| 14 | Sunshine Speedway | 500MX 500MX | August 31, 1980 | Maico |
| 12 | Broome-Tioga Sports Center | 500MX 500MX | August 24, 1980 | Maico |
| 7 | Washougal Motocross | 500MX 500MX | July 6, 1980 | Maico |
| 13 | Sears Point International Raceway | 500MX 500MX | June 29, 1980 | Maico |
| 14 | Lakewood Sports Cycle Park | 500MX 500MX | June 15, 1980 | Maico |
| 10 | Atlanta International Raceway | 500MX 500MX | June 8, 1980 | Maico |
| 1 | RedBud Track 'n Trail | 500MX 500MX | June 1, 1980 | Maico |
| 3 | High Point Raceway | 500MX 500MX | May 25, 1980 | Maico |
| 14 | Sunshine Speedway | 500MX 500MX | August 26, 1979 | Maico |
| 13 | Metrolina Speedway Park | 500MX 500MX | August 19, 1979 | Maico |
| 7 | Broome-Tioga Sports Center | 500MX 500MX | August 12, 1979 | Maico |
| 14 | High Point Raceway | 500MX 500MX | July 8, 1979 | Maico |
| 15 | Lakewood Sports Cycle Park | 500MX 500MX | June 24, 1979 | Maico |
| 10 | Sears Point International Raceway | 500MX 500MX | June 17, 1979 | Maico |
| 4 | Atlanta International Raceway | 500MX 500MX | May 27, 1979 | Maico |
| 7 | Moto-X 338 | 500MX 500MX | May 20, 1979 | Maico |
| 11 | Atlanta | 250SX 450SX | March 3, 1979 | Maico |
| 6 | Metrolina Speedway Park | 500MX 500MX | August 20, 1978 | Maico |
| 17 | Agency Motocross | 500MX 500MX | August 13, 1978 | Maico |
| 18 | Pine Top Motorcycle Park | 500MX 500MX | August 6, 1978 | Maico |
| 10 | Atlanta International Raceway | 500MX 500MX | July 16, 1978 | Maico |
| 9 | High Point Raceway | 500MX 500MX | July 9, 1978 | Maico |
| 4 | RedBud Track 'n Trail | 500MX 500MX | July 2, 1978 | Maico |
| 7 | Cycle World USA | 500MX 500MX | June 18, 1978 | Maico |
| 12 | Lake Whitney Cycle Ranch | 500MX 500MX | May 28, 1978 | Maico |
| 17 | Pittsburgh | 250SX 450SX | May 13, 1978 | Maico |
| 20 | Sunshine Speedway | 500MX 500MX | August 28, 1977 | Maico |
| 19 | Majters City Raceway | 500MX 500MX | August 21, 1977 | Maico |
| 19 | Metrolina Speedway Park | 500MX 500MX | August 7, 1977 | Maico |
| 18 | Unadilla Motocross | 500MX 500MX | July 31, 1977 | Maico |
| 12 | Cycle World USA | 500MX 500MX | July 23, 1977 | Maico |
| 19 | High Point Raceway | 250MX 450 | May 29, 1977 | Maico |
| 20 | RedBud Track 'n Trail | 250MX 450 | May 22, 1977 | Maico |
| 26 | Lake Sugar Tree MX Park | 250MX 450 | May 15, 1977 | Maico |
| 21 | Delta Motorsport Park | 125MX 250 | August 1, 1976 | Suzuki |
| 13 | Appalachia Lake Park | 125MX 250 | August 3, 1975 | Yamaha |