Wayne Rainey won the 1990 MotoGP riders’ championship, racing for Yamaha.
Yamaha also took the manufacturers’ championship that season.
It was one of Wayne Rainey’s 3 MotoGP titles (1990, 1991, 1992).
MotoGP & Bikes
Who won the 1990 MotoGP championship?
Wayne Rainey won the 1990 MotoGP championship with Yamaha.
Sources
- Paddock curated championship records
- Wikipedia — MotoGP champions
- MotoGP official site