Raymond Roche won the 1990 WorldSBK riders’ championship, racing for Ducati.
The manufacturers’ championship went to Honda.
MotoGP & Bikes
Who won the 1990 WorldSBK championship?
Raymond Roche won the 1990 WorldSBK championship with Ducati.
Sources
- Paddock curated championship records
- Wikipedia — WorldSBK
- WorldSBK official site