #88 |
Miguel OLIVEIRA Red Bull KTM Tech 3 |
303.3 | 1’46.942 1.370 / 0.044 |
| 18 |  #17 |
Karel ABRAHAM Reale Avintia Racing |
307.6 | 1’47.327 1.755 / 0.385 |
| 19 | #99 |
Jorge LORENZO Repsol Honda Team |
307.6 | 1’47.438 1.866 / 0.111 |
| 20 | #63 |
Francesco BAGNAIA Pramac Racing |
307.6 | 1’47.496 1.924 / 0.058 |
| 21 | #50 |
Sylvain GUINTOLI Team SUZUKI ECSTAR |
306.8 | 1’47.753 2.181 / 0.257 |
| 22 | #53 |
Tito RABAT Reale Avintia Racing |
306.8 | 1’48.097 2.525 / 0.344 |
| 23 |  #55 |
Hafizh SYAHRIN Red Bull KTM Tech 3 |
300.8 | 1’48.358 2.786 / 0.261 |
Classement MotoGP après Buriram (15/19) : 1. Marquez 325, 2. Dovizioso 215 (-110), 3. Rins 167 (-158), 4. Viñales 163 (-162), 5. Petrucci 162 (-163), 6. Rossi 145 (-180), 7. Quartararo 143 (-182), 8. Jack Miller 119 (-206), 9. Crutchlow 102 (-223), 10. Morbidelli 90 (-235)… Classement complet ici
