| Team | Constructor | No | Rider | Rounds |
|---|
| Monster Energy Yamaha Star Racing | Yamaha | 1 | Cooper Webb [3] | 1–6 |
|---|
| 32 | Justin Cooper [3] | 1–6 |
| Red Bull KTM Factory Racing | KTM | 3 | Eli Tomac [4] | 1–6 |
|---|
| 7 | Aaron Plessinger [4] | 1–6 |
| 26 | Jorge Prado [4] | 1–6 |
| Monster Energy Kawasaki | Kawasaki | 4 | Chase Sexton [5] | 1–6 |
|---|
| 36 | Garrett Marchbanks [5] | 1, 3–6 |
| Quadlock Honda Racing | Honda | 12 | Shane McElrath | 1–6 |
|---|
| 17 | Joey Savatgy | 1–6 |
| 28 | Christian Craig | 1–6 |
| Troy Lee Designs Red Bull Ducati Factory Racing | Ducati | 14 | Dylan Ferrandis [6] | 1–6 |
|---|
| 51 | Justin Barcia [6] | 1 |
| Honda HRC Progressive | Honda | 18 | Jett Lawrence [7] | |
|---|
| 96 | Hunter Lawrence [7] | 1–6 |
| Triumph Factory Racing Team | Triumph | 20 | Jordon Smith [8] | |
|---|
| 33 | Austin Forkner [8] | 1–3 |
| Twisted Tea Suzuki Presented by Progressive Insurance | Suzuki | 21 | Jason Anderson [9] | 1–6 |
|---|
| 45 | Colt Nichols [9] | 1–6 |
| Rockstar Energy Husqvarna Factory Racing | Husqvarna | 24 | RJ Hampshire [10] | 1–5 |
|---|
| 27 | Malcolm Stewart [10] | 1–6 |
| Partzilla Blaster PRMX Racing | Kawasaki | 41 | Mitchell Harrison | 1–6 |
|---|
| 784 | Cade Clason | 1–4 |
| Yamaha | 44 | Ty Masterpool | 4 |
|---|
| Gizmo Racing Yamaha | Yamaha | 6 |
|---|
| 63 | Fredrik Norén | 1–6 |
| 106 | Stephen Rubini | 1–2 |
| Team Tedder Racing | KTM | 46 | Justin Hill | 1–6 |
|---|
| Liqui Moly Beta Racing | Beta | 52 | Mitchell Oldenburg [11] | 1–2 |
|---|
| 54 | Benny Bloss [11] | |
| Champion Tool Storage KMR KTM | KTM | 62 | Grant Harlan | 1–6 |
|---|
| 78 | Kevin Moranz | 1–6 |
| The McGinley Clinic Privateer Support Program | Yamaha | 64 | Romain Pape | 1–3, 5 |
|---|
| Husqvarna | 411 | Scott Meshey | 1–6 |
|---|
| Yamaha | 512 | Austin Cozadd | 6 |
|---|
| 711 | Tristan Lane | 1–6 |
| Honda | 874 | Zack Williams | 1–6 |
|---|
| Heartbeat Hot Sauce NanoXtreme Yamaha | Yamaha | 66 | Cole Thompson | 3–4 |
|---|
| 237 | Robbie Wageman | |
| Short Racing | Honda | 90 | John Short IV | 4–5 |
|---|
| Progressive Insurance Cycle Gear Suzuki | Suzuki | 94 | Ken Roczen [9] | 1–6 |
|---|
| Harriman Concepts | KTM | 116 | Devin Harriman | 6 |
|---|
| Firefly/Mountain Movers/Jones Powersports | Kawasaki | 118 | Cheyenne Harmon | 3 |
|---|
| JSR Motorsports | Yamaha | 124 | Justin Starling | |
|---|
| DPMX/Onlyfans Racing | Yamaha | 138 | David Pulley | 1–3, 5–6 |
|---|
| Dirt Store Triumph Racing | Triumph | 166 | Dylan Woodcock | 1–3 |
|---|
| Onlyfans | Kawasaki | 169 | Logan Karnow | 1–2 |
|---|
| MotoConcepts Racing | Honda | 200 | Ryan Breece | 3 |
|---|
| Motosport Hillsboro Legacy Racewear Kawasaki | Kawasaki | 207 | Rider Fisher | 3, 6 |
|---|
| Torchbearer Sauces Kawasaki | Kawasaki | 208 | Logan Leitzel | 1–4 |
|---|
| ESS Farms | Yamaha | 246 | Chance Blackburn | 6 |
|---|
| Team LMR | Suzuki | 281 | Cory Carsten | |
|---|
| Skwok B-Dub Motorsports Racing | Yamaha | 289 | Robert Hailey III | 1–3 |
|---|
| US 27 Motorsports | Beta | 299 | Konnor Visger | 1–2 |
|---|
| The Law Tigers Privateer Paddock | Husqvarna | 344 | Justin Aragaki | 2–3 |
|---|
| Charlie T’s Crawfish & Seafood | Gas Gas | 346 | Charles Tolleson IV | |
|---|
| Turn One Powersports KTM | KTM | 501 | Scotty Wennerstrom | |
|---|
| Cartwright Racing | Kawasaki | 519 | Joshua Cartwright | 1–6 |
|---|
| Addison Emory Racing | Yamaha | 538 | Addison Emory IV | |
|---|
| Buller Racing | Husqvarna | 542 | Johnnie Buller | 3 |
|---|
| Underdog Racing | Honda | 581 | Kyle Bitterman | 4–5 |
|---|
| ISRT Kawasaki | Kawasaki | 604 | Max Miller | 1–5 |
|---|
| 719 | Vince Friese | 1–6 |
| Kalaitzian Brothers Racing | Honda | 636 | Luke Kalaitzian | 5 |
|---|
| Piazza Racing | Yamaha | 637 | Bobby Piazza | 1–6 |
|---|
| MotoWhips Racing | KTM | 667 | Anton Nordström | 1, 3, 5 |
|---|
| 734 | Dayton Briggs | 1–2 |
| Kawasaki | 672 | Brandon Pederson | |
|---|
| Wharton Racing | Kawasaki | 767 | Mason Wharton | 6 |
|---|
| Dickey Racing | Suzuki | 812 | Luke Dickey | 4 |
|---|
| Lasting Impressions CG llc. | Honda | 873 | Ronnie Orres | |
|---|
| TMR Racing | Kawasaki | 976 | Josh Greco | 1–6 |
|---|
| Yankton Motorsports | Kawasaki | 996 | Preston Taylor | |
|---|
|