[1] The Husqvarna team's Rolf Tibblin won five Grand Prix races en route to claiming the first 500cc motocross world championship of his career.

[2][3] Husqvarna also triumphed in the new 250cc motocross world championship with Torsten Hallman winning his first world title ahead of BSA teammates Jeff Smith and Arthur Lampkin.

[4][5] The Greeves factory chose not to compete in the new championship, keeping two-time European motocross champion, Dave Bickers, at home to compete in the British championship.

The ČZ factory takes its first victory when factory sponsored Vlastimil Valek wins the Czechoslovakian Grand Prix, heralding a decade of dominance by the Czechoslovakian manufacturer.

For the final championship standings, half of the competitors' results + 1 are retained.