| 27 | Blair Miller | 65 (10-11) Stock ll65 (10-11) Stock | 1998 | KTM |
| 20 | Thor Loper | Vet B/C 30 Plus llVet B/C 30 Plus | 1998 | KTM |
| 32 | Mark Garrison | Vet A Plus 30 llVet A Plus 30 | 1998 | KTM |
| 6 | Rodney Carrier | Vet A Plus 30 llVet A Plus 30 | 1998 | KTM |
| 4 | Larry Gessner | Vet A Plus 30 llVet A Plus 30 | 1998 | KTM |
| 10 | David Gordon | Senior 40 Plus llSenior 40 Plus | 1998 | KTM |
| 25 | Rodney Carrier | Junior 25 Plus llJunior 25 Plus | 1998 | KTM |
| 24 | Rod Tapia | Junior 25 Plus llJunior 25 Plus | 1998 | KTM |
| 17 | Larry Gessner | Junior 25 Plus llJunior 25 Plus | 1998 | KTM |
| 5 | Richard Prather | Junior 25 Plus llJunior 25 Plus | 1998 | KTM |
| 25 | Chris Todd | 85 (7-11) Stock ll85 (7-11) Stock | 1998 | KTM |
| 88 | Chase Beck | 65 (7-9) Stock ll65 (7-9) Stock | 1998 | KTM |
| 25 | Michael Slater | 65 (7-9) Stock ll65 (7-9) Stock | 1998 | KTM |
| 9 | Zach Ames | 65 (7-9) Stock ll65 (7-9) Stock | 1998 | KTM |
| 4 | Kelly Smtih | 125 A / Pro Sport ll125 A / Pro Sport | 1998 | KTM |
| 20 | Jesse Moore | 65 (10-11) Stock ll65 (10-11) Stock | 1998 | KTM |
| 17 | Robert Loire | 65 (10-11) Stock ll65 (10-11) Stock | 1998 | KTM |
| 12 | Kody Schantzen | 65 (10-11) Stock ll65 (10-11) Stock | 1998 | KTM |
| 7 | Josh Lichtle | 65 (10-11) Stock ll65 (10-11) Stock | 1998 | KTM |
| 33 | Donnie Kearney | 51cc 7-8 AMA Class 2 ll51cc 7-8 AMA Class 2 | 1998 | KTM |
| 14 | Cole Seely | 51cc 7-8 AMA Class 2 ll51cc 7-8 AMA Class 2 | 1998 | KTM |
| 37 | Cody Sigler | 51cc 4-6 AMA Class 1 ll51cc 4-6 AMA Class 1 | 1998 | KTM |
| 27 | Preston Thomas | 51cc 4-6 AMA Class 1 ll51cc 4-6 AMA Class 1 | 1998 | KTM |
| 5 | Tevin Tapia | 51cc 4-6 AMA Class 1 ll51cc 4-6 AMA Class 1 | 1998 | KTM |
| 3 | Kelly Smith | 250/Open A / Pro Sport ll250/Open A / Pro Sport | 1998 | KTM |
| 33 | Michael Barto | 250/Open A ll250/Open A | 1998 | KTM |
| 34 | Richard Prather | 125 A / Pro Sport ll125 A / Pro Sport | 1998 | KTM |
