2021 LUCKY THUMB DIRT TRACK CLASSES 0-51CC PEE WEE PRODUCTION SHAFT DRIVE 4-8 YR OLD 0-51CC PRODUCTION MULTI-SPEED 4-8 YR OLD 0-51CC SENIOR - PRODUCTION CHAIN 7-8 YEAR OLD 52-65CC 7-11 YEAR OLD 66-85CC 7-15 YEAR OLD 86-250CC OPEN 251CC + OPEN SINGLE 251-505CC A 251-505CC B 251CC + OPEN TWIN VETERAN 30+YEARS OLD SENIOR 45+YEARS OLD SUPER SENIOR 60+YEARS OLD VINTAGE 0-400CC (AIR COOLED 1988 AND OLDER) VINTAGE 401CC + OPEN (1988 AND OLDER) WILDCAT CLASS 80-200cc AIR COOLED 4-STROKE 12YRS OLD AND OVER MOTORCYCLE COMBO CLASS 15 YEARS OLD AND OVER QUAD OPEN COMBO CLASS
THIS IS NOT RACE ORDER ALL AMA AND D14 RULES APPLY
