| Year | Class | Overall | Points |
|---|---|---|---|
| 1988 | 250MX 450 Class | 5 | 193 |
| 1987 | 250MX 450 Class | 21 | 32 |
| 1986 | 250MX 450 Class | 13 | 76 |
| 1985 | 500MX 500MX | 1 | 379 |
| 1984 | 500MX 500MX | 2 | 443 |
| 1983 | 500MX 500MX | 1 | 471 |
| 1982 | 250MX 450 Class | 3 | 294 |
| 1981 | 500MX 500MX | 1 | 366 |
| 1980 | 125MX 250 Class | 2 | 305 |
| 1979 | 125MX 250 Class | 1 | 369 |
| 1978 | 125MX 250 Class | 1 | 412 |
| 1977 | 125MX 250 Class | 1 | 240 |
| 1976 | 125MX 250 Class | 5 | 222 |
