250cc World Championships
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Top 3 in 1973 250cc World MX Championships
1) Håkan Andersson (Yamaha) – Sweden
2) Germany Adolf Weil (Maico) – Germany
3) Heikki Mikkola (Husqvarna) – Finland
500cc World Championships
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Top 3 in 1973 500cc World MX Championships
1) Roger De Coster (Suzuki) – Belgium
2) Willy Bauer (Maico) – Germany
3) Jaak van Velthoven – Belgium
125cc Under 25 Prize Series
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