Please Note: If you have a race legal kart that does not fit into one of these classes, we will find a place for you to race! Three or more of the same type of kart will constitute a new class. Come race with GSKA! Click on the class listing for full class details.
Championship Eligible Classes
Non Championship Classes
LO206 Kid Kart Age: 5-8
Weight: 200#
Engine: Briggs & Stratton LO206 #124332-8201, Briggs ruleset
Seal: Factory B&S seals must be intact – no tampering
Ignition: B&S “Black” #555725 – Max RPM: 4,150
Carb Slide: B&S Black # #555732, Opening .310”
Carb Top Lock: B&S #555726 required
Fuel Catch Can: Required for bowl vent tube
Fuel: Spec 87 octane fuel (see detail below)
Air Filter: B&S Green #555729 required – no mods
Spark Plug: Autolite 3910X
Header: RLV 5506 or 5507 – No modifications
Silencer: RLV B-91XL silencer PN# 4104 – No modifications
Clutch: Max Torque Spec clutch
17/57 Gear Ratio, #35 Chain
Tires: Vega VAH Reds 4.60×5 front/rear
Tire max diameter 33.75” as raced (At ambient temp.)
Wet Tires: Wet Tires: 4.20/4.50×5 (Kid Karts will be permitted to race in the rain at the Race Directors discretion.)
Max Wheel Width: 5.625″ on 4.60 front/rear
Chassis: Cadet or Full Size Allowed
Bodywork: CIK Only
LO206 Cadet Green Age: 8-12
Weight: 265#
Engine: Briggs & Stratton LO206 #124332-8201, Briggs ruleset
Seal: Factory B&S seals must be intact – no tampering
Ignition: B&S “Green” #555718 – Max RPM: 6,150
Carb Slide: B&S Green # 555740, Opening .490”
Carb Top Lock: B&S #555726 required
Fuel Catch Can: Required for bowl vent tube
Fuel: Spec 87 octane fuel (see detail below)
Air Filter: B&S Green #555729 required – no mods
Spark Plug: Autolite 3910X
Header: RLV 5506 or 5507 – No modifications
Silencer: RLV B-91XL silencer PN# 4104 – No modifications
Clutch: Drum clutch with a maximum of 9 springs and 6 shoes
Tires: Vega VAH Reds 4.60×5 front/rear
Wet Tires: 4.20/4.50×5 or optional 6.00×5 rear
Max Wheel Width: 5.625″ on 4.60 front/rear
Chassis: Cadet or Full Size Allowed
Bodywork: CIK Only
LO206 Junior Gold Age: 12-15
Weight: 320#
Engine: Briggs & Stratton LO206 #124332-8201, Briggs ruleset
Seal: Factory B&S seals must be intact – no tampering
Ignition: B&S “Green” #555718 – Max RPM: 6,150
Carb Slide: B&S Gold #555741, Opening .570”
Fuel Catch Can: Required for bowl vent tube
Fuel: Spec 87 octane fuel (see detail below)
Air Filter: B&S Green #555729 required – no mods
Spark Plug: Autolite 3910X
Header: RLV 5506 or 5507 – No modifications
Silencer: RLV B-91XL silencer PN# 4104 – No modifications
Clutch: Drum clutch with a maximum of 9 springs and 6 shoes
Tires: Vega VAH Reds 4.60×5 front/rear or optional 6.00×5 rear
Wet Tires: 4.20/4.50×5 or optional 6.00×5 rear
Max Wheel Width: 5.625″ on 4.60, 8.50″ on 6.00
Chassis: Full Size
Bodywork: CIK Only
LO206 Senior Lite Age: 15 & up
Weight: 340#
Engine: Briggs & Stratton LO206 #124332-8201, Briggs ruleset
Seal: Factory B&S seals must be intact – no tampering
Ignition: B&S “Green” #555718 – Max RPM: 6,150
Carb Slide: B&S Black # 555590
Fuel Catch Can: Required for bowl vent tube
Fuel: Spec 87 octane fuel (see detail below)
Air Filter: B&S Green #555729 required – no mods
Spark Plug: Autolite 3910X
Header: RLV 5506 or 5507 – No modifications
Silencer: RLV B-91XL silencer PN# 4104 – No modifications
Clutch: Drum clutch with a maximum of 9 springs and 6 shoes
Tires: Vega VAH Reds 4.60×5 front/rear or optional 6.00×5 rear
Wet Tires: 4.20/4.50×5 or optional 6.00×5 rear
Max Wheel Width: 5.625″ on 4.60, 8.50″ on 6.00
Chassis: Full Size
Bodywork: CIK Only
LO206 Senior Age: 15 & up
Weight: 370#
Engine: Briggs & Stratton LO206 #124332-8201, Briggs ruleset
Seal: Factory B&S seals must be intact – no tampering
Ignition: B&S “Green” #555718 – Max RPM: 6,150
Carb Slide: B&S Black # 555590
Fuel Catch Can: Required for bowl vent tube
Fuel: Spec 87 octane fuel (see detail below)
Air Filter: B&S Green #555729 required – no mods
Spark Plug: Autolite 3910X
Header: RLV 5506 or 5507 – No modifications
Silencer: RLV B-91XL silencer PN# 4104 – No modifications
Clutch: Drum clutch with a maximum of 9 springs and 6 shoes
Tires: Vega VAH Reds 4.60×5 front/rear or optional 6.00×5 rear
Wet Tires: 4.20/4.50×5 or optional 6.00×5 rear
Max Wheel Width: 5.625″ on 4.60, 8.50″ on 6.00
Chassis: Full Size
Bodywork: CIK Only
LO206 Masters Weight: 400# Minimum.
Age: 35 & up or Driver weight of 200# if under the age of 35.
Engine: Briggs & Stratton LO206 #124332-8201, Briggs ruleset
Seal: Factory B&S seals must be intact – no tampering
Ignition: B&S “Green” #555718 – Max RPM: 6,150
Carb Slide: B&S Black # 555590
Fuel Catch Can: Required for bowl vent tube
Fuel: Spec 87 octane fuel (see detail below)
Air Filter: B&S Green #555729 required – no mods
Spark Plug: Autolite 3910X
Header: RLV 5506 or 5507 – No modifications
Silencer: RLV B-91XL silencer PN# 4104 – No modifications
Clutch: Drum clutch with a maximum of 9 springs and 6 shoes
Tires: Vega VAH Reds 4.60×5 front/rear or optional 6.00×5 rear
Wet Tires: 4.20/4.50×5 or optional 6.00×5 rear
Max Wheel Width: 5.625″ on 4.60, 8.50″ on 6.00
Chassis: Full Size
Bodywork: CIK Only
LO206 Legends Age: 50 & up
Weight: 375#
Engine: Briggs & Stratton LO206 #124332-8201, Briggs ruleset
Seal: Factory B&S seals must be intact – no tampering
Ignition: B&S “Green” #555718 – Max RPM: 6,150
Carb Slide: B&S Black # 555590
Fuel Catch Can: Required for bowl vent tube
Fuel: Spec 87 octane fuel (see detail below)
Air Filter: B&S Green #555729 required – no mods
Spark Plug: Autolite 3910X
Header: RLV 5506 or 5507 – No modifications
Silencer: RLV B-91XL silencer PN# 4104 – No modifications
Clutch: Drum clutch with a maximum of 9 springs and 6 shoes
Tires: Vega VAH Reds 4.60×5 front/rear or optional 6.00×5 rear
Wet Tires: 4.20/4.50×5 or optional 6.00×5 rear
Max Wheel Width: 5.625″ on 4.60, 8.50″ on 6.00
Chassis: Full Size
Bodywork: CIK Only
Vintage 4 Cycle Stock Age: 15 & up
Weight: 370#
Engine: Briggs & Stratton Raptor Flathead – Per WKA rules section 701
Fuel: Gas or Methanol
Silencer: RLV B-91XL silencer PN# 4104 – No modifications
Clutch: • Noram GE or Premier Magnum clutch, ONLY.
Tires: Vega VAH Reds 4.60×5 front & 6.00×5 rear
Wet Tires: 4.20/4.50×5 or optional 6.00×5 rear
Max Wheel Width: 6-1/2″ on 4.60’s, 8-1/2″ on 6.00’s
General Vintage Kart Requirements
Eligible karts: 1993 or older. (Updated from 1990 or older)
Front spindle: 5/8” (.625) OD max.
Rear Axle: 1.250” OD max and 1.00” OD minimum.
Rear track width: 50” max.
Steering shaft: Must be solid with a maximum OD of 5/8” (.625).
Bodywork: No bodywork allowed.
Chassis: 1993 or older
Chassis equipped with an adjustable front-end provided by the manufacturer are permitted.
Non-adjustable karts with aftermarket adjustments are not allowed.
Caster/Camber Adjustments:
Karts produced with yoke components for caster or camber adjustments must be set to the centered factory position.
Karts equipped with adjustment pills must use centered pills only. Offset pills are not allowed.
Seats: • Seat rules per CKNA – CIK ruleset.
Drivetrain: 53 tooth minimum rear sprocket size.
#35 chain – ONLY.
Bodywork: None
Vintage 2 Cycle 100cc
Age: 15 & up
Weight: 300#
Engine: Yamaha KT-100, McCullogh 100cc, other period correct 100 cc engines
Engines must be 100cc and stock appearing
Fuel: Spec 87 octane fuel (see detail below)
Silencer: expansion chamber with silencer
Clutch: Optional except no axle clutches
Tires: 56 durometer or higher
Wheel Width: Optional
Chassis: 1990 or earlier
Bodywork: Period Correct
Comer Kid Kart Age: 5-7
Weight: 150#
Engine: Comer C50, C51, C52
Engine Rules: Per current USPKS
Fuel: 93 octane fuel
Clutch: 10 tooth front sprocket
Tire: Vega Red – VAH 4.60 x 5.00
Max rear tire circumference 33.75″
Chassis: Kid Kart
Bodywork: CIK
TaG Rookie Age: 7-10
Weight:245#
Engine: IAME Micro Swift (16mm Header)
Engine Rules: Per current USPKS
Fuel: 110 Octane
Tires: Vega Red VAH 4.60 x 5.00
Chassis: Cadet or Full size
Bodywork: CIK
TaG Cadet Age: 8-12
Weight:225#
Engine: IAME Micro Swift
Engine Rules: Per current USPKS
Fuel: 110 Octane
Tires: Vega Red VAH 4.60 x 5.00
Chassis: Cadet or Full size
Bodywork: CIK
TaG Junior Age: 12-15
Weight: 320#
Engine: IAME X30 (26 mm Header)
Engine Rules: Per current USPKS
Fuel: Spec 110 Octane
Tire: Vega Green 4.60 x 5.00 (front) and 7.10 x 5.00 (rear)
Chassis: full-size
Bodywork: CIK
TaG Senior Age: 15+ Years old
Minimum Weight: 365#
Engine: IAME X30 / IAME Leopard / Rotax / Rotax Senior
Engine Rules: Per current USPKS
Fuel: Spec 110 Octane fuel
Tires: Vega Green
Chassis: Full-size
Bodywork: CIK
TaG Masters Age: 30+ Years Old or 15+ Years Old @ 200+ pounds (in suit – no helmet)
Weight: 400#
Engine: IAME X30 / IAME Leopard / Rotax Senior / Rotax
Engine Rules: Per current USPKS
Fuel: 110 Octane
Tire: Vega Green
Chassis: Full – size
Bodywork: CIK
KA 100 Junior Age: 12-15 Years Old
Weight: 320#
Engine: IAME KA100
Engine Rules: Per current USPKS
Fuel: Spec 110 Octane
Tires: Vega Green
Chassis: Full-size
Bodywork: CIK
KA 100 Senior Age:15+ Years Old
Weight: 360#
Engine: IAME KA100
Engine Rules: Per current USPKS
Fuel: Spec 110 Octane
Tires: Vega Green
Chassis: Full-size
Bodywork: CIK
Briggs LO206 Engine Guidelines
For the latest LO206 Engine Rules, visit the Briggs & Stratton Support Page at https://www.briggsracing.com/support
4 Cycle Fuel Requirements
Spec 4-cycle fuel is 87 octane from:
Ingles Gas Express
631 Veterans Parkway
Barnesville, GA 30204
Map
