Mower Classification

MM (MINI MOW) Class
AGES 6-11

MM (MINI MOW) Class

USLMRA Mower Specifications:
  • Cutting blades must be removed
  • 6.5 hp maximum (212cc Predator motor is suggested)
  • 3,650 rpm maximum
  • 6:1 final drive ratio
  • 39″ – 49″ wheelbase
  • 5″ – 6″ diameter aluminum wheels
  • 12″ maximum rear tire diameter
  • 2-1/2″ minimum ground to frame distance
  • centrifugal clutch only

JP Class
AGES 9-15

JP Class

USLMRA Mower Specifications:
  • Cutting blades must be removed
  • 33 ci and under (stock)
  • 3,650 rpm maximum
  • 8:1 final drive ratio
  • 39″ minimum unaltered wheelbase
  • 42″ minimum for GP, which can be raced with gear changes
  • 5″ minimum front wheels
  • 8″ minimum back wheels
  • 16″ maximum rear tire diameter as written on the sidewall
  • 4″ minimum ground to frame distance

GPS Class
AGES 11 AND UP

GPS Class

USLMRA Mower Specifications:
  • Cutting blades must be removed
  • 33 ci and under (stock)
  • 3,650 rpm maximum
  • 42″ minimum unaltered wheelbase
  • 5″ minimum front wheels
  • 8″ minimum back wheels
  • 16″ maximum rear tire diameter as written on the sidewall
  • 4″ minimum ground to frame distance

GPT Class

GPT Class

USLMRA Mower Specifications:
  • Cutting blades must be removed
  • 44 ci v-twin and under (stock)
  • 3,650 rpm maximum
  • 42″ minimum unaltered wheelbase
  • 5″ minimum front wheels
  • 8″ minimum back wheels
  • 16″ maximum rear tire diameter as written on the sidewall
  • 4″ minimum ground to frame distance

SP (S-PREPARED) CLASS

SP (S-PREPARED) CLASS

USLMRA Mower Specifications:
  • Cutting blades must be removed
  • OVER 8.5 HP
  • valve in block, single-cylinder 4 stroke engine
  • 39″min. wheelbase
  • 5″ min. front wheels
  • 8″ min. rear wheels
  • min. 4″ ground clearance to frame
  • min. 2-1/2″ ground clearance to deck
  • must appear stock
  • billet flywheel is mandatory

CP (C-PREPARED) CLASS

CP (C-PREPARED) CLASS

USLMRA Mower Specifications:
  • Cutting blades must be removed
  • 20 HP & under
  • single-cylinder OHV or
  • two-cylinder valve in block (opposed twin), 4 stroke engines
  • 42″min. wheelbase
  • 6″ min. front wheels
  • 8″ min. rear wheels
  • min. 4″ ground clearance to frame
  • min. 2-1/2″ ground clearance to deck
  • must appear stock
  • billet flywheel is mandatory

FXS CLASS

FXS CLASS

USLMRA Mower Specifications:
  • Cutting blades must be removed
  • 33 ci maximum OHV single cylinder, or opposed twin 46 ci maximum
  • 39″ minimum unaltered wheelbase
  • 42″ sidewall to sidewall
  • 5″ minimum front wheels
  • 6″ minimum back wheels
  • aluminum billet flywheel is mandatory
  • hydraulic brakes are mandatory
  • side/crash bars are mandatory
  • 450 pounds WITH driver

FXT CLASS

FXT CLASS

USLMRA Mower Specifications:
  • Cutting blades must be removed
  • V-twin vertical or horizontal 24 hp max, 44ci max OEM rated 4 cycle lawnmower equip engines
  • 42″ minimum unaltered wheelbase
  • 42″ sidewall to sidewall
  • 5″ minimum front wheels
  • 6″ minimum back wheels
  • aluminum billet flywheel is mandatory
  • hydraulic brakes are mandatory
  • side/crash bars are mandatory
  • closed loop rear bumpers are mandatory
  • 500 pounds WITH driver