# 1974 Trans-AMA motocross series

[citation needed]
The 1974 Trans-AMA motocross series was the fifth 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.
Suzuki factory rider Roger De Coster claimed the championship with four overall victories. His Suzuki teammate, Dutchman Gerrit Wolsink took second place along with one overall victory. Maico factory rider Adolf Weil claimed third place, while the top American rider was Bultaco's Jim Pomeroy in fourth place.

## 1974 Trans-AMA rounds

| Round | Date | Location | Race 1 Winner | Race 2 Winner | Overall Winner | Top American |
| 1 | 6 October | New Berlin, New York | Roger De Coster | Adolf Weil | Roger De Coster | Jim Pomeroy |
| 2 | 13 October | Linnville, Ohio | Heikki Mikkola | Adolf Weil | Heikki Mikkola | Jim Pomeroy |
| 3 | 20 October | Gainesville, Georgia | Roger De Coster | Roger De Coster | Roger De Coster | Jim Pomeroy |
| 4 | 27 October | Orlando, Florida | Gerrit Wolsink | Pierre Karsmakers | Gerrit Wolsink | Brad Lackey |
| 5 | 10 November | Lake Whitney, Texas | Åke Jonsson | Harry Everts | Roger De Coster | Steve Stackable |
| 6 | 17 November | Puyallup, Washington | Harry Everts | Roger De Coster | Harry Everts | Rich Thorwaldson |
| 7 | 24 November | Livermore, California | Bengt Åberg | Roger De Coster | Roger De Coster | Mike Runyard |
| 8 | 1 December | Irvine, California | Pierre Karsmakers | Roger De Coster | Pierre Karsmakers | Pierre Karsmakers* |
| *Karsmakers, a Dutch citizen racing under an American racing license is awarded Top American status after being the Overall Winner of Round 8. Sources: |||||||

## 1974 Trans-AMA final standings

(Results in italics indicate overall winner)
| Pos | Rider | Machine | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | Points |
| 1 | Roger De Coster | Suzuki | 1 | 2 | | | 1 | 1 | | | 2 | 2 | 5 | 1 | 6 | 1 | 3 | 1 | 900 |
| 2 | Gerrit Wolsink | Suzuki | 3 | 3 | | 2 | | | 1 | 3 | | | | | 11 | 7 | 7 | 4 | 530 |
| 3 | Adolf Weil | Maico | | 1 | | 1 | 2 | 2 | 16 | 5 | 8 | 10 | | | 16 | 2 | 4 | 15 | 415 |
| 4 | Jim Pomeroy | Bultaco | 2 | 8 | 3 | | 4 | 3 | 3 | 22 | 5 | 20 | | | | | 2 | 3 | 399 |
| 5 | Harry Everts | Puch | | | | | 8 | 10 | 6 | 12 | 7 | 1 | 1 | 2 | | | | | 344 |
| 6 | Willy Bauer | Maico | | | | | 3 | 5 | 4 | 19 | 45 | 4 | 6 | 36 | 4 | 8 | 6 | 6 | 333 |
| 7 | Yukio Sugio | Yamaha | | | | | 12 | 19 | 7 | 6 | 11 | 8 | 4 | 6 | 15 | 14 | 21 | 9 | 288 |
| 8 | Brad Lackey | Husqvarna | | | | 4 | 10 | 6 | 5 | 9 | 10 | 12 | 7 | 37 | 17 | 6 | | | 285 |
| 9 | Arne Kring | Husqvarna | | | | | | | 9 | 4 | 4 | 9 | 3 | 19 | 7 | 12 | | | 270 |
| 10 | Pierre Karsmakers | Yamaha | 4 | | | | | | 32 | 1 | 6 | 13 | | | | | 1 | 2 | 233 |
| 11 | Rich Thorwaldson | Suzuki | | | 2 | | | | | | 15 | 6 | 8 | 5 | 8 | 13 | 10 | 12 | - |
| 12 | Mike Runyard | Suzuki | | | | | 9 | 12 | 15 | 10 | 21 | 19 | 9 | 10 | 14 | 4 | 18 | 8 | - |
| 13 | Bengt Åberg | Husqvarna | | | | | 5 | 7 | 42 | 8 | | | 26 | 4 | 1 | 41 | | | - |
| 14 | Åke Jonsson | Yamaha | | | | | | | 42 | 2 | 1 | 45 | | | | | | | - |
| 15 | Steve Stackable | Maico | | | | | | | 20 | 14 | 9 | 3 | 23 | 3 | | | 8 | 27 | - |
| 16 | Håkan Andersson | Yamaha | | 4 | | | | | 2 | 16 | 3 | 18 | | | | | | | - |
| 17 | Hans Maisch | Maico | | | | | 11 | 4 | | | | | | | 20 | 3 | 5 | 17 | - |
| 18 | Jimmy Weinert | Kawasaki | | | | | 6 | 13 | | | | | | | 2 | 42 | 9 | 22 | - |
| 19 | Heikki Mikkola | Husqvarna | | | 1 | 3 | | | | | | | | | | | | | - |
| 20 | Tony DiStefano | Suzuki | | | | | 7 | 9 | 12 | 13 | | | | | | | 20 | 18 | - |
| 21 | Rex Staten | Honda | | | | | 15 | 15 | | | | | 20 | 16 | 3 | 41 | 13 | 26 | - |
| 22 | Rich Eierstedt | Honda | | | | | | | 10 | 7 | | | | | 5 | 17 | | | - |
| 23 | Vic Eastwood | CCM | | | | | 20 | 17 | 14 | 18 | | | 10 | 7 | | | | | - |
| 24 | Sonny DeFeo | Maico | | | | | 17 | 22 | 17 | 20 | 19 | 16 | 11 | 13 | 25 | 16 | | | - |
| 25 | Vic Allan | Bultaco | | | | | | | | | | | | | 12 | 9 | 11 | 14 | - |
| 26 | Gary Jones | Can-Am | | | | | | | 23 | 11 | | | | | 24 | 11 | 15 | 10 | - |
| 27 | Raymond Boven | Montesa | | | | | | | | | | | | | 9 | 10 | 16 | 13 | - |
| 28 | Mike Hartwig | Husqvarna | | | | | | | | | | | 2 | 14 | | | | | - |
| 29 | Gary Chaplin | Maico | | | | | | | | | | | 12 | 11 | 18 | 15 | | | - |
| 30 | Koji Masuda | Suzuki | | | | | | | | | 13 | 21 | | | | | 14 | 11 | - |
| 31 | Tim Hart | Yamaha | | | | | 16 | 18 | | | 20 | 7 | | | | | | | - |
| 32 | Henning Hansen | Yamaha | | | | | | | | | | | 16 | 9 | | | | | - |
| 33 | Bryar Holcomb | Maico | | | | | 19 | 16 | | | 18 | 15 | | | | | | | - |
| 34 | Ivan Miller | Penton | | | | | 13 | 14 | | | | | | | | | | | - |
| 35 | Jimmy Ellis | Can-Am | | | | | | | | | | | | | | | 33 | 7 | - |
| 36 | Mark Blackwell | Maico | | | | | 22 | 20 | | | | | 19 | 12 | | | | | - |
| 37 | Roger Harvey | Cheney-BSA | | | | | | | | | 23 | 23 | 17 | 17 | | | | | - |
| 38 | Bill McLean | Yamaha | | | | | | | | | | | 21 | 15 | | | | | - |
| 39 | Gordon Bowden | Yamaha | | | | | 18 | 23 | | | | | | | | | | | - |
| 40 | Tom Kratzer | Yamaha | | | | | | | | | | | 24 | 18 | | | | | - |
| 41 | Wayne Boyer | Cheney-BSA | | | | | | | | | | | | | 22 | 22 | | | - |
| 42 | Trey Jorski | Kawasaki | | | | | | | | | 22 | 24 | | | | | | | - |
| Sources only document the points awarded to the first ten competitors. Sources: ||||||||||||||||||||