Classes Yamaha PW 50 (4-8 yrs) -0-51cc This is a specified model class. Only a Yamaha PW 50 is permitted. 51cc Lites (Limited Peewee Jr.) (4-8 yrs) -0-51cc 2or 4 stroke single speed 10” wheel max 51cc Expert (Limited Peewee Sr.) (7-8 yrs) -0-51cc 2or 4 stroke single speed 12” wheel max 51cc Open (Limited Peewee) (4-8 yrs) -0-51cc 2or 4 stroke single or multi speed 65 (7-9 yrs) – 65cc 2-stroke 65 (10-11 yrs) – 65cc 2-stroke 65 Open (7-11 yrs) – 65cc 2-stroke 85cc JR Mini (7-11 yrs) – 79-85cc 2-stroke 17” front wheel max 85cc SR Mini (12-15 yrs) – 79-85cc 2-stroke & 91-150 4-stroke 17” front wheel max*see note at bottom 85cc Open (9-15 yrs) 79-85cc 2-stroke & 75-150cc 4-Stroke 19″ front wheel max*see note at bottom Supermini (12-16 yrs) – 79-112cc 2-stroke & 75-150 4-stroke 19”front wheel max*see note at bottom Schoolboy 1 (12-16 yrs) – 86-125cc 2-stroke & 75-150cc 4-stroke, 16” rear wheel min Schoolboy 2 (14-16 yrs) – 122-150cc 2-stroke & 126-250cc 4-stroke, min wheelbase of 53in, NO minicycles or superminis Girls Bike (12 yrs & under) – 59-85cc 2 stroke & 70-200cc 4 stroke trailbike- no big bikes allowed Womens Bike (12+ yrs) – 99cc-Open 250 C (Lites Novice) – 122-250cc 2-stroke or 4-stroke 18”rear wheel min 250 B (Lites Intermediate) – 122-250cc 2-stroke or 4-stroke 18” rear wheel min 250 A (Lites Expert) – 122-250cc 2-stroke or 4-stroke 18” rear wheel min Open C (Novice) – 122cc to open 2-stroke or 4-stroke (250F Legal) Open B (Intermediate) – 122cc to open 2-stroke or 4-stroke (250F Legal) Open A (Expert) – 122cc to open 2-stroke or 4-stroke (250F Legal) Collegeboy (14-24 yrs) – 122cc to open 2-stroke or 4-stroke VET Amateur 25+ (BC) – 122cc to open 2-stroke or 4-stroke Expert 25+ (A) – 122cc to open 2-stroke or 4-stroke VET Amateur 30+ (BC) – 122cc to open 2-stroke or 4-stroke Expert 30+ (A) – 122cc to open 2-stroke or 4-stroke VET 40+ – 122cc-Open 2-stroke or 4-stroke VET 50+ – 122cc-Open 2-stroke or 4-stroke VET 60+ – 122cc-Open 2-stroke or 4-stroke 125cc (12 yrs+) – 122-125cc 2-stroke 2-stroke Open (12 yrs+) – 122cc-open 2stroke 18”rear wheel min Open Beginner (12yrs+) – 122cc-Open For More details pull up 2018 KMCS Classes PDF below! Search for: Advertisement View on FacebookKentuckiana Motocross Championship Series 2 weeks ago Round #2 of the KMCS and a LL Area Qualifier next Weekend!Be sure to check what day your class is! http://kentuckianamx.com/event/kentuckiana-mx-championship-series-round-2/ ... See MoreSee LessKentuckiana MX Championship Series Round #2 (2018-04-14)kentuckianamx.com2018 Loretta Lynn Mideast Area... View on Facebook·ShareKentuckiana Motocross Championship Series 4 weeks ago Sorry for the inconvenience with the website being down. Go daddy and Dan should have it back up tonight or tomorrow. See you this weekend at Lincoln Trail ! ... See MoreSee LessView on Facebook·ShareKentuckiana Motocross Championship Series shared their post. 1 month ago Summer Graham, Rhonda Nicole Poteet, Nick Wolfe, Donnie Short, Tasha Gibson, Chuck Nice, Norma Weir Vuckson ... See MoreSee LessKentuckiana Motocross Championship Serieshttp://kentuckianamx.com/2018/... View on Facebook·ShareKentuckiana Motocross Championship Series 1 month ago http://kentuckianamx.com/2018/03/16/interview-ella-wolfe-311/ ... See MoreSee LessInterview: Ella Wolfe #311 | Kentuckyanakentuckianamx.comInterview: Ella Wolfe #311 by ... View on Facebook·ShareKentuckiana Motocross Championship Series 2 months ago http://kentuckianamx.com/2018/02/22/interview-stephen-vuckson/ ... See MoreSee LessInterview : Stephen Vuckson #731 | Kentuckyanakentuckianamx.comInterview : Stephen Vuckson #7... View on Facebook·Share 2018 KENTUCKIANA MX CHAMPIONSHIP SERIES RULE BOOK 2018 KMCS YOUTH CLASSES 2018 KMCS AMATEUR CLASSES ABOUT US BIKE CHECK IN CLASSES & RULES SCHEDULE NEWS EVENT RESULTS CONTACT US DOWNLOADS YOUTH CLASSES AMATEUR CLASSES SERIES RULE BOOK 2018 SCHEDULE SPONSORSHIP INFO FOLLOW US Facebook Twitter Youtube