Heart of Texas Kart Club class Structure

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Age: 5-8

Comer 50 or Honda GXH 50

Comer: 10 tooth front, 89 tooth rear, Honda GXH50: 15/16 tooth front, 89 tooth rear .

Kid Kart Chassis

40 inche max front width

42 inches max rear width

40 inches minimum rear width

160 Pounds Weight Minimum for both motors.  

All kid karts will run together.  However, they will be scored separately if running different motors.

Age: 7-10

IAME Swift 60cc with restrictor

EVINCO Blue tires.

Spark Plug:  NGK BR_EG or B_EG or DENSO W_ESZU or Autolite AR50, AR51, AR52 and AR53.  

Exhaust Header : IAME Part#  A85365 ,                  16mm diameter

Minimum weight: 220 Pounds

Age: 8-12

Cadet size Chassis

Green Slide ( #555740 ) (.490")

Carb lock mandatory

Tires: Evinco Blue 

50 inches Max rear width

 spark plug: AutoLite AR3910X UNALTERED .  Sealing washer must be in place, 

 Minimum Weight: 240 Pounds

Age: 12-15

Full Size chassis

Yellow Slide (#555741) (.570")

Carb Lock Mandatory

Tires: Evinco Blue

55 1/8 inches max rear width
Spark Plug: AutoLite AR3910X  UNALTERED .  Sealing washer must be in place, 

Minimum Weight:  310 Pounds 

Ages 16 +

Black Slide

Tires: Evinco Blue 

Max rear width: 55 1/8 inches

Spark Plug: AutoLite AR3910X  UNALTERED .  Sealing washer must be in place, 

Minimum Weight: 360 

Ages 16+

Black Slide

Tires: Evinco Blue 

Max rear width: 55 1/8 inches

Spark Plug: AutoLite AR3910X UNALTERED. Sealing washer must be in place, 

Minimum Weight: 390 Pounds 

Ages 12-15

 KA and VLR motors 

Tires: Evinco Blue 

Minimum Weight: 320 pounds 

Max rear width: 55 1/8 inches

KA will follow SKUSA Rule book

VLR will follow ROK CUP USA rules

Ages 16+

KA and VLR motors

Tires: Evinco Blue 

Minimum Weight: 360 pounds

Max rear width: 55 1/8 inches

KA will follow SKUSA Rule book

VLR will follow ROK CUP USA rules

Ages 15+

Full size Sprint racing chassis

Minimum Weight: 360 pounds 

Max rear width: 55 1/8 inches

125cc max

Tires: Evinco Red or Blue

Fuel: C12 or Pump gas.  No alcohol or similar

Ages 16+

Full size Sprint racing chassis

Max rear width: 55 1/8 inches

125cc max

Tires: Evinco Red or Blue

Fuel: C12 or Pump gas.  No alcohol or similar