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 50cc 4-6
- Limited PeeWee 50cc 7-8
- Limited PeeWee 50cc Oil Inj 4-8
- Limited PeeWee 50cc Open 4-8
- 65cc 7-11
- Junior Mini 85cc 9-11
- Mid Mini 85cc 12-13
- Senior Mini 85cc/150cc 14-15 *
- Supermini 85cc/150cc 12-16 **
* 150cc designated Four Stroke with 14″ rear and 17″ front wheel.
** 150cc designated Four Stroke with 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
- 250 Two Stroke Only
- College boy 17-24
- Plus 50
- Schoolboy 12-16
- Women 12+
VINTAGE
All Claverack Events
Double Points ACE MX @THE WICK 338, DBMX , ECHO VALLEY, HOLIDAY MNT, &
OCFMX Events Only
- 70’s Evolution
- 80’s Modern
- 90’s Advanced
- 2000’s Y2K
