| 9 | Jim Weinert | Anaheim | 250SX | November 12, 1977 |
| 13 | Terry Clark | Anaheim | 250SX | November 12, 1977 |
| 10 | Gary Semics | Sunshine Speedway | 500MX | August 28, 1977 |
| 6 | Gary Semics | Burnt Hickory Motocross | 500MX | August 21, 1977 |
| 8 | Gary Semics | Metrolina Speedway Park | 500MX | August 7, 1977 |
| 9 | Gary Semics | Unadilla Motocross | 500MX | July 31, 1977 |
| 5 | Gary Semics | Cycle World USA | 500MX | July 23, 1977 |
| 8 | Gary Semics | Lake Whitney Cycle Ranch | 500MX | July 17, 1977 |
| 17 | Terry Clark | Lake Whitney Cycle Ranch | 500MX | July 17, 1977 |
| 1 | Jim Weinert | Los Angeles | 250SX | July 9, 1977 |
| 7 | Jim Weinert | Agency Motocross | 125MX | July 3, 1977 |
| 9 | Jim Weinert | Rio Bravo MX Park | 125MX | June 26, 1977 |
| 3 | Jim Weinert | Midland Motocross Park | 125MX | June 19, 1977 |
| 5 | Jim Weinert | New Orleans | 250SX | June 4, 1977 |
| 15 | Terry Clark | New Orleans | 250SX | June 4, 1977 |
| 17 | Gary Semics | New Orleans | 250SX | June 4, 1977 |
| 4 | Jim Weinert | High Point Raceway | 250MX | May 29, 1977 |
| 12 | Gary Semics | High Point Raceway | 250MX | May 29, 1977 |
| 24 | Jeff Prevost | High Point Raceway | 250MX | May 29, 1977 |
| 4 | Jim Weinert | RedBud Track 'n Trail | 250MX | May 22, 1977 |
| 10 | Gary Semics | RedBud Track 'n Trail | 250MX | May 22, 1977 |
| 2 | Jim Weinert | Lake Sugar Tree MX Park | 250MX | May 15, 1977 |
| 5 | Gary Semics | Lake Sugar Tree MX Park | 250MX | May 15, 1977 |
| 18 | Terry Clark | Lake Sugar Tree MX Park | 250MX | May 15, 1977 |
| 12 | Gary Semics | Moto-X 338 | 250MX | May 1, 1977 |
| 17 | Terry Clark | Moto-X 338 | 250MX | May 1, 1977 |
| 9 | Gary Semics | Omaha Moto Park | 250MX | April 24, 1977 |
| 18 | Gary Semics | Hillside Park | 250MX | April 17, 1977 |
| 7 | Gary Semics | Hangtown Motocross Classic | 250MX | April 10, 1977 |
| 18 | Terry Clark | Hangtown Motocross Classic | 250MX | April 10, 1977 |
| 15 | Terry Clark | Pontiac 2 | 250SX | April 3, 1977 |
| 17 | Gary Semics | Pontiac 2 | 250SX | April 3, 1977 |
| 15 | Terry Clark | Pontiac 1 | 250SX | April 2, 1977 |
| 11 | Jim Weinert | Irving | 250SX | March 26, 1977 |
| 14 | Terry Clark | Irving | 250SX | March 26, 1977 |
| 6 | Jim Weinert | Houston 2 | 250SX | March 19, 1977 |
| 9 | Terry Clark | Houston 2 | 250SX | March 19, 1977 |
| 18 | Jim Weinert | Houston 1 | 250SX | March 18, 1977 |
| 5 | Terry Clark | Daytona | 250SX | March 12, 1977 |
| 12 | Gary Semics | Daytona | 250SX | March 12, 1977 |