| 17 | Washougal Motocross | 500MX 500MX | August 28, 1988 | Yamaha |
| 16 | Kenworthy's Motocross Park | 500MX 500MX | July 31, 1988 | Yamaha |
| 14 | Steel City Raceway | 500MX 500MX | July 17, 1988 | Yamaha |
| 18 | Broome-Tioga Sports Center | 500MX 500MX | July 10, 1988 | Yamaha |
| 9 | RedBud Track 'n Trail | 500MX 500MX | July 3, 1988 | Yamaha |
| 20 | Los Angeles | 250SX 450SX | June 18, 1988 | Yamaha |
| 19 | East Rutherford | 250SX 450SX | May 14, 1988 | Yamaha |
| 13 | Lake Sugar Tree MX Park | 250MX 450 | May 1, 1988 | Yamaha |
| 12 | Gatorback Cycle Park | 250MX 450 | February 28, 1988 | Yamaha |
| 16 | Seattle 2 | 250SX 450SX | February 14, 1988 | Yamaha |
| 10 | Seattle 1 | 250SX 450SX | February 13, 1988 | Yamaha |
| 13 | Houston | 250SX 450SX | February 6, 1988 | Yamaha |
| 9 | Kenworthy's Motocross Park | 500MX 500MX | August 9, 1987 | Yamaha |
| 19 | Lake Sugar Tree MX Park | 500MX 500MX | July 12, 1987 | Yamaha |
| 21 | RedBud Track 'n Trail | 500MX 500MX | July 5, 1987 | Yamaha |
| 6 | Good Times MX Park | 500MX 500MX | June 21, 1987 | Yamaha |
| 6 | Lakewood Sportcycle Park | 250MX 450 | June 14, 1987 | Yamaha |
| 24 | Hangtown Motocross Classic | 250MX 450 | March 22, 1987 | Yamaha |
| 10 | Gatorback Cycle Park | 250MX 450 | March 1, 1987 | Yamaha |
| 14 | Miami | 250SX 450SX | February 21, 1987 | Yamaha |
| 19 | Anaheim | 250SX 450SX | January 31, 1987 | Yamaha |
| 18 | Washougal Motocross | 500MX 500MX | August 24, 1986 | Yamaha |
| 8 | Hollister Hills | 500MX 500MX | August 17, 1986 | Yamaha |
| 15 | Lake Sugar Tree MX Park | 500MX 500MX | July 13, 1986 | Yamaha |
| 13 | RedBud Track 'n Trail | 500MX 500MX | July 6, 1986 | Yamaha |
| 19 | Los Angeles | 250SX 450SX | June 7, 1986 | Yamaha |
| 13 | Lakewood Sports Center | 250MX 450 | June 1, 1986 | Yamaha |
| 9 | High Point Raceway | 250MX 450 | May 25, 1986 | Yamaha |
| 16 | Moto-X 338 | 250MX 450 | May 18, 1986 | Yamaha |
| 19 | Irving | 250SX 450SX | April 26, 1986 | Yamaha |
| 9 | Hangtown Motocross Classic | 250MX 450 | April 6, 1986 | Yamaha |
| 17 | Gatorback Cycle Park | 250MX 450 | March 2, 1986 | Yamaha |
| 8 | Washougal Motocross | 125MX 250 | August 25, 1985 | Kawasaki |
| 4 | Pasadena | 125WSX 250SX West | August 17, 1985 | Kawasaki |
| 9 | Spring Creek Motocross | 125MX 250 | August 11, 1985 | Kawasaki |
| 24 | Broome-Tioga Sports Center | 125MX 250 | July 27, 1985 | Kawasaki |
| 16 | RedBud Track 'n Trail | 125MX 250 | July 7, 1985 | Kawasaki |
| 6 | High Point Raceway | 125MX 250 | May 26, 1985 | Kawasaki |
| 8 | Las Vegas Motocross Park | 125MX 250 | May 19, 1985 | Kawasaki |
| 19 | Los Angeles | 125WSX 250SX West | May 11, 1985 | Kawasaki |
| 12 | Irving | 125E/WSX 250SX Showdown | May 4, 1985 | Kawasaki |
| 7 | Houston | 125E/WSX 250SX Showdown | April 20, 1985 | Kawasaki |
| 14 | Hangtown Motocross Classic | 125MX 250 | March 31, 1985 | Kawasaki |
| 5 | Gatorback Cycle Park | 125MX 250 | March 3, 1985 | Kawasaki |
| 3 | Seattle 2 | 125WSX 250SX West | February 9, 1985 | Kawasaki |
| 2 | Seattle 1 | 125WSX 250SX West | February 8, 1985 | Kawasaki |
| 3 | Anaheim | 125WSX 250SX West | February 2, 1985 | Kawasaki |
| 17 | San Diego | 125WSX 250SX West | January 26, 1985 | Kawasaki |