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| Year | Motorcycle | Country | Track | Result |
| 1990 | Marlboro Team Roberts Yamaha | Australia | Phillip Island | 8th |
| 1991 | Team Hayashi Yamaha | Japan | Suzuka | 15th |
| 1992 | Valvoline ROC-Yamaha | Japan Australia Malaysia Spain Europe Germany Britain Brazil South Africa | Suzuka Eastern Creek Shah Alam Jerez Catalunya Hockenheim Donington Park Interlagos Kyalami | DNF 11th 8th 6th 12th 10th 5th DNF DNF |
| 1993 | Lucky Strike Suzuki | Australia | Eastern Creek | DNF |
| 1996 | Lucky Strike Suzuki | Australia | Eastern Creek | 10th |
| 1997 | Lucky Strike Suzuki | Japan Spain Indonesia Australia |
Suzuka Jerez Sentul Phillip Island |
13th DNF 13th 9th |