| 3 | Steve Stackable | Motocross West | 500MX | September 1, 1975 |
| 19 | John Ayers | Motocross West | 500MX | September 1, 1975 |
| 3 | Steve Stackable | Ohio International Raceway | 500MX | August 24, 1975 |
| 11 | Jim West | Ohio International Raceway | 500MX | August 24, 1975 |
| 12 | John Ayers | Ohio International Raceway | 500MX | August 24, 1975 |
| 15 | Thomas Wendell | Ohio International Raceway | 500MX | August 24, 1975 |
| 2 | Steve Stackable | Lake Sugar Tree MX Park | 500MX | August 17, 1975 |
| 8 | Jim West | Lake Sugar Tree MX Park | 500MX | August 17, 1975 |
| 17 | John Ayers | Lake Sugar Tree MX Park | 500MX | August 17, 1975 |
| 19 | Gaylon Mosier | Lake Sugar Tree MX Park | 500MX | August 17, 1975 |
| 5 | Steve Stackable | Moto-Masters Park | 500MX | August 10, 1975 |
| 10 | Jim West | Moto-Masters Park | 500MX | August 10, 1975 |
| 11 | Gaylon Mosier | Moto-Masters Park | 500MX | August 10, 1975 |
| 13 | Joe Gretchen | Moto-Masters Park | 500MX | August 10, 1975 |
| 17 | John Ayers | Moto-Masters Park | 500MX | August 10, 1975 |
| 5 | Rich Thorwaldson | Los Angeles | 250SX | July 19, 1975 |
| 11 | Jim West | Los Angeles | 250SX | July 19, 1975 |
| 15 | Mike Middleton | Los Angeles | 250SX | July 19, 1975 |
| 7 | Gaylon Mosier | Lake Whitney Cycle Ranch | 250MX | June 15, 1975 |
| 8 | Chuck Lampe | Lake Whitney Cycle Ranch | 250MX | June 15, 1975 |
| 13 | Steve Stackable | Lake Whitney Cycle Ranch | 250MX | June 15, 1975 |
| 5 | Gaylon Mosier | Baldwin Motocross Park | 500MX | June 8, 1975 |
| 6 | Steve Stackable | Baldwin Motocross Park | 500MX | June 8, 1975 |
| 7 | Rex Staten | Baldwin Motocross Park | 500MX | June 8, 1975 |
| 10 | Herbert Lee Miller | Baldwin Motocross Park | 500MX | June 8, 1975 |
| 19 | Joe Gretchen | Baldwin Motocross Park | 500MX | June 8, 1975 |
| 7 | Gaylon Mosier | Omaha Moto Park | 250MX | June 1, 1975 |
| 8 | Steve Stackable | Omaha Moto Park | 250MX | June 1, 1975 |
| 7 | Gaylon Mosier | Castle Point Moto Sport Park | 250MX | May 25, 1975 |
| 12 | Sonny DeFeo | Castle Point Moto Sport Park | 250MX | May 25, 1975 |
| 2 | Steve Stackable | Appalachia Lake Park | 250MX | May 4, 1975 |
| 9 | Rich Thorwaldson | Appalachia Lake Park | 250MX | May 4, 1975 |
| 5 | Steve Stackable | Hangtown Motocross Classic | 250MX | April 6, 1975 |
| 7 | Rich Thorwaldson | Hangtown Motocross Classic | 250MX | April 6, 1975 |
| 9 | Sonny DeFeo | Hangtown Motocross Classic | 250MX | April 6, 1975 |
| 10 | Gaylon Mosier | Hangtown Motocross Classic | 250MX | April 6, 1975 |
| 7 | Gaylon Mosier | Houston | 250SX | March 14, 1975 |
| 8 | Sonny DeFeo | Houston | 250SX | March 14, 1975 |
| 6 | Sonny DeFeo | Daytona | 250SX | March 8, 1975 |
| 11 | Rex Staten | Daytona | 250SX | March 8, 1975 |
| 18 | Joseph Zappa | Daytona | 250SX | March 8, 1975 |
| 4 | Gaylon Mosier | Irving | 250SX | February 28, 1975 |
| 15 | Sonny DeFeo | Irving | 250SX | February 28, 1975 |
