| Year | Class | Overall | Points |
|---|---|---|---|
| 1988 | 250MX 450 Class | 27 | 19 |
| 1987 | 250MX 450 Class | 32 | 11 |
| 1987 | 500MX 500MX | 36 | 9 |
| 1985 | 500MX 500MX | 25 | 36 |
| 1984 | 250MX 450 Class | 7 | 281 |
| 1983 | 500MX 500MX | 2 | 438 |
| 1982 | 500MX 500MX | 15 | 103 |
| 1981 | 250MX 450 Class | 1 | 389 |
| 1980 | 250MX 450 Class | 1 | 336 |
| 1979 | 250MX 450 Class | 2 | 408 |
| 1978 | 250MX 450 Class | 6 | 236 |
| 1977 | 250MX 450 Class | 4 | 187 |
| 1977 | 500MX 500MX | 5 | 157 |
| 1976 | 500MX 500MX | 1 | 286 |
| 1976 | 250MX 450 Class | 4 | 187 |
| 1975 | 250MX 450 Class | 2 | 540 |
| 1975 | 500MX 500MX | 5 | 341 |
| 1974 | 250MX 450 Class | 6 | 367 |
