Info:
Last edited: 1/1/2025 · Jürgen Wißler
Events & Results:
| Year | Position | Championship | Brand | ||
|---|---|---|---|---|---|
| 1979 | 5 |  | WM 500ccm Cross | ||
| 1978 | 1 | | WM 500ccm Cross | ||
| 1977 | 1 | | WM 500ccm Cross | ||
| 1976 | 1 | | WM 250ccm Cross | ||
| 9 | | Trophée des Nations 250ccm Cross | |||
| 7 | | Motocross des nations (MXDN) 500ccm Cross | |||
| 1975 | WM 500ccm Cross May 25, 1975, at the Finnish Grand Prix, Heiki Mikkola is narrowly beaten by Roger de Coster. | ||||
| 2 | | WM 500ccm Cross | |||
| 6 | | Trophée des Nations 250ccm Cross | |||
| 1974 | |||||
WM 500ccm Cross Heiki won the first four GPs with six race wins and two second places. He only had to sit out the German GP in Beuern before securing the title with four more wins. The 360cc factory Husqvarna underwent further chassis modifications at the start of the season, with the shock absorbers being significantly tilted. | |||||
| 1 | | WM 500ccm Cross | |||
| 1973 | WM 250ccm Cross Heiki without GP success but consistently good results. | ||||
| 3 | | WM 250ccm Cross | |||
| 4 | | Trophée des Nations 250ccm Cross | |||
| 1972 | WM 500ccm Cross Heiki Mikkola at the GDR Grand Prix in Apolda | ||||
| 3 | | WM 500ccm Cross | |||
| 3 |  | Trans AMA 500ccm Cross | |||
| 1971 | 4 | | WM 250ccm Cross | ||
| 6 | | Trans AMA 500ccm Cross | |||
| 4 | | Trophée des Nations 250ccm Cross | |||
| 1970 | WM 250ccm Cross Swiss Grand Prix in Wohlen. Heiki wins the first Grand Prix. | ||||
| 4 | | WM 250ccm Cross | |||
| 3 | | Trophée des Nations 250ccm Cross | |||
| 1969 | 14 | | WM 250ccm Cross | ||
| 5 | | Trophée des Nations 250ccm Cross | |||
| 1968 | 10 | | WM 250ccm Cross | ||
| 4 | | Trophée des Nations 250ccm Cross | |||
| 1967 | 25 | | WM 250ccm Cross | ||
| 6 | | Trophée des Nations 250ccm Cross |
