2014 ATVMX National Classes

Updated: 1.15.14    
ITALICS DENOTES CHANGES FOR 2014  
 

CLASS

RESTRICTION

DISPLACEMENT

PRO: Riders must be 18 or older on date of event to compete.
PRO-AM: Riders must be 16 or older on date of event to compete.
1 Pro Production 350-450cc 4-Stk
2 Pro Am   201cc-Open
AMATEUR: Riders must be 16 or older on date of event to compete.
3 450 A   91-265cc 2-Stk; 201-450cc 4-Stk
4 450 B   91-265cc 2-Stk; 201-450cc 4-Stk
5 450 C   91-265cc 2-Stk; 201-450cc 4-Stk
6 Open A   201cc-Open
7 Open B   201cc-Open
8 Open C   201cc-Open
9 Production A Production 201-450cc 4-Stk
10 Production B Production 201-450cc 4-Stk
11 Production C Production 201-450cc 4-Stk
12 College (16-24)   201cc-Open
13 Junior 25+   201cc-Open
14 Veteran 30+   201cc-Open
15 Veteran 30+ C   201cc-Open
16 Senior 40+   201cc-Open
17 Women   201-450cc 4-Stk
YOUTH CLASSES:  Age is based on the rider's age on January 1
18 Schoolboy Sr. (14-17) Production* 91-300cc 4-Stk, 201-400cc 4-Stk Prod*
19 Schoolboy Jr. Open (13-15)   91-200cc 2-Stk, 91-300cc 4-Stk
20 Schoolboy Jr. (13-15) Production 91-200cc 2-Stk, 91-300cc 4-Stk
21 Schoolgirl (13-17) Production* 91-200cc 2-Stk, 91-300cc 4-Stk
      201-400cc 4-Stk Prod*
      13 yr old: 91-200cc 2-Stk; 91-300cc 4-Stk
22 Girls Sr. Shifter (12-15)   71-90cc 2-Stk, 125cc 4-Stk, Shifter
23 Girls Jr. (6-11) Production 51-70cc 2-Stk, 114cc 4-Stk
24 Super Mini (12-15)   71-105cc 2-Stk, 75-150cc 4-Stk
25 125 (8-15) Production 90-125cc 4-Stk
26 90 Open Sr. (12-15)   71-90cc 2-Stk, 125cc 4-Stk, Auto/CVT/Shifter
27 90 Open Jr. (8-11)   71-90cc 2-Stk, 125cc 4-Stk, Auto/CVT/Shifter
28 90 Automatic Sr. (12-15) Production 71-90cc 2-Stk, 125cc 4-Stk, Automatic/CVT
29 90 Automatic Jr. (8-11) Production 71-90cc 2-Stk, 125cc 4-Stk, Automatic/CVT
30 90 Shifter (12-15)   71-90cc 2-Stk, 125cc 4-Stk, Shifter
31 90 Shifter (8-11)   71-90cc 2-Stk, 125cc 4-Stk, Shifter
32 90 CVT (8-15) Production 71-90cc 2-Stk, 125cc 4-Stk, Automatic/CVT
33 70 Open (6-11)   51-70cc
34 70 Automatic (6-11) Production 51-70cc, Automatic/CVT
35 70 Shifter (6-11)   51-70cc, Shifter
36 50 Open (6-8)   0-50cc
37 50 CVT (6-8) Production 0-50cc - Belt-Drive
38 50 Single Speed (6-8)   0-50cc - No CVT
39 50 Semi Stock (4-6) Production 0-50cc, Automatic: 41" max. width; 41"max. wheel base; max. 4" shock travel