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2019 Bike Classes

Bike ClassAge
(as of Jan 1st)
2 Stroke4 StrokeNotes
50cc (4-6 yrs)4-60-51cc0-51ccAll PW classes are Stock
50cc ( 7-8 yrs)7-80-51cc0 -51cc 
50cc Oil/Auto (4-8 yrs)4-80-51cc0-51cc 
50cc Open (4-8 yrs)4-80-51cc0NO Oil injected
65cc (7-9 yrs)7-952-65cc52-90ccAir cooled 4-strokes 
65cc (10-11 yrs)10-1152-65cc52-90cc Air cooled 4-strokes 
65/85cc  (9-11 yrs)9-1165-85cc75-125cc  Air cooled 4-strokes 
85cc (9-13 yrs )9-1379-85cc75-125cc  Air cooled 4-strokes 
85/150cc (12-15 yrs )12-1579-85cc75-150ccSmall Wheels
Super Mini (12-16 yrs)12-1679-112cc75-150ccSmall and Big Wheels
Collegeboy*14-24122-Opencc122-OpenccAge 24 by riders first seasonal race - Rider may enter class at 24yrs and complete season championship after 25thbirthday
125 2-Stroke12+ Up122-125cc0 
250 A-B-C*12+ Up122-250CC122-250CC 
Open A-B-C *12+ Up122-Opencc122-OpenMust be 14yrs old to ride 251cc-Opencc
25+ (A-B-C)25+ Up122-Opencc122-Opencc 
30+ A-B-C)30+ Up122-Opencc122-Opencc 
40+ (A-B-C)40+ Up122-Opencc122-Opencc 
45+45+ Up122-Opencc122-Opencc 
50+50+ Up122-Opencc122-Opencc 
Womens (85cc+)*12+ Up99-Opencc99-Opencc 

 *The AMA announced a rule change for the 2017 season that will introduce new minimum ages for certain displacement motorcycles. The following rule change was created through AMA Congress and approved by the AMA Board of Directors. This rule will go into effect Jan. 1, 2017.

Chapter 1.1; Chapter A; Paragraph 6: The minimum age for amateur riders is 12. In all events, a rider must be 14 or older to ride motorcycles above a 250cc.In motocross events, a rider must be 14 or older to ride a 250cc 4-stroke/2-stroke motorcycle. In motocross events, a rider must be 16 or older to ride a 450cc or above motorcycle.

Example: A racer who is 13 years old on the day of the event is not permitted to compete on 250cc model motorcycle. A racer that is 15 years old on the day of the event is not permitted to compete on a 450cc model motorcycle.

2019 Quad Classes

Quad ClassAge
(as of Jan 1st)
2 Stroke4 StrokeNotes
PW Limited4-80-50cc0-50ccStock
41" max width
11" wheel base
4" suspension travel
PW Modified4-80-50cc0-50ccModified
70 Limited6-1151-70cc51-70ccProduction
70 Modified6-1151-70cc51-70ccModified
90 Auto8-1551-90cc51-125ccProd/Belt Driven
90 Modified8-1551-90cc51-125ccModified
Womens/Girls OpenAny ageOpen ccOpen ccMust be 15+ to ride full size quad
Open A16+Up91-Opencc91-Opencc 
Open B15+Up91-Opencc91-Opencc 
Open C15+Up91-Opencc91-Opencc 
Plus 2525+Up91-Opencc91-Opencc 
Plus 3030+Up91-Opencc91-Opencc 
Plus 4040+Up91-Opencc91-Opencc 
Pro Am16+Up91-Opencc91-Opencc