All minimum weights below include kart with driver. All karts are to be weighed as they leave the track following a scored race heat or final.
Tulsa Kart Club reserves the right to determine the class eligibility of any driver.
Other classes may be added as entries warrant (minimum of three entrants per additional class).
Kid Karts
Spec kart class with stock 50cc Comer engine per KART rules.
Ages: 5 - 8
Minimum Weight: 150 lbs.
Junior 1
Cadet or full-size kart, with Yamaha KT-100 with Walbro WB-55 carburetor, Comer 80cc per 2008 KART rules, or F4 engine per TKC specs.
Novice class available for beginners, drivers eligible for 1 year only.
Ages: 7* - 11
Minimum Weight (Yamaha): 235 lbs.
Minimum Weight (Comer): 215 lbs.
Minimum Weight (F4): 225 lbs.
* 7 year old Junior 1 drivers must be approved by TKC Management.
Sportsman
Full-size kart, with Yamaha KT-100. 4 hole exhaust can, Walbro WB-3 carburetor.
Ages: 12 - 16
Minimum Weight (Junior): 305 lbs.
TaG Classes
Karts per TAG USA spec as of March 1, 2009, with local exceptions as follows:
May start on grid using auxiliary starter without penalty
May use any 2 cycle oil
TKC may determine approved tires
Must meet Senior weight if using Senior header
TaG - Ages: 12 and up
TaG Senior Heavy - Ages: 16 and up
All Minimum Weights Based On Engine Package (see official rules document)
Formula 4
Full size chassis, using TKC F-4 or AKRA four stroke engine.
Ages: 12 and Up
Minimum Weight (F-4 Light): 315 lbs.
Minimum Weight (F-4 Medium): 355 lbs.
Super Sumo
Full size chassis, using one of the following engine packages.
Ages: 15 and Up
Minimum Weight (F-4 TKC Super Spec): 450 lbs.
Minimum Weight (KT 100 4-hole can): 410 lbs.
Minimum Weight (KT 100 Pipe): 445 lbs.
125cc Shifter Kart
Full-size chassis, any moto gearbox or ICC engine.
Ages: 16 and up
Minimum Weight: TBD
