Valentino Rossi important for 2021 Yamaha MotoGP development

Yamaha boss Lin Jarvis says Valentino Rossi will be a “very important part” in the development of the marque's 2021 MotoGP bike despite his switch to the satellite Petronas team.

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Grand Prix bikes of Valentino Rossi that defined his career

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Rossi: 2021 Yamaha MotoGP bike “very similar” to 2020 M1

Franco Morbidelli and Valentino Rossi Unveil MotoGP PETRONAS Yamaha SRT 2021 Yamaha YZR-M1

MotoGP, Valentino Rossi: “Marquez is already as fast like before the injury”

Yamaha YZR-M1 - Wikipedia

Detail - Racing Information

MotoGP: Valentino Rossi To Continue Racing In 2021, Signs With Petronas Yamaha SRT

Valentino Rossi - Wikipedia

Yamaha Presents Valentino Rossi With Special-Edition GYTR R1