Àlex Crivillé (pictured at Rio de Janeiro) became the 500cc champion
Valentino Rossi (pictured at Donington Park) became the 250cc champion
The 1999 Grand Prix motorcycle racing season was the 51st F.I.M. Road Racing World Championship season.
The 1999 Grand Prix motorcycle racing season was the 51st F.I.M. Road Racing World Championship season.