| 8 | San Diego | 250SX 450SX | February 9, 1991 | Honda |
| 10 | Seattle | 250SX 450SX | February 2, 1991 | Honda |
| 10 | Anaheim | 250SX 450SX | January 26, 1991 | Honda |
| 10 | Houston | 250SX 450SX | January 19, 1991 | Honda |
| 20 | Orlando | 250SX 450SX | January 12, 1991 | Honda |
| 1 | Unadilla Motocross | 500MX 500MX | October 14, 1990 | Honda |
| 3 | Budds Creek Motocross | 500MX 500MX | October 7, 1990 | Honda |
| 2 | Steel City Raceway | 500MX 500MX | September 30, 1990 | Honda |
| 11 | Broome-Tioga Sports Center | 500MX 500MX | September 2, 1990 | Honda |
| 3 | Spring Creek Motocross | 500MX 500MX | August 19, 1990 | Honda |
| 5 | Washougal Motocross | 500MX 500MX | August 12, 1990 | Honda |
| 7 | Kenworthy's Motocross Park | 250MX 450 | July 29, 1990 | Honda |
| 12 | Moto-X 338 | 250MX 450 | July 22, 1990 | Honda |
| 8 | Pontiac 2 | 250SX 450SX | April 22, 1990 | Honda |
| 11 | Pontiac 1 | 250SX 450SX | April 21, 1990 | Honda |
| 1 | Gatorback Cycle Park | 250MX 450 | March 4, 1990 | Honda |
| 3 | Atlanta | 250SX 450SX | February 24, 1990 | Honda |
| 4 | Seattle | 250SX 450SX | February 17, 1990 | Honda |
| 8 | San Diego | 250SX 450SX | February 10, 1990 | Honda |
| 15 | Houston | 250SX 450SX | February 3, 1990 | Honda |
| 6 | Anaheim | 250SX 450SX | January 27, 1990 | Honda |
| 4 | Unadilla Motocross | 500MX 500MX | October 15, 1989 | Honda |
| 10 | Budds Creek Motocross | 500MX 500MX | October 8, 1989 | Honda |
| 4 | Steel City Raceway | 500MX 500MX | October 1, 1989 | Honda |
| 3 | Broome-Tioga Sports Center | 500MX 500MX | September 24, 1989 | Honda |
| 4 | Washougal Motocross | 500MX 500MX | August 27, 1989 | Honda |
| 4 | Spring Creek Motocross | 500MX 500MX | August 20, 1989 | Honda |
| 3 | Kenworthy's Motocross Park | 250MX 450 | July 16, 1989 | Honda |
| 3 | RedBud Track 'n Trail | 250MX 450 | July 2, 1989 | Honda |
| 2 | Atlanta | 250SX 450SX | February 25, 1989 | Honda |
| 1 | Miami | 250SX 450SX | February 18, 1989 | Honda |
| 1 | San Diego | 250SX 450SX | February 11, 1989 | Honda |
| 1 | Seattle 2 | 250SX 450SX | February 5, 1989 | Honda |
| 1 | Seattle 1 | 250SX 450SX | February 4, 1989 | Honda |
| 1 | Anaheim | 250SX 450SX | January 28, 1989 | Honda |
| 2 | Washougal Motocross | 500MX 500MX | August 28, 1988 | Honda |
| 1 | Spring Creek Motocross | 500MX 500MX | August 14, 1988 | Honda |
| 4 | Kenworthy's Motocross Park | 500MX 500MX | July 31, 1988 | Honda |
| 1 | Steel City Raceway | 500MX 500MX | July 17, 1988 | Honda |
| 1 | Broome-Tioga Sports Center | 500MX 500MX | July 10, 1988 | Honda |
| 2 | RedBud Track 'n Trail | 500MX 500MX | July 3, 1988 | Honda |
| 5 | Los Angeles | 250SX 450SX | June 18, 1988 | Honda |
| 1 | Good Times MX Park | 250MX 450 | June 5, 1988 | Honda |
| 1 | High Point Raceway | 250MX 450 | May 29, 1988 | Honda |
| 2 | Moto-X 338 | 250MX 450 | May 22, 1988 | Honda |
| 1 | East Rutherford | 250SX 450SX | May 14, 1988 | Honda |
| 9 | Lake Sugar Tree MX Park | 250MX 450 | May 1, 1988 | Honda |
| 1 | Tampa | 250SX 450SX | April 23, 1988 | Honda |
| 1 | Irving | 250SX 450SX | April 16, 1988 | Honda |
| 1 | Pontiac 2 | 250SX 450SX | April 10, 1988 | Honda |
| 1 | Pontiac 1 | 250SX 450SX | April 9, 1988 | Honda |
| 1 | Hangtown Motocross Classic | 250MX 450 | March 27, 1988 | Honda |
| 1 | Daytona | 250SX 450SX | March 5, 1988 | Honda |
| 2 | Gatorback Cycle Park | 250MX 450 | February 28, 1988 | Honda |
| 3 | Seattle 2 | 250SX 450SX | February 14, 1988 | Honda |
| 1 | Seattle 1 | 250SX 450SX | February 13, 1988 | Honda |
| 2 | Houston | 250SX 450SX | February 6, 1988 | Honda |
| 1 | Spring Creek Motocross | 500MX 500MX | August 23, 1987 | Honda |
| 1 | Kenworthy's Motocross Park | 500MX 500MX | August 9, 1987 | Honda |
| 3 | Broome-Tioga Sports Center | 500MX 500MX | August 2, 1987 | Honda |
| 1 | Lake Sugar Tree MX Park | 500MX 500MX | July 12, 1987 | Honda |
| 1 | RedBud Track 'n Trail | 500MX 500MX | July 5, 1987 | Honda |
| 1 | Los Angeles | 250SX 450SX | June 27, 1987 | Honda |
| 1 | Good Times MX Park | 500MX 500MX | June 21, 1987 | Honda |
| 1 | Lakewood Sportcycle Park | 250MX 450 | June 14, 1987 | Honda |
| 1 | East Rutherford | 250SX 450SX | June 7, 1987 | Honda |
| 1 | Secession MX Park | 250MX 450 | May 31, 1987 | Honda |
| 4 | High Point Raceway | 250MX 450 | May 24, 1987 | Honda |
| 1 | Moto-X 338 | 250MX 450 | May 17, 1987 | Honda |
| 2 | Tempe | 250SX 450SX | May 2, 1987 | Honda |
| 3 | Tampa | 250SX 450SX | April 25, 1987 | Honda |
| 1 | Irving | 250SX 450SX | April 4, 1987 | Honda |
| 1 | Seattle 2 | 250SX 450SX | March 29, 1987 | Honda |
| 1 | Seattle 1 | 250SX 450SX | March 28, 1987 | Honda |
| 1 | Hangtown Motocross Classic | 250MX 450 | March 22, 1987 | Honda |
| 10 | Daytona | 250SX 450SX | March 7, 1987 | Honda |
| 1 | Gatorback Cycle Park | 250MX 450 | March 1, 1987 | Honda |
| 1 | Miami | 250SX 450SX | February 21, 1987 | Honda |
| 1 | San Diego | 250SX 450SX | February 14, 1987 | Honda |
| 4 | Houston | 250SX 450SX | February 7, 1987 | Honda |
| 2 | Washougal Motocross | 500MX 500MX | August 24, 1986 | Honda |
| 2 | Hollister Hills | 500MX 500MX | August 17, 1986 | Honda |
| 1 | Spring Creek Motocross | 500MX 500MX | August 10, 1986 | Honda |
| 3 | Broome-Tioga Sports Center | 500MX 500MX | August 3, 1986 | Honda |
| 2 | Lake Sugar Tree MX Park | 500MX 500MX | July 13, 1986 | Honda |
| 1 | RedBud Track 'n Trail | 500MX 500MX | July 6, 1986 | Honda |
| 1 | Los Angeles | 250SX 450SX | June 7, 1986 | Honda |
| 2 | Lakewood Sports Center | 250MX 450 | June 1, 1986 | Honda |
| 1 | High Point Raceway | 250MX 450 | May 25, 1986 | Honda |
| 1 | Moto-X 338 | 250MX 450 | May 18, 1986 | Honda |
| 1 | Tempe | 250SX 450SX | May 10, 1986 | Honda |
| 2 | Irving | 250SX 450SX | April 26, 1986 | Honda |
| 2 | Pontiac 2 | 250SX 450SX | April 13, 1986 | Honda |
| 2 | Pontiac 1 | 250SX 450SX | April 12, 1986 | Honda |
| 1 | Hangtown Motocross Classic | 250MX 450 | April 6, 1986 | Honda |
| 1 | Daytona | 250SX 450SX | March 8, 1986 | Honda |
| 1 | Gatorback Cycle Park | 250MX 450 | March 2, 1986 | Honda |
| 1 | Atlanta | 250SX 450SX | February 22, 1986 | Honda |
| 1 | Seattle 2 | 250SX 450SX | February 16, 1986 | Honda |
| 2 | Seattle 1 | 250SX 450SX | February 15, 1986 | Honda |
| 1 | San Diego | 250SX 450SX | February 8, 1986 | Honda |
| 3 | Houston | 250SX 450SX | February 2, 1986 | Honda |
| 2 | Anaheim | 250SX 450SX | January 18, 1986 | Honda |
| 11 | Pasadena | 250SX 450SX | August 17, 1985 | Yamaha |
| 3 | Spring Creek Motocross | 250MX 450 | August 11, 1985 | Yamaha |
| 3 | Broome-Tioga Sports Center | 250MX 450 | July 27, 1985 | Yamaha |
| 1 | RedBud Track 'n Trail | 250MX 450 | July 7, 1985 | Yamaha |
| 3 | Lakewood Sports Cycle Center | 250MX 450 | June 16, 1985 | Yamaha |
| 4 | Six Flags | 250MX 450 | June 2, 1985 | Yamaha |
| 2 | High Point Raceway | 250MX 450 | May 26, 1985 | Yamaha |
| 1 | Las Vegas Motocross Park | 250MX 450 | May 19, 1985 | Yamaha |
| 4 | Los Angeles | 250SX 450SX | May 11, 1985 | Yamaha |
| 1 | Irving | 250SX 450SX | May 4, 1985 | Yamaha |
| 3 | Orlando | 250SX 450SX | April 27, 1985 | Yamaha |
| 4 | Houston | 250SX 450SX | April 20, 1985 | Yamaha |
| 2 | Hangtown Motocross Classic | 250MX 450 | March 31, 1985 | Yamaha |
| 9 | Daytona | 250SX 450SX | March 9, 1985 | Yamaha |
| 4 | Gatorback Cycle Park | 250MX 450 | March 3, 1985 | Yamaha |
| 9 | Atlanta | 250SX 450SX | February 23, 1985 | Yamaha |
| 7 | Seattle 2 | 250SX 450SX | February 9, 1985 | Yamaha |
| 3 | Seattle 1 | 250SX 450SX | February 8, 1985 | Yamaha |
| 4 | Anaheim | 250SX 450SX | February 2, 1985 | Yamaha |
| 3 | San Diego | 250SX 450SX | January 26, 1985 | Yamaha |
| 3 | Los Angeles | 250SX 450SX | November 3, 1984 | Yamaha |
| 3 | Oakland | 250SX 450SX | October 20, 1984 | Yamaha |
| 5 | Sacramento | 250SX 450SX | September 29, 1984 | Yamaha |
| 1 | Washougal Motocross | 250MX 450 | August 19, 1984 | Yamaha |
| 2 | Lakewood Sports Cycle Center | 250MX 450 | August 12, 1984 | Yamaha |
| 3 | Spring Creek Motocross | 250MX 450 | August 5, 1984 | Yamaha |
| 2 | Foxborough | 250SX 450SX | July 28, 1984 | Yamaha |
| 1 | Broome-Tioga Sports Center | 250MX 450 | July 22, 1984 | Yamaha |
| 4 | Buffalo | 250SX 450SX | July 14, 1984 | Yamaha |
| 1 | RedBud Track 'n Trail | 250MX 450 | July 1, 1984 | Yamaha |
| 8 | Pasadena | 250SX 450SX | June 2, 1984 | Yamaha |
| 1 | High Point Raceway | 250MX 450 | May 27, 1984 | Yamaha |
| 1 | Orlando | 250SX 450SX | May 19, 1984 | Yamaha |
| 3 | Six Flags | 250MX 450 | May 13, 1984 | Yamaha |
| 3 | Pontiac 1 | 250SX 450SX | April 28, 1984 | Yamaha |
| 2 | Irving | 250SX 450SX | April 14, 1984 | Yamaha |
| 2 | Hangtown Motocross Classic | 250MX 450 | April 8, 1984 | Yamaha |
| 4 | Saddleback Park | 250MX 450 | April 1, 1984 | Yamaha |
| 7 | Houston | 250SX 450SX | March 24, 1984 | Yamaha |
| 2 | Daytona | 250SX 450SX | March 10, 1984 | Yamaha |
| 8 | Gatorback Cycle Park | 250MX 450 | March 4, 1984 | Yamaha |
| 4 | Atlanta | 250SX 450SX | February 25, 1984 | Yamaha |
| 1 | Seattle 2 | 250SX 450SX | February 12, 1984 | Yamaha |
| 5 | Seattle 1 | 250SX 450SX | February 11, 1984 | Yamaha |
| 3 | Anaheim | 250SX 450SX | January 28, 1984 | Yamaha |
| 3 | Spring Creek Motocross | 250MX 450 | August 28, 1983 | Yamaha |
| 3 | Lakewood Sports Cycle Center | 250MX 450 | August 21, 1983 | Yamaha |
| 1 | Washougal Motocross | 250MX 450 | August 14, 1983 | Yamaha |
| 17 | Pasadena | 250SX 450SX | August 6, 1983 | Yamaha |
| 11 | St Louis International Raceway | 250MX 450 | May 22, 1983 | Yamaha |
| 6 | Washington | 250SX 450SX | May 14, 1983 | Yamaha |
| 12 | Kansas City | 250SX 450SX | May 7, 1983 | Yamaha |
| 11 | Pontiac 2 | 250SX 450SX | May 1, 1983 | Yamaha |
| 15 | Pontiac 1 | 250SX 450SX | April 30, 1983 | Yamaha |
| 2 | Gatorback Cycle Park | 250MX 450 | April 24, 1983 | Yamaha |
| 10 | Irving | 250SX 450SX | April 16, 1983 | Yamaha |
| 2 | Saddleback Park | 250MX 450 | April 10, 1983 | Yamaha |
| 2 | Hangtown Motocross Classic | 250MX 450 | March 27, 1983 | Yamaha |
| 4 | Houston 2 | 250SX 450SX | March 20, 1983 | Yamaha |
| 16 | Houston 1 | 250SX 450SX | March 19, 1983 | Yamaha |
| 6 | Daytona | 250SX 450SX | March 12, 1983 | Yamaha |
| 17 | Anaheim | 250SX 450SX | January 29, 1983 | Yamaha |
| 2 | San Diego | 250SX 450SX | November 6, 1982 | Yamaha |
| 10 | Los Angeles | 250SX 450SX | July 17, 1982 | Yamaha |
| 9 | CDR Tech Track | 250MX 450 | June 13, 1982 | Yamaha |
| 7 | Road Atlanta | 250MX 450 | June 6, 1982 | Yamaha |
| 1 | High Point Raceway | 250MX 450 | May 30, 1982 | Yamaha |
| 2 | Moto-X 338 | 250MX 450 | May 16, 1982 | Yamaha |
| 9 | Kansas City | 250SX 450SX | May 8, 1982 | Yamaha |
| 5 | Sunshine Speedway | 250MX 450 | May 2, 1982 | Yamaha |
| 4 | Pontiac 2 | 250SX 450SX | April 25, 1982 | Yamaha |
| 6 | Pontiac 1 | 250SX 450SX | April 24, 1982 | Yamaha |
| 5 | Lake Whitney Cycle Ranch | 250MX 450 | April 18, 1982 | Yamaha |
| 2 | Saddleback Park | 250MX 450 | April 4, 1982 | Yamaha |
| 1 | Hangtown Motocross Classic | 250MX 450 | March 28, 1982 | Yamaha |
| 11 | Houston 2 | 250SX 450SX | March 20, 1982 | Yamaha |
| 16 | Houston 1 | 250SX 450SX | March 19, 1982 | Yamaha |
| 22 | Daytona | 250SX 450SX | March 6, 1982 | Yamaha |
| 18 | Seattle 1 | 250SX 450SX | February 13, 1982 | Yamaha |
| 6 | Anaheim | 250SX 450SX | January 30, 1982 | Yamaha |
| 15 | San Diego | 250SX 450SX | November 14, 1981 | Yamaha |
| 2 | Carlsbad Raceway | 125MX 250 | August 16, 1981 | Yamaha |
| 13 | Washougal Motocross | 125MX 250 | August 2, 1981 | Yamaha |
| 15 | RedBud Track 'n Trail | 125MX 250 | July 5, 1981 | Yamaha |
| 17 | Broome-Tioga Sports Center | 125MX 250 | June 28, 1981 | Yamaha |
| 5 | Road Atlanta | 125MX 250 | May 10, 1981 | Yamaha |
| 2 | Lake Whitney Cycle Ranch | 125MX 250 | April 12, 1981 | Yamaha |
| 6 | Saddleback Park | 125MX 250 | April 5, 1981 | Yamaha |
| 5 | Hangtown Motocross Classic | 125MX 250 | March 29, 1981 | Yamaha |
| 17 | Seattle 1 | 250SX 450SX | February 14, 1981 | Yamaha |
| 12 | Anaheim | 250SX 450SX | January 31, 1981 | Yamaha |