125cc Motocross World Championship – to finish 125cc Motorcycle World Championship (1949-2011) 250cc Motocross World Championship – to finish 250cc Motorcycle World Championship (1949-2009) 350cc Motorcycle World Championship (1949-1982) 500cc Motocross World Championship – to finish 500cc Motorcycle World Championship (1949-2001) 50cc Motorcycle World Championship (1962-1983) 80cc Motorcycle World Championship (1984-1989)
125cc Motorcycle World Championship (1949-2011) 250cc Motocross World Championship – to finish 250cc Motorcycle World Championship (1949-2009) 350cc Motorcycle World Championship (1949-1982) 500cc Motocross World Championship – to finish 500cc Motorcycle World Championship (1949-2001) 50cc Motorcycle World Championship (1962-1983) 80cc Motorcycle World Championship (1984-1989)
250cc Motocross World Championship – to finish 250cc Motorcycle World Championship (1949-2009) 350cc Motorcycle World Championship (1949-1982) 500cc Motocross World Championship – to finish 500cc Motorcycle World Championship (1949-2001) 50cc Motorcycle World Championship (1962-1983) 80cc Motorcycle World Championship (1984-1989)
250cc Motorcycle World Championship (1949-2009) 350cc Motorcycle World Championship (1949-1982) 500cc Motocross World Championship – to finish 500cc Motorcycle World Championship (1949-2001) 50cc Motorcycle World Championship (1962-1983) 80cc Motorcycle World Championship (1984-1989)
350cc Motorcycle World Championship (1949-1982) 500cc Motocross World Championship – to finish 500cc Motorcycle World Championship (1949-2001) 50cc Motorcycle World Championship (1962-1983) 80cc Motorcycle World Championship (1984-1989)
500cc Motocross World Championship – to finish 500cc Motorcycle World Championship (1949-2001) 50cc Motorcycle World Championship (1962-1983) 80cc Motorcycle World Championship (1984-1989)
500cc Motorcycle World Championship (1949-2001) 50cc Motorcycle World Championship (1962-1983) 80cc Motorcycle World Championship (1984-1989)
