| 7 | Washougal Motocross | 500MX 500MX | August 14, 1983 | Yamaha |
| 20 | Washougal Motocross | 500MX 500MX | August 8, 1982 | Yamaha |
| 3 | High Point Raceway | 250MX 450 | May 24, 1981 | Yamaha |
| 7 | Road Atlanta | 250MX 450 | May 10, 1981 | Yamaha |
| 7 | Pontiac 1 | 250SX 450SX | April 25, 1981 | Yamaha |
| 12 | Lake Whitney Cycle Ranch | 250MX 450 | April 12, 1981 | Yamaha |
| 7 | Saddleback Park | 250MX 450 | April 5, 1981 | Yamaha |
| 10 | Hangtown Motocross Classic | 250MX 450 | March 29, 1981 | Yamaha |
| 13 | Houston 2 | 250SX 450SX | March 14, 1981 | Yamaha |
| 17 | Houston 1 | 250SX 450SX | March 13, 1981 | Yamaha |
| 17 | Atlanta | 250SX 450SX | February 28, 1981 | Yamaha |
| 11 | Seattle 2 | 250SX 450SX | February 15, 1981 | Yamaha |
| 13 | Seattle 1 | 250SX 450SX | February 14, 1981 | Yamaha |
| 18 | Anaheim | 250SX 450SX | January 31, 1981 | Yamaha |
| 8 | Sunshine Speedway | 500MX 500MX | August 31, 1980 | Yamaha |
| 7 | Broome-Tioga Sports Center | 500MX 500MX | August 24, 1980 | Yamaha |
| 12 | Washougal Motocross | 500MX 500MX | July 6, 1980 | Yamaha |
| 4 | Sears Point International Raceway | 500MX 500MX | June 29, 1980 | Yamaha |
| 2 | Lakewood Sports Cycle Park | 500MX 500MX | June 15, 1980 | Yamaha |
| 2 | Atlanta International Raceway | 500MX 500MX | June 8, 1980 | Yamaha |
| 7 | RedBud Track 'n Trail | 500MX 500MX | June 1, 1980 | Yamaha |
| 15 | High Point Raceway | 500MX 500MX | May 25, 1980 | Yamaha |
| 13 | New Orleans 2 | 250SX 450SX | May 4, 1980 | Yamaha |
| 5 | Pontiac 1 | 250SX 450SX | April 26, 1980 | Yamaha |
| 10 | Houston 2 | 250SX 450SX | March 15, 1980 | Yamaha |
| 19 | Houston 1 | 250SX 450SX | March 14, 1980 | Yamaha |
| 16 | Atlanta | 250SX 450SX | March 1, 1980 | Yamaha |
| 19 | Seattle 2 | 250SX 450SX | February 10, 1980 | Yamaha |
| 15 | Los Angeles | 250SX 450SX | July 14, 1979 | Yamaha |
| 8 | High Point Raceway | 500MX 500MX | July 8, 1979 | Yamaha |
| 2 | RedBud Track 'n Trail | 500MX 500MX | July 1, 1979 | Yamaha |
| 8 | Lakewood Sports Cycle Park | 500MX 500MX | June 24, 1979 | Yamaha |
| 13 | Sears Point International Raceway | 500MX 500MX | June 17, 1979 | Yamaha |
| 15 | Atlanta International Raceway | 500MX 500MX | May 27, 1979 | Yamaha |
| 6 | Moto-X 338 | 500MX 500MX | May 20, 1979 | Yamaha |
| 20 | Pontiac 2 | 250SX 450SX | April 29, 1979 | Yamaha |
| 10 | Pontiac 1 | 250SX 450SX | April 28, 1979 | Yamaha |
| 12 | Houston 2 | 250SX 450SX | March 17, 1979 | Yamaha |
| 11 | Houston 1 | 250SX 450SX | March 16, 1979 | Yamaha |
| 8 | Daytona | 250SX 450SX | March 10, 1979 | Yamaha |
| 3 | Atlanta | 250SX 450SX | March 3, 1979 | Yamaha |
| 17 | Seattle 2 | 250SX 450SX | February 10, 1979 | Yamaha |
| 13 | Oakland | 250SX 450SX | January 18, 1979 | Yamaha |
| 1 | Sunshine Speedway | 500MX 500MX | August 27, 1978 | Yamaha |
| 1 | Metrolina Speedway Park | 500MX 500MX | August 20, 1978 | Yamaha |
| 3 | Agency Motocross | 500MX 500MX | August 13, 1978 | Yamaha |
| 1 | Pine Top Motorcycle Park | 500MX 500MX | August 6, 1978 | Yamaha |
| 1 | Atlanta International Raceway | 500MX 500MX | July 16, 1978 | Yamaha |
| 1 | High Point Raceway | 500MX 500MX | July 9, 1978 | Yamaha |
| 1 | RedBud Track 'n Trail | 500MX 500MX | July 2, 1978 | Yamaha |
| 8 | Los Angeles | 250SX 450SX | June 24, 1978 | Yamaha |
| 10 | Cycle World USA | 500MX 500MX | June 18, 1978 | Yamaha |
| 5 | Sears Point International Raceway | 500MX 500MX | June 11, 1978 | Yamaha |
| 3 | Lake Whitney Cycle Ranch | 500MX 500MX | May 28, 1978 | Yamaha |
| 13 | New Orleans | 250SX 450SX | May 20, 1978 | Yamaha |
| 10 | Pittsburgh | 250SX 450SX | May 13, 1978 | Yamaha |
| 15 | Pontiac 2 | 250SX 450SX | April 2, 1978 | Yamaha |
| 11 | Pontiac 1 | 250SX 450SX | April 1, 1978 | Yamaha |
| 6 | Houston 2 | 250SX 450SX | March 18, 1978 | Yamaha |
| 19 | Houston 1 | 250SX 450SX | March 17, 1978 | Yamaha |
| 19 | Daytona | 250SX 450SX | March 11, 1978 | Yamaha |
| 18 | Atlanta | 250SX 450SX | March 4, 1978 | Yamaha |
| 15 | Seattle | 250SX 450SX | February 18, 1978 | Yamaha |
| 10 | Cycle-Rama | 125MX 250 | August 14, 1977 | Yamaha |
| 14 | Metrolina Speedway Park | 500MX 500MX | August 7, 1977 | Yamaha |
| 8 | Unadilla Motocross | 500MX 500MX | July 31, 1977 | Yamaha |
| 9 | Cycle World USA | 500MX 500MX | July 23, 1977 | Yamaha |
| 6 | Lake Whitney Cycle Ranch | 500MX 500MX | July 17, 1977 | Yamaha |
| 15 | Los Angeles | 250SX 450SX | July 9, 1977 | Yamaha |
| 16 | New Orleans | 250SX 450SX | June 4, 1977 | Yamaha |
| 18 | High Point Raceway | 250MX 450 | May 29, 1977 | Yamaha |
| 19 | RedBud Track 'n Trail | 250MX 450 | May 22, 1977 | Yamaha |
| 22 | Lake Sugar Tree MX Park | 250MX 450 | May 15, 1977 | Yamaha |
| 5 | Moto-X 338 | 250MX 450 | May 1, 1977 | Yamaha |
| 5 | Omaha Moto Park | 250MX 450 | April 24, 1977 | Yamaha |
| 13 | Hillside Park | 250MX 450 | April 17, 1977 | Yamaha |
| 11 | Hangtown Motocross Classic | 250MX 450 | April 10, 1977 | Yamaha |
| 14 | Pontiac 2 | 250SX 450SX | April 3, 1977 | Yamaha |
| 10 | Pontiac 1 | 250SX 450SX | April 2, 1977 | Yamaha |
| 16 | Irving | 250SX 450SX | March 26, 1977 | Yamaha |
| 4 | Houston 2 | 250SX 450SX | March 19, 1977 | Yamaha |
| 7 | Atlanta | 250SX 450SX | March 5, 1977 | Yamaha |
| 5 | Motocross West | 500MX 500MX | August 29, 1976 | Yamaha |
| 9 | Sunshine Speedway | 500MX 500MX | August 22, 1976 | Yamaha |
| 2 | Castle Point Moto Sport Park | 500MX 500MX | August 15, 1976 | Yamaha |
| 12 | Unadilla Motocross | 500MX 500MX | August 1, 1976 | Yamaha |
| 8 | Cycle World USA | 500MX 500MX | July 18, 1976 | Yamaha |
| 9 | Lake Sugar Tree MX Park | 500MX 500MX | June 13, 1976 | Yamaha |
| 7 | Moto-X 338 | 250MX 450 | June 6, 1976 | Yamaha |
| 11 | Moto-Masters Park | 500MX 500MX | May 30, 1976 | Yamaha |
| 4 | Pennsylvania Motocross Park | 250MX 450 | May 23, 1976 | Yamaha |
| 13 | Appalachian Highlands Motorsport Park | 250MX 450 | May 16, 1976 | Yamaha |
| 13 | Towaligo River Park | 250MX 450 | May 2, 1976 | Yamaha |
| 5 | Rio Bravo MX Park | 250MX 450 | April 25, 1976 | Yamaha |
| 8 | Fastrack Motocross Park | 250MX 450 | April 11, 1976 | Yamaha |
| 4 | Hangtown Motocross Classic | 250MX 450 | April 4, 1976 | Yamaha |
| 8 | Hangtown Motocross Classic | 500MX 500MX | April 8, 1974 | Bultaco |
| 15 | Saddleback Park | 500MX 500MX | December 2, 1973 | Yamaha |
| 13 | Carnegie Cycle Park | 500MX 500MX | November 25, 1973 | Yamaha |
| 10 | Puyallup Raceway Park | 500MX 500MX | November 18, 1973 | Yamaha |