2025 Top Qualifier Cups Presented By
Micro Swift
Age: 7-9
MINIMUM WEIGHT: 220 pounds
ENGINE: IAME 60cc Swift 16mm exhaust header
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X4.60-5 rear / Rain – MG SW2* Max Rear tire circumference is thirty three & three quarter (33.75) inches.
NUMBERS: 200-299
Fuel/Oil: Sunoco Supreme/ ELF HTX909 SAE 50
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 / Rain – MG SW2* Max Rear tire circumference is thirty three & three quarter (33.75) inches.
NUMBERS: 100-199
Fuel/Oil: Sunoco Supreme/ ELF HTX909 SAE 50
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
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
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
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
206 Kid Karts*
Age: 5-8
MINIMUM WEIGHT: 200 pounds- Kid Kart Chassis
215 ponds – cadet Chassis
ENGINE: LO206 Senior Engine with 6100 rev limiter. Black Junior Slide (Part#555732) .310 slide RLV #5507 Pipe
CLUTCH / GEAR: MaxTorque Part#555727 only/ 17/57 Gear Ratio, #235 chain
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X4.60-5 rear / Rain – MG SW2*, Max Rear tire circumference is thirty three & three quarter (33.75) inches.
NUMBERS: 5-99
Fuel/Oil: TBD*/ 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 IKF rule set. No deviations permitted.
CLUTCH / GEAR: Per IKF Rule Set. Gear is open.
TIRES: EVINCO SKH2 Blue 10X4.60-5 front, 10X4.60-5 rear / Rain – MG SW2*, Max Rear tire circumference is thirty three & three quarter (33.75) inches.
NUMBERS: 200-299
Fuel/Oil: TBD* / Per Briggs
206 Junior
Slide: Yellow .570
Age: 12-15
MINIMUM WEIGHT: 320 pounds
ENGINE: LO206 Senior Engine with 6100 rev limiter. Slide .570 (Yellow). To be run in accordance with the current IKF rule set. No deviations permitted.
CLUTCH / GEAR: Per IKF 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: TBD*/ Per Briggs
206 Senior
Age: 15+
Slide: Black
MINIMUM WEIGHT: 360 pounds
ENGINE: LO206 Engine. To be run in accordance with the current IKF rule set. No deviations permitted.
CLUTCH / GEAR: Per IKF 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: TBD*/ 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 IKF rule set. No deviations permitted.
CLUTCH / GEAR: Per IKF 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: TBD*/Per Briggs
Please note all class changes with (*) have been adjusted for the 2025 season.
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