| 1989 | 34 | WM 500ccm Cross | Kawasaki | |
| 1989 | 5 | Belgian Inter 500ccm Cross | Kawasaki | |
| 1988 | 21 | WM 500ccm Cross | Kawasaki | |
| 1988 | 3 | Belgian Inter 500ccm Cross | Kawasaki | |
| 1987 | 18 | WM 500ccm Cross | Kawasaki | |
| 1986 | 4 | Belgian Inter 500ccm Cross | KTM | |
| 1985 | 6 | WM 500ccm Cross | KTM | |
| 1985 | 5 | Belgian Inter 500ccm Cross | KTM | |
| 1984 | 4 | WM 500ccm Cross | Honda | |
| 1984 | 7 | Belgian Inter 500ccm Cross | Honda | |
| 1983 | 4 | Belgian Inter 500ccm Cross | Suzuki | |
| 1983 | 6 | WM 500ccm Cross | Suzuki | |
| 1982 | 1 | Belgian Inter 500ccm Cross | Suzuki | |
| 1982 | 2 | WM 500ccm Cross | Suzuki | |
| 1981 | 1 | Belgian Inter 500ccm Cross | Yamaha | |
| 1981 | 4 | WM 500ccm Cross | Yamaha | |
| 1980 | 4 | WM 500ccm Cross | Yamaha | |
| 1980 | 1 | Motocross des nations (MXDN) 500ccm Cross | Yamaha | |
| 1980 | 1 | Belgian Inter 500ccm Cross | Yamaha | |
| 1979 | 7 | WM 500ccm Cross | Suzuki | |
| 1979 | 2 | Belgian Inter 500ccm Cross | Suzuki | |
| 1978 | 11 | WM 500ccm Cross | Suzuki | |
| 1978 | 3 | Belgian Inter 500ccm Cross | Suzuki | |
| 1977 | 2 | Belgian Inter 500ccm Cross | Suzuki | |
