The classes listed below are also listed in the AMA Rulebook. Please refer to the AMA Rulebook for detailed information regarding eligibilty for your motorcycle and your rider.
YOUTH
All MSC Events
Limited PeeWee 4-6 0-50cc Two Stroke
Limited PeeWee 7-8 0-50cc Two Stroke
Limited PeeWee 4-8 Oil Inj 0-50cc Two Stroke
Limited PeeWee 4-8 Open 0-50cc Two Stroke
65 7-11 59-65cc Two Stroke
Junior Mini 9-11 65/85cc Two Stroke
Mid Mini 9-13 85cc Two Stroke
Senior Mini 12-15 85cc Two Stroke /150cc Four Stroke *
Supermini 12-16 79-112cc Two Stroke /150cc Four Stroke **
* 14″ rear and 17″ front wheel.
** 17″ rear and 19″ front wheel.
ADVANCEMENT
All MSC Events
250 A, B, C
Open A,B,C
Plus 25 A,B,C
Plus 30 A,B,C
Plus 40 A,B,C
NON-ADVANCEMENT
All MSC Events
125 Two Stroke Only
Collegeboy 17-24
Plus 35
Plus 50
Schoolboy 12-16
Women 12+
VINTAGE
At all Double Points and select ACE MX @THE WICK 338, DBMX , ECHO VALLEY, HOLIDAY MNT, &
OCFMX Events Only