Footage of the sixth stage of the motocross world championships in Russia.
Jeff Smith beats John Burton to win a motocross race in Belgium.
International Motorcross racing won by Sten Lundin in Germany.
British motorcyclist wins International Motocross in Holland.
250 CC Trophie Des Nations moto-cross competition is won by British riders.
Dave Bickers wins the Motocross Grand Prix at Glastonbury, Somerset.