 Going into the final round of the season he was second in points, but lost out to final-race winner Kenny Roberts Jr.. After a largely unsuccessful 2000 he switched to the Superbike World Championship for , without winning a race although taking three podium finishes and 8th overall.Okada chose to retire at the end of the year.He made a one-off wildcard appearance at the 2008 Italian Grand Prix at Mugello in June, finishing 14th, in the first race for the pneumatic valved Honda RC212V.