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Join the SIMA Kart Racing Club and race at one of the best karting facilities in North America. Whether you are karting for the competition or a family weekend getaway, our club welcomes both. We hope to see you at the next event!


Kid Kart
Age 5-7
Kart must have Honda GX35 engine.  94 pump gas is the approved fuel and no grindng or engine work to be performed on engine. The kart must  be as supplied by manufacture.  (Tire must be an approved kid kart tire)
Rookie JR
Age 8-10 
L0206 w/yellow slide (220 lbs), Gazelle (200 lbs), Mini Swift (205 lbs) unrestricted, 100 Leopard w/17mm,  intake, 2.5mm base gasket & 25mmExhaust (235 lbs) gearing 11 - 81, Rotax Micro Max (230 lbs) RotaxInternational rules except max gear 14-80, X125 w/17mm intake & 22mmExhaust  (240lbs) gearing 11 - 78 (See below for tire rule) ***Cadet Kart Only***
Based on level of experience and time before moving up to JR.1. SIMAreserves the right to move kids in to Jr.1.  Call to be run but scored separately to Jr.1.  *****Class inclusion for future events or Summer series based on participation*****  

TAG Jr. 1
Age 8-11 

 Briggs LO206 (220 lbs), Cadet chassis and yellow slide, Gazelle (200 lbs), Mini Swift (205 lbs) unrestricted, 100 Leopard w/17mm,  intake, 2.5mm base gasket & 25mm Exhaust (235 lbs). Spec gear 11-81, Rotax Micro Max (230 lbs) Rotax International rules except max gearing 14-80, X125 w/17mm intake & 22mm Exhaust  (240lbs) Spec gear 11-78 (See below for tire rule) ***Cadet Kart Only***

TAG Jr. 2 
Age 10-12

100 Leopard w/19mm intake and w/30mm Exhaust (275 lbs), 125 Leopard w/19mm intake and w/25mm Exhaust (275 lbs), X125 w/22mm restrictor and 19mm Intake (275lbs), Rotax Mini Max (265 lbs) Rotax International rules(See below for tire rule)

TAG Jr. 3
Age 13-16

125 Leopard w/30mm Exhaust (320 lbs), 100 Leopard open header (300 lbs),  Rotax (320lbs) under Rotax international Rules,X30 w/31mm Exhaust (320 lbs),X125 w/25mm restrictor (320lbs(See below for tire rule)

TAG Newbie/TAG Pro.
Age 16 up





Age 35+

Grand Masters 
Age 55+

TAG SR. - 125 Leopard (355lbs), Rotax (360lbs) (see. Rotax Rules for engines specs), Rotax Evo (375 lbs), Rok (375 lbs), X30 (365 lbs), Dragon (390lbs), Yamaha (320lbs),  X125T light (370lbs),  X125T heavy (390lbs)

****TAG Newbie, no more than 2 years of karting experience or entry has not competed in two full seasons or not a regular racer.  Race by race review for eligibility to be moved in to TAG PRO.  SIMA reserves the right to decide placement**** (See below for tire rule)

Masters/Grand Masters
125cc Leopard (375lbs), Rotax (390lbs), Rotax Evo (410lbs), X30 (390lbs), Dragon (410lbs) Yamaha (320lbs), X125T 23mm carb (385lbs),  X125T27mm carb (400lbs)

Expert Shifter/ Sportsman Shifter
Age 16 up

Stock – Moto, Honda, TM Tag ICC (385lbs), X125S (395lbs) Modified Honda, ICC, TM Cross (410lbs(See below for tire rule)
4 Stroke Sr light, Heavy and Junior

LIGHT - Engine rules as per IKF.  Light weights as follows (Stock) Clone (345lbs), (Stock) Honda (345lbs). Either modified engines (365 lbs), LO206 (355lbs)  World Formula (420lbs

HEAVY -  (
Stock) Clone (365lbs), (Stock)  Honda (365lbs).  Either modified engines (380 lbs), LO206 (390lbs) World Formula (435lbs

Jr. 1 - Ages 7-11 Briggs LO-206 (240lbs).  If combined with Jr.1 (220lbs) Cadet chassis and yellow slide.

Jr. 2 - Ages 12 - 15 Briggs LO206 (300lbs).  Full size chassis.

SIMA reserves the right to assign drivers to classes based on engine config and weight*****(See below for tire rule)


  • All Senior Classes - Bridgestone YKC or YLC, MG Yellow, Red & White, Le Cont White, and LeCont Red
  • Jr I,  II and III Class -  Bridgestone YLC or YKC,  Mojo D3, MG Red & Le Cont Red.  Jr.1 can only use 4.50 sizes front and rear. Jr.2 and up can use 7.10 for all Jr classes.
  • Approved rain tires are MG, Bridgestone, Le Cont purple and Mojo

 **SIMA reserves the right to adjust weights in order to provide a level playing field. **

Please email for any questions.