 Complete the following phrase:  In July 2018 it was announced that Sepang Racing Team would make the step up to the premier class for the MotoGP season, with Yamaha providing leased Yamaha YZR-M1 motorcycles for the 2019, 2020 and 2021 MotoGP seasons. Signing French rookie Fabio Quartararo and Italian rider Franco Morbidelli and being joined by Petronas as title sponsor, the team became Petronas Yamaha SRT. The team expanded their partnership with Petronas further at the 