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

251-505CC   A

251-505CC   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+ YEAR OLD AND OVER

​QUAD B OPEN 16+ YEAR 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