Regional Classes

Class

Sled

Pro Day #1/Day #2Maximum 600cc 2 stroke, 1050cc 4 stroke
Pro Stock Day #1/Day #2Super Stock designated models – Refer toISOC Official Rulebook
Pro AM +30 Day #1/Day #2Super Stock designated models – Refer toISOC Official Rulebook
Pro AM Women Day #1/Day #2Super Stock designated models – Refer toISOC Official Rulebook
Pro Lite Day #1/Day #2Super Stock designated models – Refer toISOC Official Rulebook
Pro AM 15+ Day #1/Day #2Super Stock designated models – Refer to ISOC Official Rulebook
Ditchbanger 1999-2005 Day #1/Day #2Vintage Rules
Sport Day #1/Day #2Super Stock designated models – Refer toISOC Official Rulebook
Sport Lite (new riders/Sport, Pro AM Women/+30) Day #1/Day #2Super Stock designated models – Refer toISOC Official Rulebook
Jr. 16-17 Day #1/Day #2Maximum 500cc Liquid Cooled, 600cc Fan Cooled, 600cc *Throttle Restricted” Super Sport and all Yamaha Phazer models
Jr. 14-15 Day #1/Day #2Maximum 500cc Liquid Cooled, 600cc Fan Cooled, 600cc *Throttle Restricted” Super Sport and all Yamaha Phazer models
Jr. 10-13 #1 Day #1/Day #2Refer to ISR Rulebook, pages 17-18 here
Jr. 10-13 #2 Day #1/Day #2Refer to ISR Rulebook, pages 17-18 here
Jr. Girls 9-13Refer to ISR Rulebook, pages 17-18 here
Transition 8-10 Day #1/Day #2Refer to ISR Rulebook, pages 17-18 here
Transition 11-12 Day #1/Day #2Refer to ISR Rulebook, pages 17-18 here
Transition 8-12 Combined Day #1/Day #2Refer to ISR Rulebook, pages 17-18 here
Pro 206 8-12 Day #1/Day #2Briggs & Stratton motor
Pro 206 6-7 Day #1/Day #2Briggs & Stratton motor
120 Improved Stock 6-12 Combined Day #1/Day#2120cc improved stock
120 Improved Stock 6-7 Day #1/Day #2120cc improved stock
120 Stock 4-5 Day #1/Day #2 & 120 Improved Stock 4-5 Day #1/Day #2120cc stock/120 improved stock
120 Champ Day #1/Day #2 (Age 6-12)120cc modified
200 Stock Ages 8-12Page 25

If You Run This

You Can Also Run This*

ProPro Stock OR Pro AM Plus OR Pro AM Women OR Pro 16-29*
ProPro OR Pro AM Plus OR Pro AM Women OR Pro 16-29*
Pro AM Plus 30Pro OR Pro Stock OR Pro Lite OR Sport/Lite*
Pro AM WomenPro OR Pro Stock OR Pro Lite OR Pro 16-29* OR Sport/Lite*
Pro LitePro AM Plus OR Pro AM Women OR Pro 16-29*
Pro AM 15+Age class
Ditchbanger 1995-2005
SportSport Lite (if you aren’t top 30 from prior year) OR Pro AM Women/Pro AM +30 OR Jr. 16-17 (if approved)
Sport LitePro AM Women OR Pro AM Plus 30 OR Sport OR Jr. 14-15 & Jr. 16-17
Transition 8-10Jr. 10-13 & Transition Classes, 120 classes – all age appropriate
Transition 11-12Jr. 10-13 & Transition Classes, 120 classes – all age appropriate
Jr. Girls 9-13Jr. 10-13 & Transition Classes, 120 classes – all age appropriate
Pro 206 8-12Jr. 10-13 & Transition Classes, 120 classes – all age appropriate
Pro 206 6-7120 classes – all age appropriate
120 Improved 6-12 CombinedJr. 10-13 & Transition Classes, 120 classes – all age appropriate
120 Improved Stock 6-7120 Age appropriate classes
120 Stock 4-5/120 Improved Stock 4-5Nothing Else
120 Champ 6-12Jr. 9-13 & Transition Classes, 120 classes – all age appropriate

*All riders must fit into appropriate age/gender class if age/gender specific class

YEAR END POINTS WILL BE THE BEST 8 OUT OF 10 SCORES