| 2 | Mike Kiedrowski | Unadilla Motocross | 125MX | October 14, 1990 |
| 16 | Tony Graves | Unadilla Motocross | 125MX | October 14, 1990 |
| 21 | David Antonucci | Unadilla Motocross | 125MX | October 14, 1990 |
| 1 | Rick Johnson | Unadilla Motocross | 500MX | October 14, 1990 |
| 2 | Jeff Stanton | Unadilla Motocross | 500MX | October 14, 1990 |
| 6 | Dean Matson | Unadilla Motocross | 500MX | October 14, 1990 |
| 8 | Ty Davis | Unadilla Motocross | 500MX | October 14, 1990 |
| 9 | Fred Andrews | Unadilla Motocross | 500MX | October 14, 1990 |
| 12 | Rich Taylor | Unadilla Motocross | 500MX | October 14, 1990 |
| 13 | Brian Carroll | Unadilla Motocross | 500MX | October 14, 1990 |
| 14 | Ray Sommo | Unadilla Motocross | 500MX | October 14, 1990 |
| 16 | Kurt McMillen | Unadilla Motocross | 500MX | October 14, 1990 |
| 18 | Tom Carson | Unadilla Motocross | 500MX | October 14, 1990 |
| 20 | Jeff Glass | Unadilla Motocross | 500MX | October 14, 1990 |
| 23 | David Hand | Unadilla Motocross | 500MX | October 14, 1990 |
| 1 | Mike Kiedrowski | Budds Creek Motocross | 125MX | October 7, 1990 |
| 15 | Tony Graves | Budds Creek Motocross | 125MX | October 7, 1990 |
| 22 | James McIlvaine | Budds Creek Motocross | 125MX | October 7, 1990 |
| 24 | Shane Lawson | Budds Creek Motocross | 125MX | October 7, 1990 |
| 25 | John Winslow | Budds Creek Motocross | 125MX | October 7, 1990 |
| 1 | Jeff Stanton | Budds Creek Motocross | 500MX | October 7, 1990 |
| 3 | Rick Johnson | Budds Creek Motocross | 500MX | October 7, 1990 |
| 6 | Ty Davis | Budds Creek Motocross | 500MX | October 7, 1990 |
| 7 | Fred Andrews | Budds Creek Motocross | 500MX | October 7, 1990 |
| 10 | Kurt McMillen | Budds Creek Motocross | 500MX | October 7, 1990 |
| 11 | Carl Vaillancourt | Budds Creek Motocross | 500MX | October 7, 1990 |
| 14 | Dean Matson | Budds Creek Motocross | 500MX | October 7, 1990 |
| 15 | Jeff Glass | Budds Creek Motocross | 500MX | October 7, 1990 |
| 17 | Mike Roth | Budds Creek Motocross | 500MX | October 7, 1990 |
| 20 | Brian Carroll | Budds Creek Motocross | 500MX | October 7, 1990 |
| 22 | Jason Buttle | Budds Creek Motocross | 500MX | October 7, 1990 |
| 23 | Brian Years | Budds Creek Motocross | 500MX | October 7, 1990 |
| 24 | Rick Pinney | Budds Creek Motocross | 500MX | October 7, 1990 |
| 1 | Mike Kiedrowski | Steel City Raceway | 125MX | September 30, 1990 |
| 18 | Dan Jannette | Steel City Raceway | 125MX | September 30, 1990 |
| 23 | Shane Lawson | Steel City Raceway | 125MX | September 30, 1990 |
| 2 | Rick Johnson | Steel City Raceway | 500MX | September 30, 1990 |
| 5 | Kurt McMillen | Steel City Raceway | 500MX | September 30, 1990 |
| 6 | Fred Andrews | Steel City Raceway | 500MX | September 30, 1990 |
| 8 | Jeff Stanton | Steel City Raceway | 500MX | September 30, 1990 |
| 12 | Jeff Glass | Steel City Raceway | 500MX | September 30, 1990 |
| 13 | Dean Matson | Steel City Raceway | 500MX | September 30, 1990 |
| 17 | Mike Roth | Steel City Raceway | 500MX | September 30, 1990 |
| 18 | Carl Vaillancourt | Steel City Raceway | 500MX | September 30, 1990 |
| 19 | Brian Carroll | Steel City Raceway | 500MX | September 30, 1990 |
| 20 | Ty Davis | Steel City Raceway | 500MX | September 30, 1990 |
| 21 | Matthew Crown | Steel City Raceway | 500MX | September 30, 1990 |
| 22 | Jason Buttle | Steel City Raceway | 500MX | September 30, 1990 |
| 24 | Gary Semics | Steel City Raceway | 500MX | September 30, 1990 |
| 1 | Mike Kiedrowski | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 25 | David Antonucci | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 1 | Jeff Stanton | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 6 | Fred Andrews | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 7 | Ty Davis | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 11 | Rick Johnson | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 12 | Ray Sommo | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 13 | Dean Matson | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 14 | Brian Carroll | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 15 | Kurt McMillen | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 16 | Rich Taylor | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 18 | Jeff Glass | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 20 | Jason Buttle | Broome-Tioga Sports Center | 500MX | September 2, 1990 |
| 3 | Mike Kiedrowski | Spring Creek Motocross | 125MX | August 19, 1990 |
| 1 | Jeff Stanton | Spring Creek Motocross | 500MX | August 19, 1990 |
| 3 | Rick Johnson | Spring Creek Motocross | 500MX | August 19, 1990 |
| 6 | Dean Matson | Spring Creek Motocross | 500MX | August 19, 1990 |
| 7 | Kurt McMillen | Spring Creek Motocross | 500MX | August 19, 1990 |
| 8 | Jimmy Button | Spring Creek Motocross | 500MX | August 19, 1990 |
| 11 | Jason Buttle | Spring Creek Motocross | 500MX | August 19, 1990 |
| 12 | Fred Andrews | Spring Creek Motocross | 500MX | August 19, 1990 |
| 15 | Ty Davis | Spring Creek Motocross | 500MX | August 19, 1990 |
| 16 | Ray Sommo | Spring Creek Motocross | 500MX | August 19, 1990 |
| 17 | James Kapitan | Spring Creek Motocross | 500MX | August 19, 1990 |
| 21 | Jason Upshaw | Spring Creek Motocross | 500MX | August 19, 1990 |
| 25 | Rex Staten | Spring Creek Motocross | 500MX | August 19, 1990 |
| 26 | Greg Randa | Spring Creek Motocross | 500MX | August 19, 1990 |
| 7 | Mike Kiedrowski | Washougal Motocross | 125MX | August 12, 1990 |
| 20 | Brett Devries | Washougal Motocross | 125MX | August 12, 1990 |
| 21 | Randy Moody | Washougal Motocross | 125MX | August 12, 1990 |
| 1 | Jeff Stanton | Washougal Motocross | 500MX | August 12, 1990 |
| 5 | Rick Johnson | Washougal Motocross | 500MX | August 12, 1990 |
| 6 | Ty Davis | Washougal Motocross | 500MX | August 12, 1990 |
| 7 | Jimmy Button | Washougal Motocross | 500MX | August 12, 1990 |
| 8 | Dean Matson | Washougal Motocross | 500MX | August 12, 1990 |
| 13 | Kurt McMillen | Washougal Motocross | 500MX | August 12, 1990 |
| 15 | Ray Sommo | Washougal Motocross | 500MX | August 12, 1990 |
| 16 | Rich Taylor | Washougal Motocross | 500MX | August 12, 1990 |
| 17 | Jason Buttle | Washougal Motocross | 500MX | August 12, 1990 |
| 18 | James Kapitan | Washougal Motocross | 500MX | August 12, 1990 |
| 21 | Mikel Larson | Washougal Motocross | 500MX | August 12, 1990 |
| 24 | Jeff Glass | Washougal Motocross | 500MX | August 12, 1990 |
| 25 | Rex Staten | Washougal Motocross | 500MX | August 12, 1990 |
| 1 | Jean Michel Bayle | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 3 | Mike Kiedrowski | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 9 | Ty Davis | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 24 | James McIlvaine | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 2 | Jeff Stanton | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 7 | Rick Johnson | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 17 | Kurt McMillen | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 19 | David Hand | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 23 | Mike Jones | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 2 | Mike Kiedrowski | Moto-X 338 | 125MX | July 22, 1990 |
| 4 | Jean Michel Bayle | Moto-X 338 | 125MX | July 22, 1990 |
| 15 | Ty Davis | Moto-X 338 | 125MX | July 22, 1990 |
| 17 | Grayson Goodman | Moto-X 338 | 125MX | July 22, 1990 |
| 24 | William Dzielak | Moto-X 338 | 125MX | July 22, 1990 |
| 1 | Jeff Stanton | Moto-X 338 | 250MX | July 22, 1990 |
| 12 | Rick Johnson | Moto-X 338 | 250MX | July 22, 1990 |
| 13 | Jo Jo Keller | Moto-X 338 | 250MX | July 22, 1990 |
| 17 | Kurt McMillen | Moto-X 338 | 250MX | July 22, 1990 |
| 2 | Jean Michel Bayle | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 3 | Mike Kiedrowski | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 14 | Grayson Goodman | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 21 | James McIlvaine | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 23 | Rusty Ott | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 24 | Doug Iddings | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 25 | Mark Kane | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 3 | Jeff Stanton | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 18 | Kurt McMillen | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 23 | David Hand | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 2 | Jean Michel Bayle | Los Angeles | 250SX | June 23, 1990 |
| 3 | Mike Kiedrowski | Los Angeles | 250SX | June 23, 1990 |
| 6 | Jeff Stanton | Los Angeles | 250SX | June 23, 1990 |
| 20 | Erik Kehoe | Los Angeles | 250SX | June 23, 1990 |
| 10 | Ty Davis | Los Angeles | 125WSX | June 23, 1990 |
| 12 | Brett Devries | Los Angeles | 125WSX | June 23, 1990 |
| 13 | Darryl Atkins | Los Angeles | 125WSX | June 23, 1990 |
| 16 | Darrin Hoeft | Los Angeles | 125WSX | June 23, 1990 |
| 18 | Jimmy Button | Los Angeles | 125WSX | June 23, 1990 |
| 1 | Jeff Stanton | San Jose | 250SX | June 16, 1990 |
| 2 | Jean Michel Bayle | San Jose | 250SX | June 16, 1990 |
| 3 | Mike Kiedrowski | San Jose | 250SX | June 16, 1990 |
| 15 | Erik Kehoe | San Jose | 250SX | June 16, 1990 |
| 3 | Jimmy Button | San Jose | 125WSX | June 16, 1990 |
| 4 | Ty Davis | San Jose | 125WSX | June 16, 1990 |
| 17 | Brett Devries | San Jose | 125WSX | June 16, 1990 |
| 19 | Darryl Atkins | San Jose | 125WSX | June 16, 1990 |
| 21 | Darrin Hoeft | San Jose | 125WSX | June 16, 1990 |
| 1 | Jeff Stanton | Oklahoma City | 250SX | June 10, 1990 |
| 2 | Jean Michel Bayle | Oklahoma City | 250SX | June 10, 1990 |
| 3 | Mike Kiedrowski | Oklahoma City | 250SX | June 10, 1990 |
| 13 | Erik Kehoe | Oklahoma City | 250SX | June 10, 1990 |
| 4 | Ty Davis | Oklahoma City | 125WSX | June 10, 1990 |
| 16 | Darryl Atkins | Oklahoma City | 125WSX | June 10, 1990 |
| 19 | Darrin Hoeft | Oklahoma City | 125WSX | June 10, 1990 |
| 20 | Jimmy Button | Oklahoma City | 125WSX | June 10, 1990 |
| 1 | Jean Michel Bayle | Foxborough | 250SX | June 2, 1990 |
| 4 | Jeff Stanton | Foxborough | 250SX | June 2, 1990 |
| 6 | Mike Kiedrowski | Foxborough | 250SX | June 2, 1990 |
| 2 | Mike Jones | Foxborough | 125ESX | June 2, 1990 |
| 7 | Jeff Glass | Foxborough | 125ESX | June 2, 1990 |
| 19 | William Dzielak | Foxborough | 125ESX | June 2, 1990 |
| 21 | Tim Beachak | Foxborough | 125ESX | June 2, 1990 |
| 22 | Brett Salander | Foxborough | 125ESX | June 2, 1990 |
| 1 | Jean Michel Bayle | High Point Raceway | 125MX | May 27, 1990 |
| 5 | Mike Kiedrowski | High Point Raceway | 125MX | May 27, 1990 |
| 13 | Ty Davis | High Point Raceway | 125MX | May 27, 1990 |
| 15 | Erik Kehoe | High Point Raceway | 125MX | May 27, 1990 |
| 18 | Jeff Glass | High Point Raceway | 125MX | May 27, 1990 |
| 3 | Jeff Stanton | High Point Raceway | 250MX | May 27, 1990 |
| 11 | Mike Jones | High Point Raceway | 250MX | May 27, 1990 |
| 16 | Kurt McMillen | High Point Raceway | 250MX | May 27, 1990 |
| 23 | Jason Buttle | High Point Raceway | 250MX | May 27, 1990 |
| 1 | Jean Michel Bayle | East Rutherford | 250SX | May 19, 1990 |
| 5 | Jeff Stanton | East Rutherford | 250SX | May 19, 1990 |
| 8 | Mike Kiedrowski | East Rutherford | 250SX | May 19, 1990 |
| 15 | Erik Kehoe | East Rutherford | 250SX | May 19, 1990 |
| 4 | Mike Jones | East Rutherford | 125ESX | May 19, 1990 |
| 9 | Grayson Goodman | East Rutherford | 125ESX | May 19, 1990 |
| 19 | Mark Pillion | East Rutherford | 125ESX | May 19, 1990 |
| 22 | Jeff Glass | East Rutherford | 125ESX | May 19, 1990 |
| 3 | Jeff Stanton | Charlotte | 250SX | May 12, 1990 |
| 9 | Mike Kiedrowski | Charlotte | 250SX | May 12, 1990 |
| 16 | Jason Upshaw | Charlotte | 250SX | May 12, 1990 |
| 17 | Kurt McMillen | Charlotte | 250SX | May 12, 1990 |
| 20 | Jean Michel Bayle | Charlotte | 250SX | May 12, 1990 |
| 3 | Mike Jones | Charlotte | 125ESX | May 12, 1990 |
| 15 | Tom Holt | Charlotte | 125ESX | May 12, 1990 |
| 16 | Grayson Goodman | Charlotte | 125ESX | May 12, 1990 |
| 17 | Gary Paul | Charlotte | 125ESX | May 12, 1990 |
| 21 | John Winslow | Charlotte | 125ESX | May 12, 1990 |
| 1 | Jean Michel Bayle | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 3 | Mike Kiedrowski | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 10 | Erik Kehoe | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 13 | Ty Davis | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 20 | John Winslow | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 3 | Jeff Stanton | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 16 | Kurt McMillen | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 18 | Jason Buttle | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 20 | David Hand | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 1 | Jean Michel Bayle | Tampa | 250SX | April 28, 1990 |
| 3 | Jeff Stanton | Tampa | 250SX | April 28, 1990 |
| 4 | Mike Kiedrowski | Tampa | 250SX | April 28, 1990 |
| 17 | Jason Upshaw | Tampa | 250SX | April 28, 1990 |
| 8 | Jeff Glass | Tampa | 125ESX | April 28, 1990 |
| 11 | Grayson Goodman | Tampa | 125ESX | April 28, 1990 |
| 12 | Mike Jones | Tampa | 125ESX | April 28, 1990 |
| 14 | Gary Paul | Tampa | 125ESX | April 28, 1990 |
| 17 | Tom Holt | Tampa | 125ESX | April 28, 1990 |
| 18 | Mark Pillion | Tampa | 125ESX | April 28, 1990 |
| 19 | Ralph Fernandez | Tampa | 125ESX | April 28, 1990 |
| 1 | Jean Michel Bayle | Pontiac 2 | 250SX | April 22, 1990 |
| 4 | Mike Kiedrowski | Pontiac 2 | 250SX | April 22, 1990 |
| 6 | Jeff Stanton | Pontiac 2 | 250SX | April 22, 1990 |
| 8 | Rick Johnson | Pontiac 2 | 250SX | April 22, 1990 |
| 18 | Erik Kehoe | Pontiac 2 | 250SX | April 22, 1990 |
| 2 | Mike Jones | Pontiac 2 | 125ESX | April 22, 1990 |
| 4 | Grayson Goodman | Pontiac 2 | 125ESX | April 22, 1990 |
| 16 | Jeff Glass | Pontiac 2 | 125ESX | April 22, 1990 |
| 21 | Heath Kirkland | Pontiac 2 | 125ESX | April 22, 1990 |
| 2 | Jeff Stanton | Pontiac 1 | 250SX | April 21, 1990 |
| 4 | Mike Kiedrowski | Pontiac 1 | 250SX | April 21, 1990 |
| 9 | Jean Michel Bayle | Pontiac 1 | 250SX | April 21, 1990 |
| 11 | Rick Johnson | Pontiac 1 | 250SX | April 21, 1990 |
| 19 | Kurt McMillen | Pontiac 1 | 250SX | April 21, 1990 |
| 2 | Mike Jones | Pontiac 1 | 125ESX | April 21, 1990 |
| 10 | Heath Kirkland | Pontiac 1 | 125ESX | April 21, 1990 |
| 16 | Mike Roth | Pontiac 1 | 125ESX | April 21, 1990 |
| 19 | Jeff Glass | Pontiac 1 | 125ESX | April 21, 1990 |
| 1 | Jean Michel Bayle | Irving | 250SX | April 7, 1990 |
| 4 | Jeff Stanton | Irving | 250SX | April 7, 1990 |
| 7 | Mike Kiedrowski | Irving | 250SX | April 7, 1990 |
| 4 | Ty Davis | Irving | 125E/WSX | April 7, 1990 |
| 5 | Jimmy Button | Irving | 125E/WSX | April 7, 1990 |
| 8 | Mike Jones | Irving | 125E/WSX | April 7, 1990 |
| 21 | Grayson Goodman | Irving | 125E/WSX | April 7, 1990 |
| 2 | Jean Michel Bayle | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 8 | Mike Kiedrowski | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 10 | Rick Ryan | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 15 | Jimmy Button | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 18 | Ty Davis | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 19 | Darryl Atkins | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 32 | Greg Tirheimer | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 33 | Vince Warren | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 40 | Erik Kehoe | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 2 | Jeff Stanton | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 18 | Tim McClintock | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 19 | Jason Buttle | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 21 | Bradley Bolton | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 32 | Tony McGrath | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 33 | Jason Upshaw | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 38 | Jim Owens | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 39 | Sven Stillrock | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 40 | Grant Michaelson | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 3 | Jean Michel Bayle | Pasadena | 250SX | March 24, 1990 |
| 4 | Mike Kiedrowski | Pasadena | 250SX | March 24, 1990 |
| 6 | Jeff Stanton | Pasadena | 250SX | March 24, 1990 |
| 14 | Erik Kehoe | Pasadena | 250SX | March 24, 1990 |
| 17 | Larry Brooks | Pasadena | 250SX | March 24, 1990 |
| 4 | Jimmy Button | Pasadena | 125WSX | March 24, 1990 |
| 9 | Ty Davis | Pasadena | 125WSX | March 24, 1990 |
| 13 | Brett Devries | Pasadena | 125WSX | March 24, 1990 |
| 21 | Vince Warren | Pasadena | 125WSX | March 24, 1990 |
| 2 | Jean Michel Bayle | Las Vegas | 250SX | March 17, 1990 |
| 3 | Jeff Stanton | Las Vegas | 250SX | March 17, 1990 |
| 6 | Mike Kiedrowski | Las Vegas | 250SX | March 17, 1990 |
| 12 | Erik Kehoe | Las Vegas | 250SX | March 17, 1990 |
| 17 | Gordon Ward | Las Vegas | 250SX | March 17, 1990 |
| 19 | Jason Upshaw | Las Vegas | 250SX | March 17, 1990 |
| 3 | Ty Davis | Las Vegas | 125WSX | March 17, 1990 |
| 7 | Jimmy Button | Las Vegas | 125WSX | March 17, 1990 |
| 13 | Brett Devries | Las Vegas | 125WSX | March 17, 1990 |
| 14 | Darrin Hoeft | Las Vegas | 125WSX | March 17, 1990 |
| 1 | Jeff Stanton | Daytona | 250SX | March 10, 1990 |
| 2 | Jean Michel Bayle | Daytona | 250SX | March 10, 1990 |
| 3 | Mike Kiedrowski | Daytona | 250SX | March 10, 1990 |
| 20 | David Hand | Daytona | 250SX | March 10, 1990 |
| 26 | Carl Vaillancourt | Daytona | 250SX | March 10, 1990 |
| 3 | Mike Jones | Daytona | 125ESX | March 10, 1990 |
| 11 | Grayson Goodman | Daytona | 125ESX | March 10, 1990 |
| 18 | Heath Kirkland | Daytona | 125ESX | March 10, 1990 |
| 1 | Mike Kiedrowski | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 2 | Jean Michel Bayle | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 5 | Erik Kehoe | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 8 | Ty Davis | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 23 | Bill Wallin | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 1 | Rick Johnson | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 2 | Jeff Stanton | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 16 | Carl Vaillancourt | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 18 | Joe Waddington | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 3 | Rick Johnson | Atlanta | 250SX | February 24, 1990 |
| 4 | Jean Michel Bayle | Atlanta | 250SX | February 24, 1990 |
| 10 | Mike Kiedrowski | Atlanta | 250SX | February 24, 1990 |
| 16 | Jeff Stanton | Atlanta | 250SX | February 24, 1990 |
| 3 | Mike Jones | Atlanta | 125ESX | February 24, 1990 |
| 7 | Grayson Goodman | Atlanta | 125ESX | February 24, 1990 |
| 9 | Jeff Glass | Atlanta | 125ESX | February 24, 1990 |
| 4 | Rick Johnson | Seattle | 250SX | February 17, 1990 |
| 6 | Jeff Stanton | Seattle | 250SX | February 17, 1990 |
| 7 | Jean Michel Bayle | Seattle | 250SX | February 17, 1990 |
| 8 | Mike Kiedrowski | Seattle | 250SX | February 17, 1990 |
| 16 | Allan Dyck | Seattle | 250SX | February 17, 1990 |
| 1 | Ty Davis | Seattle | 125WSX | February 17, 1990 |
| 4 | Jimmy Button | Seattle | 125WSX | February 17, 1990 |
| 6 | Darrin Hoeft | Seattle | 125WSX | February 17, 1990 |
| 12 | Brett Devries | Seattle | 125WSX | February 17, 1990 |
| 18 | Chris Trickle | Seattle | 125WSX | February 17, 1990 |
| 1 | Jeff Stanton | San Diego | 250SX | February 10, 1990 |
| 3 | Mike Kiedrowski | San Diego | 250SX | February 10, 1990 |
| 8 | Rick Johnson | San Diego | 250SX | February 10, 1990 |
| 12 | Erik Kehoe | San Diego | 250SX | February 10, 1990 |
| 16 | Carl Vaillancourt | San Diego | 250SX | February 10, 1990 |
| 1 | Ty Davis | San Diego | 125WSX | February 10, 1990 |
| 8 | Darrin Hoeft | San Diego | 125WSX | February 10, 1990 |
| 14 | Brett Devries | San Diego | 125WSX | February 10, 1990 |
| 22 | Jimmy Button | San Diego | 125WSX | February 10, 1990 |
| 5 | Jeff Stanton | Houston | 250SX | February 3, 1990 |
| 7 | Mike Kiedrowski | Houston | 250SX | February 3, 1990 |
| 15 | Rick Johnson | Houston | 250SX | February 3, 1990 |
| 20 | Jason Upshaw | Houston | 250SX | February 3, 1990 |
| 2 | Ty Davis | Houston | 125E/WSX | February 3, 1990 |
| 6 | Mike Jones | Houston | 125E/WSX | February 3, 1990 |
| 9 | Grayson Goodman | Houston | 125E/WSX | February 3, 1990 |
| 10 | Pedro Gonzalez | Houston | 125E/WSX | February 3, 1990 |
| 15 | Carl Vaillancourt | Houston | 125E/WSX | February 3, 1990 |
| 2 | Jean Michel Bayle | Anaheim | 250SX | January 27, 1990 |
| 6 | Rick Johnson | Anaheim | 250SX | January 27, 1990 |
| 7 | Jeff Stanton | Anaheim | 250SX | January 27, 1990 |
| 13 | Erik Kehoe | Anaheim | 250SX | January 27, 1990 |
| 15 | Mike Kiedrowski | Anaheim | 250SX | January 27, 1990 |
| 17 | Larry Brooks | Anaheim | 250SX | January 27, 1990 |
| 19 | Jason Upshaw | Anaheim | 250SX | January 27, 1990 |
| 3 | Jimmy Button | Anaheim | 125WSX | January 27, 1990 |
| 4 | Ty Davis | Anaheim | 125WSX | January 27, 1990 |
| 12 | Darrin Hoeft | Anaheim | 125WSX | January 27, 1990 |
| 13 | Brett Devries | Anaheim | 125WSX | January 27, 1990 |
