1972 Trans-AMA motocross series
Place Rider Country Team
1 Åke Jonsson Sweden Maico
2 Arne Kring Sweden Husqvarna
3 Roger De Coster Belgium Suzuki
4 Bengt Åberg Sweden Husqvarna
5 Hans Maisch West Germany Maico
6 Andy Roberton United Kingdom Husqvarna
7 Christer Hammargren Sweden Yamaha
8 Brad Lackey United States Kawasaki
9 Miroslav Halm Czechoslovakia ČZ
10 Jim Pomeroy United States Bultaco
1972 Trans-AMA Round 9
Nov. 19 , 1972 , Puyallup , Washington
The 1972 Trans-AMA motocross series was the third annual international series established by the American Motorcyclist Association as a pilot event to help establish motocross in the United States. The motocross series was an invitational based on a 500cc engine displacement formula, run on American tracks featuring the top riders from the F.I.M. world championship against the top American riders. Swedish Maico factory rider Åke Jonsson dominated the championship, winning nine consecutive overall wins. 500cc world champion, Roger De Coster and Heikki Mikkola placed second and third overall, claiming one victory apiece to start off the series before Jonsson began his winning streak. Brad Lackey was the highest-placing American rider, finishing the series sixth overall.