2025 Top Qualifier Cups Presented By
Wristband and Hard Card Lanyard Sponsor
The following documents define the competition rules for our series. It is your job to read and understand these before competing.
As of 2020, the SKUSA rulebook will be the competition rulebook for TSRS. The IKF rulebook will cover any class rules not outlined by SKUSA. All race vehicle standards will be taken from SKUSA, except Kid Kart chassis specific. All operational rules such as flags, starts and penalties will be taken from SKUSA rulebook. SKUSA rulebook section 307.15 on chain guards will apply to all classes. Any rules specific to micro/mini will also be applicable for ALL cadet classes. See Class Structure Tab for specific class information and specs.
• Driver Ewaiver (only complete once in 2025, for minors please start at Parent waiver and be sure to take minors photo on minor waiver and adult photo on adult waiver) This waiver may also be used for hard cards or completed to allow bands to be picked up while guest is not present, otherwise paper waivers are available for any spectators.
• SKUSA Competition Rules [SKUSA Website]
• Current Briggs & Stratton Rules [Briggs Racing Website]
• 206 Bodywork Supplemental Rules (updated January 2025)
• Official IKF Rules and Updates [IKF Website]
• 206 Kid Kart Supplemental Rules (updated January 2025)
• Engine and Chassis Sealing Procedures All chassis and engines MUST be sealed for each event, seal will be provided.
• Supplemental Bulletin (Update 2/5/2025)
• Points Guidelines [PDF] (updated November 2021)
• Pretech Form not required for 2025 – Review rulebook, all race tires and seals will only be scanned in
Micro Swift
Age: 7-10
MINIMUM WEIGHT: 220 pounds
ENGINE: IAME 60cc Swift 16mm exhaust header
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X4.60-5 rear; Max Rear tire circumference is thirty three & three quarter (33.75) inches. / Rain – MG SW2*
NUMBERS: 200-299
Fuel/Oil: Sunoco Supreme/ ELF HTX909 SAE 50
SKUSA MEMBERSHIP REQUIRED
Mini Swift
Age: 9-13
MINIMUM WEIGHT: 245 pounds
ENGINE: IAME 60cc Swift
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X4.60-5 rear; Max Rear tire circumference is thirty three & three quarter (33.75) inches. / Rain – MG SW2*
NUMBERS: 100-199
Fuel/Oil: Sunoco Supreme/ ELF HTX909 SAE 50
SKUSA MEMBERSHIP REQUIRED
KA100 Junior
Age: 12-15
MINIMUM WEIGHT: 320 pounds
ENGINE: IAME 100cc KA100
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X7.10-5 rear / Rain – MG SW2*
NUMBERS: 800-899
Fuel/Oil: Sunoco Supreme/ ELF HTX909 SAE 50
SKUSA MEMBERSHIP REQUIRED
KA100 Senior
Age: 15+
MINIMUM WEIGHT: 355 pounds
ENGINE: IAME 100cc KA100
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X7.10-5 rear / Rain – MG SW2*
NUMBERS: 900-999
Fuel/Oil: Sunoco Supreme/ ELF HTX909 SAE 50
SKUSA MEMBERSHIP REQUIRED
KA100 Master
Age: 21+
MINIMUM WEIGHT: 390 pounds
ENGINE: IAME 100cc KA100
TIRES: Evinco SKH2 10X4.60-5 front, 10X7.10-5 rear / Rain – MG SW2*
NUMBERS: 400-499
Fuel/Oil: Sunoco Supreme/ ELF HTX909 SAE 50
SKUSA MEMBERSHIP REQUIRED
Shifter
Age: 15+
MINIMUM WEIGHT: 400 KZ*, 385 Rok 125*
ENGINE:
TIRES: Evinco Red SKM2 10X4.60-5 front, 10X7.10-5 rear / Rain – MG SW2*
NUMBERS: 10-99
Fuel/Oil: Sunoco Supreme/ ELF HTX909 SAE 50
Ruleset: ROK to follow current ROK ruleset, KZ per SKUSA
SKUSA MEMBERSHIP REQUIRED
206 Kid Karts*
Age: 5-8
MINIMUM WEIGHT: 200 pounds- Kid Kart Chassis
215 pounds – Cadet Chassis
ENGINE: LO206 Senior Engine with 4100 rev limiter. Carb Lock Required. Black Junior Slide (Part#555732) .310 slide RLV #5507 Pipe. To be run in accordance with the current Briggs & Stratton rule set. No deviations permitted.
CLUTCH / GEAR: MaxTorque Part#555727 only/ 17/57 Gear Ratio, #35 chain
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X4.60-5 rear; Max Rear tire circumference is thirty three & three quarter (33.75) inches. / Rain – MG SW2*
NUMBERS: 5-99
Fuel/Oil: Pump fuel designated per event*/ Per Briggs
206 Cadet
Slide: Green .490
Age: 7-13
MINIMUM WEIGHT: 245 pounds
ENGINE: LO206 Senior Engine with 6100 rev limiter. Carb Lock Required. Slide .490 (Green). To be run in accordance with the current Briggs & Stratton rule set. No deviations permitted.
CLUTCH / GEAR: Per Briggs & Stratton Rule Set. Gear is open.
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X4.60-5 rear; Max Rear tire circumference is thirty three & three quarter (33.75) inches. / Rain – MG SW2*
NUMBERS: 200-299
Fuel/Oil: Pump fuel designated per event* / Per Briggs
206 Junior
Slide: Yellow .570
Age: 12-15
MINIMUM WEIGHT: 320 pounds
ENGINE: LO206 Senior Engine with 6100 rev limiter. Carb Lock Required. Slide .570 (Yellow). To be run in accordance with the current Briggs & Stratton rule set. No deviations permitted.
CLUTCH / GEAR: Per Briggs & Stratton Rule Set. Gear is open.
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X6.0-5 rear / Rain – MG SW2*
NUMBERS: 300-399
Fuel/Oil: Pump fuel designated per event*/ Per Briggs
206 Senior
Age: 15+
Slide: Black
MINIMUM WEIGHT: 360 pounds
ENGINE: LO206 Engine. To be run in accordance with the current Briggs & Stratton rule set. No deviations permitted.
CLUTCH / GEAR: Per Briggs & Stratton Rule Set. Gear is open.
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X6.0-5 rear / Rain – MG SW2*
NUMBERS: 600-699
Fuel/Oil: Pump fuel designated per event*/ Per Briggs
206 Heavy – Not Offered in 2025
Age: 15+
Slide: Black
MINIMUM WEIGHT: 390 pounds
ENGINE: LO206 Engine. To be run in accordance with the current Briggs & Stratton rule set. No deviations permitted.
CLUTCH / GEAR: Per Briggs & Stratton Rule Set. Gear is open.
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X6.0-5 rear / Rain – MG SW2*
NUMBERS: 500-599
Fuel/Oil: Pump fuel designated per event*/Per Briggs
Please note all class changes with (*) have been adjusted for the 2025 season. Major updates: only MG SW2 rain tires,
Any other classes added to any event will use current SKUSA/IKF class structure.
All ages listed are based on the SKUSA rulebook age rules. Please review for further clarification.
Classes may be combined or separated based on actual class entry