2017 LUCKY THUMB DIRT TRACK CLASSES


​

0-51CC PEE WEE SHAFT DRIVE   4-8 YEAR OLD,

0-51CC MULTI-SPEED     4-8 YEAR OLD,

0-51CC CHAIN    4-8 YEAR OLD 

52-65CC    6-11 YEAR OLD

66-85CC   7-15 YEAR OLD

86-250 CC OPEN

251 CC + OPEN SINGLE

251-505 CC   A

251-505 CC   B

251 CC +  OPEN TWIN

VETERAN 30+ YEARS OLD

SENIOR 45+  YEARS OLD

VINTAGE 0-400CC (AIR COOLED 1990 AND OLDER)

VINTAGE 401CC + OPEN (1988 AND OLDER)

QUAD A OPEN  16 YEARS OLD AND OVER

​QUAD B OPEN 16 YEARS OLD AND OVER

MOTORCYCLE COMBO CLASS    16 YEARS OLD AND OVER

QUAD COMBO CLASS  16 YEARS OLD AND OVER

​THIS IS NOT RACE ORDER, ALL AMA AND D-14 RULES  APPLY