Class Name Also Called Bike Size Ages Additional Info
Women's 12 & Over Women Sr. Open 12 & up Open to all riders within the age range. Trophy, plaque or medal awards only.
Women's 4 -11 Women Jr. Up to 150cc 4-11 Open to all riders within the age range. Trophy, plaque or medal awards only.
Trail 12-15 Big Trail up to 150cc Trail Bike 12-15 For a trail style bike (PW, XR, TTR, CRF,etc.). Trophy, plaque or medal awards.
Trail 4-11 Little Trail up to 110cc 4-11 For a trail style bike (PW, XR, TTR, CRF,etc.). Trophy, plaque or medal awards.
Super Mini N/A 79-112cc 2-stroke/75-150cc 4-stroke 12-16 Max front wheel 19"
Min rear wheel 14" Max wheelbase 52"
Dealer Check Plaque or Trophy
Open D N/A Big Bikes Only 100cc & up 12 & up No Doubling jumps, for beginner-beginner riders only. Non-Series Paying Class, after three wins SJO will review eligibility.
Open C Open Novice 125cc & up 12 & up For beginning racers only. A novice skill level class. Trophy, plaque or medal awards only. No Triples
Open B Open Intermediate 125 & Up 12 & up An intermediate skill level class. Dealer check awards.
Open A Open Expert 125cc & up 12 & up Payback Guaranteed per moto. An expert skill level class. ($60, $50, $40, $30, $20, $10)
Mini Open N/A 60-85cc 7-11 Any skill level racers, dealer check awards.
Lites Jr. 12-16 125 Jr.or Schoolboy 86cc -144cc 2 stroke and 250cc 4 stroke 12-16 Check awards.
250 C 250 Novice 125-250cc 12 & up For beginning racers only. A novice skill level class. Trophy, plaque or medal awards only. No Triples
250 B 250 Intermediate 125 - 250cc 12 & up An intermediate skill level class. Check awards.
250 A 250 Expert 125 - 250cc 12 & up Payback Guaranteed per moto. An expert skill level class. ($60, $50, $40, $30, $20, $10)
125 2 Stroke N/A 125cc 2 stroke only 12 & up Trophy, plaque or medal awards only.
85C 85 Novice 80-85cc 2 stroke 150cc 4 stroke 10-15 For beginning racers only. A novice skill level class. Trophy, plaque or medal awards only. No Triples. Max front wheel 19 in. Min rear wheel 12 in. Max rear wheel 16 in. Max wheelbase 52 in
85 12-15 85 Sr 80-85cc 2 stroke 150cc 4 stroke 12-15 Open to all riders within the age range.Dealer check awards. Max front wheel 17 in. Min rear wheel 12 in. Max rear wheel 16 in. Max wheelbase 51 in.
85 7-11 85 Jr 80-85cc 7-11 Open to all riders within the age range.Dealer check awards. Max front wheel 17 in. Min rear wheel 12 in. Max rear wheel 16 in. Max wheelbase 51 in
65 7-11 N/A 60-65cc 7-11 Trophy, plaque, dealer check or medal awards.
65 7-9 N/A 60-65cc 7-9 Trophy, plaque, or medal awards.
50 SS 7-8 Pee Wee SS 50cc 7-8 Trophy, plaque or medal awards for all entrants. Stock bike. PW, KDX, JR, XR, CRF 50's Shifters must be removed.
50 SS 4-6 Pee Wee SS 50 CC 4-6 Trophy, plaque or medal awards for all entrants. Stock bike. PW, KDX, JR, XR, CRF 50's Shifters must be removed.
50 Sport 4-8 N/A 50cc 4-8 KTM Mini Adventure and Cobra PW3, Beginner bikes. Trophy, plaque or medal awards for all entrants. Stock bike. Shifters must be removed.
50 4-8 Sr. 50 Advanced Sr. 50cc 4-8 Trophy, plaque or medal awards for all entrants. - Typically for more advanced riders. Stock Sr. bike. Shifters must be removed.
50 4-6 Jr. 50 Advanced Jr. 50cc 4-6 Trophy, plaque or medal awards for all entrants. - Typically for more advanced riders. Stock Jr. bike. Shifters must be removed.
35+ 35 Plus 125cc & up 35 & up Open to riders within the age range. Dealer Check Awards.
30+ 30 Plus 125cc & up 30 & up Open to riders within the age range. Dealer Check Awards.
25+ 25 Plus 125cc & up 25 & up Open to riders within the age range. Dealer Check Awards.
14-24 N/A 125 cc & up 14-24 Open to riders within the age range. Dealer Check Awards.
Quad Novice N/A 16 & up
Quad 50 stock N/A Up to 50cc 4-8 Must be show room stock no mods allowed.
Quad 50 production N/A Up to 50cc 4-8 Must use production frames, and cases all other mods allowed, this is also the cobra 50 class.
Quad 70 stock N/A Up to 70cc 6-11 Must be show room stock, no mods allowed.
Quad 70 production N/A Up to 70cc 6-11 Must use production frames and cases, all other mods allowed, this is also the cobra 70 class.
Quad 90 2 stroke/0-110 4 stroke, stock N/A Up to 90cc 2 stroke, Up to 110 cc 4 stroke 8-13 Must be show room stock, no mods allowed.
Quad 105 2 stroke/0-125 4 stroke production N/A Up to 105cc 2 stroke, Up to 125cc 4 stroke 8-15 Must use production frames and cases all other mods allowed, this is the cobra 90 class.
Quad 105 2 stroke/0-150 4 stroke super mini N/A Up to 105cc 2 stroke, Up to 150cc 4 stroke 11-15 This class allows bike motors and aftermarket frames.
Quad 200 2 stroke/0-300 4 stroke youth production N/A Up to 200cc 2 stroke, Up to 300cc 4 stroke 13-15 Must use production frames and cases, all other mods allowed.
Quad Advance Quad Expert 16 & Up Payback per overall finish. An expert skill level class.
**Classes subject to change without notice.
