ATV Motocross

2024 National Classes

Final Posted: 11.28.23

 CLASSDISPLACEMENTLAPS**
1AMA Pro450cc 4-Stk*18+2
2Pro-Am201-450cc 4-Stk13+2
3Pro Sport201cc-Open6
4Open B201cc-Open4
5Open C201cc-Open4
6450 A201-450cc 4-Stk5
7450 B201-450cc 4-Stk4
8450 C201-450cc 4-Stk4
9Production A201-450cc 4-Stk*5
10Production B201-450cc 4-Stk*4
11Production C201-450cc 4-Stk*4
12College (16-24)201cc-Open4
13Junior 25+201cc-Open5
14Veteran 30+ A201cc-Open4
15Veteran 30+ B201cc-Open4
16Veteran 30+ C201cc-Open4
17Senior 40+ A201cc-Open4
18Senior 40+ B201cc-Open 
19Senior 40+ C201cc-Open4
20Masters 50+201cc-Open4
21WMX201-450cc 4-Stk5
22Women (15+)201-450cc 4-Stk
15 yr old: 201-250cc 4-Stk
4
23Warrior201cc-Open; Military & 1st Responders4

YOUTH CLASSES:  Age is based on the rider's age on January 1
24Youth All-Star (14-17)91-200cc 2-Stk, 91-250cc 4-Stk
201-400cc 4-Stk*
5
25250 Mod (13-15)91-200cc 2-Stk; 91-250cc 4-Stk
201-400cc 4-Stk*
12 yr old: 71-112cc 2-Stk; 75-150cc 4-Stk
4
26Schoolboy Sr. (13-17)91-200cc 2-Stk; 91-250cc 4-Stk;
201-400cc 4-Stk*
4
27Schoolboy Jr. (12-15)71-112cc 2-Stk; 75-150cc 4-Stk
91-200cc 2-Stk*; 91-300cc 4-Stk*
12 yr old: 71-112cc 2-Stk; 75-150cc 4-Stk
4
28Super Mini (12-15)71-112cc 2-Stk; 75-150cc 4-Stk4
29Schoolgirl (13-17)91-200cc 2-Stk; 91-250cc 4-Stk
201-400cc 4-Stk*
12 yr old: 71-112cc 2-Stk; 75-150cc 4-Stk
4
30Girls (8-13)70-90cc 2-Stk;
125cc 4-Stk*
4
3190 Open (8-13)71-90cc 2-Stk; 125cc 4-Stk4
3290 Automatic (8-13)71-90cc 2-Stk; 125cc 4-Stk*
Automatic/CVT/Single Speed
4
3390 Shifter (8-13)71-90cc 2-Stk; 125cc 4-Stk; Shifter4
3470 Open (6-11)51-70cc;
125cc 4-Stk*
4
3570 Automatic (6-11)51-70cc*; Automatic/CVT/Single Speed4
3670 Shifter (6-11)51-70cc; Shifter
125cc 4-Stk*
4
3750 Open (4-8)0-50cc4
3850 CVT (4-8)0-50cc*; Belt-Drive4
3950 Automatic (4-6)0-50cc; Automatic/CVT/Single Speed4

*Production Rule Applies
**Laps are 'weather permitting'. Pro/Pro-Am reference is to time, then laps.