2020 LUCKY THUMB DIRT TRACK CLASSES 0-51CC JUNIOR – PEE WEE SHAFT DRIVE / MULTI-SPEED 4-8 YR OLD 0-51CC SENIOR - CHAIN 4-8 YEAR OLD 52-65CC 6-11 YEAR OLD 66-85CC 7-15 YEAR OLD 86-250CC OPEN 251CC + OPEN SINGLE 251-505CC AMATEUR 251CC + OPEN TWIN VETERAN 35+YEARS OLD 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