| 9 | Moto-X 338 | 250MX 450 | May 21, 1989 | Suzuki |
| 8 | Moto-X 338 | 250MX 450 | May 22, 1988 | Suzuki |
| 19 | Lakewood Sportcycle Park | 250MX 450 | June 14, 1987 | Suzuki |
| 8 | Secession MX Park | 250MX 450 | May 31, 1987 | Suzuki |
| 9 | High Point Raceway | 250MX 450 | May 24, 1987 | Suzuki |
| 2 | Moto-X 338 | 250MX 450 | May 17, 1987 | Suzuki |
| 4 | Seattle 2 | 250SX 450SX | March 29, 1987 | Suzuki |
| 9 | Seattle 1 | 250SX 450SX | March 28, 1987 | Suzuki |
| 16 | Hangtown Motocross Classic | 250MX 450 | March 22, 1987 | Suzuki |
| 5 | Gatorback Cycle Park | 250MX 450 | March 1, 1987 | Suzuki |
| 9 | Lakewood Sports Center | 250MX 450 | June 1, 1986 | Suzuki |
| 14 | High Point Raceway | 250MX 450 | May 25, 1986 | Suzuki |
| 11 | Moto-X 338 | 250MX 450 | May 18, 1986 | Suzuki |
| 8 | Washougal Motocross | 250MX 450 | August 25, 1985 | Honda |
| 1 | Spring Creek Motocross | 250MX 450 | August 11, 1985 | Honda |
| 4 | Broome-Tioga Sports Center | 250MX 450 | July 27, 1985 | Honda |
| 6 | RedBud Track 'n Trail | 250MX 450 | July 7, 1985 | Honda |
| 4 | Lakewood Sports Cycle Center | 250MX 450 | June 16, 1985 | Honda |
| 3 | Six Flags | 250MX 450 | June 2, 1985 | Honda |
| 4 | High Point Raceway | 250MX 450 | May 26, 1985 | Honda |
| 3 | Las Vegas Motocross Park | 250MX 450 | May 19, 1985 | Honda |
| 17 | Los Angeles | 250SX 450SX | May 11, 1985 | Honda |
| 7 | Irving | 250SX 450SX | May 4, 1985 | Honda |
| 5 | Orlando | 250SX 450SX | April 27, 1985 | Honda |
| 6 | Hangtown Motocross Classic | 250MX 450 | March 31, 1985 | Honda |
| 1 | Daytona | 250SX 450SX | March 9, 1985 | Honda |
| 2 | Gatorback Cycle Park | 250MX 450 | March 3, 1985 | Honda |
| 8 | Atlanta | 250SX 450SX | February 23, 1985 | Honda |
| 4 | Seattle 2 | 250SX 450SX | February 9, 1985 | Honda |
| 6 | Seattle 1 | 250SX 450SX | February 8, 1985 | Honda |
| 20 | Anaheim | 250SX 450SX | February 2, 1985 | Honda |
| 3 | Sacramento | 250SX 450SX | September 29, 1984 | Honda |
| 8 | Washougal Motocross | 250MX 450 | August 19, 1984 | Honda |
| 7 | Lakewood Sports Cycle Center | 250MX 450 | August 12, 1984 | Honda |
| 2 | Spring Creek Motocross | 250MX 450 | August 5, 1984 | Honda |
| 6 | Foxborough | 250SX 450SX | July 28, 1984 | Honda |
| 7 | Broome-Tioga Sports Center | 250MX 450 | July 22, 1984 | Honda |
| 11 | Buffalo | 250SX 450SX | July 14, 1984 | Honda |
| 4 | Pontiac 2 | 250SX 450SX | April 29, 1984 | Honda |
| 1 | Pontiac 1 | 250SX 450SX | April 28, 1984 | Honda |
| 7 | Irving | 250SX 450SX | April 14, 1984 | Honda |
| 14 | Hangtown Motocross Classic | 250MX 450 | April 8, 1984 | Honda |
| 1 | Gatorback Cycle Park | 250MX 450 | March 4, 1984 | Honda |
| 7 | Atlanta | 250SX 450SX | February 25, 1984 | Honda |
| 12 | Seattle 2 | 250SX 450SX | February 12, 1984 | Honda |
| 3 | Seattle 1 | 250SX 450SX | February 11, 1984 | Honda |
| 9 | Anaheim | 250SX 450SX | January 28, 1984 | Honda |
| 1 | Spring Creek Motocross | 250MX 450 | August 28, 1983 | Honda |
| 19 | Lakewood Sports Cycle Center | 250MX 450 | August 21, 1983 | Honda |
| 8 | Washougal Motocross | 250MX 450 | August 14, 1983 | Honda |
| 11 | RedBud Track 'n Trail | 250MX 450 | July 3, 1983 | Honda |
| 8 | Lake Whitney Cycle Ranch | 250MX 450 | June 19, 1983 | Honda |
| 1 | Broome-Tioga Sports Center | 250MX 450 | June 5, 1983 | Honda |
| 1 | High Point Raceway | 250MX 450 | May 29, 1983 | Honda |
| 1 | St Louis International Raceway | 250MX 450 | May 22, 1983 | Honda |
| 2 | Washington | 250SX 450SX | May 14, 1983 | Honda |
| 8 | Kansas City | 250SX 450SX | May 7, 1983 | Honda |
| 4 | Pontiac 2 | 250SX 450SX | May 1, 1983 | Honda |
| 1 | Pontiac 1 | 250SX 450SX | April 30, 1983 | Honda |
| 2 | Irving | 250SX 450SX | April 16, 1983 | Honda |
| 1 | Saddleback Park | 250MX 450 | April 10, 1983 | Honda |
| 1 | Hangtown Motocross Classic | 250MX 450 | March 27, 1983 | Honda |
| 9 | Houston 2 | 250SX 450SX | March 20, 1983 | Honda |
| 1 | Houston 1 | 250SX 450SX | March 19, 1983 | Honda |
| 1 | Daytona | 250SX 450SX | March 12, 1983 | Honda |
| 2 | Atlanta | 250SX 450SX | March 5, 1983 | Honda |
| 1 | Seattle 2 | 250SX 450SX | February 13, 1983 | Honda |
| 1 | Seattle 1 | 250SX 450SX | February 12, 1983 | Honda |
| 4 | Anaheim | 250SX 450SX | January 29, 1983 | Honda |
| 2 | Washougal Motocross | 125MX 250 | August 8, 1982 | Yamaha |
| 4 | RedBud Track 'n Trail | 125MX 250 | July 4, 1982 | Yamaha |
| 6 | Broome-Tioga Sports Center | 125MX 250 | June 27, 1982 | Yamaha |
| 4 | Lake Whitney Cycle Ranch | 125MX 250 | April 18, 1982 | Yamaha |
| 3 | Saddleback Park | 125MX 250 | April 4, 1982 | Yamaha |
| 10 | Hangtown Motocross Classic | 125MX 250 | March 28, 1982 | Yamaha |
| 7 | Houston 2 | 250SX 450SX | March 20, 1982 | Yamaha |
| 5 | Houston 1 | 250SX 450SX | March 19, 1982 | Yamaha |
| 5 | Daytona | 250SX 450SX | March 6, 1982 | Yamaha |
| 1 | Atlanta | 250SX 450SX | February 27, 1982 | Yamaha |
| 4 | Seattle 2 | 250SX 450SX | February 14, 1982 | Yamaha |
| 4 | Seattle 1 | 250SX 450SX | February 13, 1982 | Yamaha |
| 5 | Anaheim | 250SX 450SX | January 30, 1982 | Yamaha |
| 5 | Los Angeles | 250SX 450SX | July 11, 1981 | Yamaha |
| 1 | CDR Tech Track | 250MX 450 | June 14, 1981 | Yamaha |
| 1 | Sunshine Speedway | 250MX 450 | June 7, 1981 | Yamaha |
| 6 | High Point Raceway | 250MX 450 | May 24, 1981 | Yamaha |
| 2 | Moto-X 338 | 250MX 450 | May 17, 1981 | Yamaha |
| 2 | Road Atlanta | 250MX 450 | May 10, 1981 | Yamaha |
| 6 | Kansas City | 250SX 450SX | May 2, 1981 | Yamaha |
| 5 | Pontiac 2 | 250SX 450SX | April 26, 1981 | Yamaha |
| 1 | Pontiac 1 | 250SX 450SX | April 25, 1981 | Yamaha |
| 2 | Lake Whitney Cycle Ranch | 250MX 450 | April 12, 1981 | Yamaha |
| 1 | Saddleback Park | 250MX 450 | April 5, 1981 | Yamaha |
| 2 | Hangtown Motocross Classic | 250MX 450 | March 29, 1981 | Yamaha |
| 5 | Houston 2 | 250SX 450SX | March 14, 1981 | Yamaha |
| 6 | Houston 1 | 250SX 450SX | March 13, 1981 | Yamaha |
| 17 | Daytona | 250SX 450SX | March 7, 1981 | Yamaha |
| 5 | Atlanta | 250SX 450SX | February 28, 1981 | Yamaha |
| 7 | Seattle 2 | 250SX 450SX | February 15, 1981 | Yamaha |
| 12 | Seattle 1 | 250SX 450SX | February 14, 1981 | Yamaha |
| 6 | Anaheim | 250SX 450SX | January 31, 1981 | Yamaha |
| 2 | High Point Raceway | 250MX 450 | July 8, 1979 | Yamaha |
| 2 | RedBud Track 'n Trail | 250MX 450 | July 1, 1979 | Yamaha |
| 1 | Lakewood Sports Cycle Park | 250MX 450 | June 24, 1979 | Yamaha |
| 2 | Sears Point International Raceway | 250MX 450 | June 17, 1979 | Yamaha |
| 6 | New Orleans | 250SX 450SX | June 2, 1979 | Yamaha |
| 1 | Atlanta International Raceway | 250MX 450 | May 27, 1979 | Yamaha |
| 10 | Moto-X 338 | 250MX 450 | May 20, 1979 | Yamaha |
| 1 | Pontiac 2 | 250SX 450SX | April 29, 1979 | Yamaha |
| 1 | Pontiac 1 | 250SX 450SX | April 28, 1979 | Yamaha |
| 1 | Omaha Moto Park | 250MX 450 | April 22, 1979 | Yamaha |
| 1 | Canyon Raceway | 250MX 450 | April 8, 1979 | Yamaha |
| 1 | Racing World | 250MX 450 | April 1, 1979 | Yamaha |
| 1 | Hangtown Motocross Classic | 250MX 450 | March 25, 1979 | Yamaha |
| 1 | Houston 2 | 250SX 450SX | March 17, 1979 | Yamaha |
| 1 | Houston 1 | 250SX 450SX | March 16, 1979 | Yamaha |
| 2 | Daytona | 250SX 450SX | March 10, 1979 | Yamaha |
| 1 | Atlanta | 250SX 450SX | March 3, 1979 | Yamaha |
| 1 | Seattle 2 | 250SX 450SX | February 10, 1979 | Yamaha |
| 4 | Seattle 1 | 250SX 450SX | February 9, 1979 | Yamaha |
| 2 | Oakland | 250SX 450SX | January 18, 1979 | Yamaha |
| 2 | Anaheim | 250SX 450SX | November 11, 1978 | Yamaha |
| 8 | RedBud Track 'n Trail | 250MX 450 | July 2, 1978 | Yamaha |
| 2 | Los Angeles | 250SX 450SX | June 24, 1978 | Yamaha |
| 1 | Cycle World USA | 250MX 450 | June 18, 1978 | Yamaha |
| 1 | Sears Point International Raceway | 250MX 450 | June 11, 1978 | Yamaha |
| 1 | Lake Whitney Cycle Ranch | 250MX 450 | May 28, 1978 | Yamaha |
| 1 | New Orleans | 250SX 450SX | May 20, 1978 | Yamaha |
| 1 | Pittsburgh | 250SX 450SX | May 13, 1978 | Yamaha |
| 1 | Moto-X 338 | 250MX 450 | May 7, 1978 | Yamaha |
| 1 | Omaha Moto Park | 250MX 450 | April 30, 1978 | Yamaha |
| 1 | Rio Bravo MX Park | 250MX 450 | April 23, 1978 | Yamaha |
| 1 | Racing World | 250MX 450 | April 16, 1978 | Yamaha |
| 1 | Hangtown Motocross Classic | 250MX 450 | April 9, 1978 | Yamaha |
| 1 | Pontiac 2 | 250SX 450SX | April 2, 1978 | Yamaha |
| 1 | Pontiac 1 | 250SX 450SX | April 1, 1978 | Yamaha |
| 1 | Houston 2 | 250SX 450SX | March 18, 1978 | Yamaha |
| 1 | Houston 1 | 250SX 450SX | March 17, 1978 | Yamaha |
| 4 | Daytona | 250SX 450SX | March 11, 1978 | Yamaha |
| 12 | Atlanta | 250SX 450SX | March 4, 1978 | Yamaha |
| 3 | Seattle | 250SX 450SX | February 18, 1978 | Yamaha |
| 1 | Anaheim | 250SX 450SX | November 12, 1977 | Yamaha |
| 14 | Sunshine Speedway | 500MX 500MX | August 28, 1977 | Yamaha |
| 1 | Majters City Raceway | 500MX 500MX | August 21, 1977 | Yamaha |
| 2 | Cycle-Rama | 125MX 250 | August 14, 1977 | Yamaha |
| 1 | Metrolina Speedway Park | 500MX 500MX | August 7, 1977 | Yamaha |
| 7 | Unadilla Motocross | 500MX 500MX | July 31, 1977 | Yamaha |
| 6 | Cycle World USA | 500MX 500MX | July 23, 1977 | Yamaha |
| 4 | Lake Whitney Cycle Ranch | 500MX 500MX | July 17, 1977 | Yamaha |
| 7 | Los Angeles | 250SX 450SX | July 9, 1977 | Yamaha |
| 1 | Agency Motocross | 125MX 250 | July 3, 1977 | Yamaha |
| 4 | Rio Bravo MX Park | 125MX 250 | June 26, 1977 | Yamaha |
| 1 | Midland Motocross Park | 125MX 250 | June 19, 1977 | Yamaha |
| 1 | Sandy Oaks Raceway | 125MX 250 | June 12, 1977 | Yamaha |
| 2 | New Orleans | 250SX 450SX | June 4, 1977 | Yamaha |
| 17 | High Point Raceway | 250MX 450 | May 29, 1977 | Yamaha |
| 7 | RedBud Track 'n Trail | 250MX 450 | May 22, 1977 | Yamaha |
| 8 | Lake Sugar Tree MX Park | 250MX 450 | May 15, 1977 | Yamaha |
| 1 | Omaha Moto Park | 250MX 450 | April 24, 1977 | Yamaha |
| 3 | Hillside Park | 250MX 450 | April 17, 1977 | Yamaha |
| 24 | Hangtown Motocross Classic | 125MX 250 | April 10, 1977 | Yamaha |
| 1 | Pontiac 2 | 250SX 450SX | April 3, 1977 | Yamaha |
| 1 | Pontiac 1 | 250SX 450SX | April 2, 1977 | Yamaha |
| 1 | Irving | 250SX 450SX | March 26, 1977 | Yamaha |
| 10 | Houston 2 | 250SX 450SX | March 19, 1977 | Yamaha |
| 3 | Houston 1 | 250SX 450SX | March 18, 1977 | Yamaha |
| 1 | Daytona | 250SX 450SX | March 12, 1977 | Yamaha |
| 1 | Atlanta | 250SX 450SX | March 5, 1977 | Yamaha |
| 2 | Motocross West | 125MX 250 | August 29, 1976 | Yamaha |
| 4 | Rio Bravo MX Park | 125MX 250 | August 22, 1976 | Yamaha |
| 1 | Cycle-Rama | 125MX 250 | August 15, 1976 | Yamaha |
| 1 | Delta Motorsport Park | 125MX 250 | August 1, 1976 | Yamaha |
| 9 | Cycle World USA | 500MX 500MX | July 18, 1976 | Yamaha |
| 8 | Appalachian Highlands Motorsport Park | 125MX 250 | July 4, 1976 | Yamaha |
| 1 | Midland Motocross Park | 125MX 250 | June 20, 1976 | Yamaha |
| 7 | Lake Sugar Tree MX Park | 500MX 500MX | June 13, 1976 | Yamaha |
| 5 | Moto-X 338 | 250MX 450 | June 6, 1976 | Yamaha |
| 2 | Moto-Masters Park | 500MX 500MX | May 30, 1976 | Yamaha |
| 1 | RedBud Track 'n Trail | 125MX 250 | May 23, 1976 | Yamaha |
| 1 | Appalachian Highlands Motorsport Park | 250MX 450 | May 16, 1976 | Yamaha |
| 6 | Towaligo River Park | 250MX 450 | May 2, 1976 | Yamaha |
| 3 | Rio Bravo MX Park | 250MX 450 | April 25, 1976 | Yamaha |
| 7 | Fastrack Motocross Park | 250MX 450 | April 11, 1976 | Yamaha |
| 1 | Hangtown Motocross Classic | 125MX 250 | April 4, 1976 | Yamaha |
| 5 | Irving | 250SX 450SX | March 19, 1976 | Yamaha |
| 5 | Houston | 250SX 450SX | March 12, 1976 | Yamaha |
| 10 | Daytona | 250SX 450SX | March 6, 1976 | Yamaha |
| 6 | Cycle-Rama | 125MX 250 | August 24, 1975 | Yamaha |