Ages: 5 – 8
Weight: 160 lbs
Chassis: Kid Kart
Engine: Honda GXH50 as supplied by Honda Performance Development with engine seal as supplied by Honda Performance Development.
Gear – Chain: Colorado Karting Tour Local Option
15/89 – #219 Chain
– All tracks
Main Jet: Colorado Karting Tour Local Option
– 52s
Technical Regulations: The most current version of Honda Performance Development (HPD) GHX50 Technical Rules, Honda Performance Development (HPD) GXH50 Supplemental Technical Rules, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Tires and Wheels:
– Dry: Evinco Blue SKH2 10×4.60-5 Front and Rear
– Wet: MG SW2 10×4.2-5 Front and Rear
– Max tire circumference 33.75″
– Max tire pressure 20 psi measured hot or cold
– Minimum wheel width 76.2 mm, maximum wheel width 135 mm
Numbers: 1 – 99
Fuel: Maverik 87 Ethanol Free or as announced
Oil: Briggs & Stratton Synthetic 4T Racing Oil

Ages: 7 – 13
Weight: 245 lbs
Chassis: Cadet 889 mm – 950 mm wheelbase
Engine: Briggs and Stratton LO206 Senior Engine with 6100 rev limiter. Carb Lock Required (P/N 555726). Slide .490 (Green). Engine sealing as required by CKT Supplemental Regulations and CKT Local Option.
Gear – Chain: Colorado Karting Tour Local Option
15/45 – #35 Chain
– Grand Junction Motor Speedway
– IMI Motorsports Park
15/47 – #35 Chain
– SBR Motorsports Park
– Colorado Karting Circuit
TBA – #35 Chain
– Pikes Peak International Raceway
Technical Regulations:  The most current version of Briggs and Stratton LO206 United Sates Technical Rule Set, Briggs and Stratton Supplemental Technical Rule Set, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Tires & Wheels:
– Dry: Evinco Blue SKH2 10×4.60-5 Front and Rear
– Wet: MG SW2 10×4.20-5 Front and Rear
– Maximum wheel width 135mm
Numbers: 200 – 299
Fuel: Maverik 87 Ethanol Free or as announced
Oil: Briggs & Stratton Synthetic 4T Racing Oil

206 Junior
Ages: 12 – 15
Weight: 320 lbs
Chassis: NKA Sprint
Engine: Briggs and Stratton LO206 Senior Engine with 6100 rev limiter. Slide .570 (Yellow). Engine sealing as required by CKT Supplemental Regulations and CKT Local Option.
Gear: Gear is open.
Technical Regulations:  The most current version of Briggs and Stratton LO206 United Sates Technical Rule Set, Briggs and Stratton Supplemental Technical Rule Set, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Tires and Wheels:
– Dry: Evinco Blue SKH2 10×4.60-5 Front and 10X6.0-5 Rear
– Wet: MG SW2 10×4.2-5 Front and 11×6.0-5 Rear
– Maximum front wheel width 135 mm
– Maximum rear wheel width 215 mm
Numbers: 400 – 499
Fuel: Maverik 87 Ethanol Free or as announced
Oil: Briggs & Stratton Synthetic 4T Racing Oil

Ages: 15+
Weight: 355 lbs
Chassis: NKA Sprint
Engine: Briggs and Stratton LO206 Senior Engine with 6100 rev limiter. Slide Stock OEM Senior (Black). Engine sealing as required by CKT Supplemental Regulations and CKT Local Option.
Gear: Open
Technical Regulations:  The most current version of Briggs and Stratton LO206 United Sates Technical Rule Set, Briggs and Stratton Supplemental Technical Rule Set, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Tires and Wheels:
– Dry: Evinco Blue SKH2 10×4.60-5 Front and 10X6.0-5 Rear
– Wet: MG SW2 10×4.2-5 Front and 11×6.0-5 Rear
– Maximum front wheel width 135 mm
– Maximum rear wheel width 215 mm
Numbers: 600 – 699
Fuel: Maverik 87 Ethanol Free or as announced
Oil: Briggs & Stratton Synthetic 4T Racing Oil

Ages: 35+ or 15+ and 200 lbs body weight
Weight: 390 lbs
Chassis: NKA Sprint
Engine: Briggs and Stratton LO206 Senior Engine with 6100 rev limiter. Slide Stock OEM Senior (Black). Engine sealing as required by CKT Supplemental Regulations and CKT Local Option.
Gear: Open
Technical Regulations:  The most current version of Briggs and Stratton LO206 United Sates Technical Rule Set, Briggs and Stratton Supplemental Technical Rule Set, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Tires and Wheels:
– Dry: Evinco Blue SKH2 10×4.60-5 Front and 10X6.0-5 Rear
– Wet: MG SW2 10×4.2-5 Front and 11×6.0-5 Rear
– Maximum front wheel width 135 mm
– Maximum rear wheel width 215 mm
Numbers: 500 – 599
Fuel: Maverik 87 Ethanol Free or as announced
Oil: Briggs & Stratton Synthetic 4T Racing Oil

Ages: 8 – 11
Weight: 235 lbs
Chassis: Cadet 889 mm – 950 mm wheelbase
Engine: Rotax Micro Max with engine seal and passport as supplied by Rotax or Rotax Authorized Service Center.
Technical Regulations: The most current version of Race Rotax RMC Technical Regulations, Race Rotax RMC Supplemental Technical regulations, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Gear: 13/68 – 75
Tires and Wheels:
– Dry: Evinco Blue SKH2 10×4.60-5 Front and Rear
– Wet: MG SW2 10×4.20-5 Front and Rear
– Maximum wheel width 135mm
Numbers: 1 – 99
Fuel: VP MS93
Oil: Rotax XPS Mixed at 50:1

Ages: 10 – 13
Weight: 255 lbs
Chassis: Cadet 889 mm – 950 mm wheelbase
Engine: Rotax Mini Max with engine seal and passport as supplied by Rotax or Rotax Authorized Service Center.
Technical Regulations: The most current version of Race Rotax RMC Technical Regulations, Race Rotax RMC Supplemental Technical regulations, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Gear: 13/68 – 75
Tires and Wheels:
– Dry: Evinco Blue SKH2 10×4.60-5 Front and Rear
– Wet: MG SW2 10×4.20-5 Front and Rear
– Maximum wheel width 135mm
Numbers: 100 – 199
Fuel: VP MS93
Oil: Rotax XPS Mixed at 50:1

Ages: 8 – 13
Weight: 245 lbs
Chassis: Cadet 889 mm – 950 mm wheelbase
Engine: IAME Mini Swift or ROK Mini ROK. Engine and Exhaust Pipe sealing as required by CKT supplemental ruleset and CKT local option.
Technical Regulations:
– IAME Mini Swift – The most current version of SKUSA Technical Rulebook, SKUSA Supplemental Technical Rules, IAME Engine Specs, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
– ROK MINI ROK –  The most current version of ROK CUP USA Technical Regulations, ROK CUP USA Technical Regulations Updates, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Gear: Open
Tires and Wheels:
– Dry: Evinco Blue SKH2 10×4.60-5 Front and Rear
– Rain: MG SW2 10×4.20-5 Front and Rear
– Maximum wheel width 135mm
Numbers: 100 – 199
Fuel: VP C12
Oil: Motul Kart Grand Prix 2T, Mixed at 8oz per gallon

Ages: 12 – 15
Weight:
– IAME KA 100 – 310 lbs
– ROK VLR 100 – 310 lbs
Chassis: NKA Sprint
Engine: IAME KA 100 or ROK VLR 100 with Junior Restrictor. Engine and Exhaust Pipe sealing as required by CKT Supplemental Regulations and CKT Local Option.
Technical Regulations:
– IAME KA 100 – The most current version of SKUSA Technical Rulebook, SKUSA Supplemental Technical Rules, IAME Engine Specs, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
– ROK VLR 100 –  The most current version of ROK CUP USA Technical Regulations, ROK CUP USA Technical Regulations Updates, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Gear: Open
Tires and Wheels:
– Dry: Evinco Blue SKH2 10×4.60-5 Front and 10X6.0-5 Rear
– Wet: MG SW2 10×4.2-5 Front and 11×6.0-5 Rear
– Maximum front wheel width 135 mm
– Maximum rear wheel width 215 mm
Numbers: 800 – 899
Fuel: VP C12
Oil: Motul Kart Grand Prix 2T, Mixed at 8oz per gallon

Ages: 15 +
Weight:
– IAME KA 100 – 360 lbs
– ROK VLR 100 – 350 lbs
Chassis: NKA Sprint
Engine: IAME KA 100 or ROK VLR 100. Engine and Exhaust Pipe sealing as required by CKT Supplemental Regulations and CKT Local Option.
Engine Ruleset:
Technical Regulations:
– IAME KA 100 – The most current version of SKUSA Technical Rulebook, SKUSA Supplemental Technical Rules, IAME Engine Specs, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
– ROK VLR 100 –  The most current version of ROK CUP USA Technical Regulations, ROK CUP USA Technical Regulations Updates, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Gear: Open
Tires and Wheels:
– Dry: Evinco Blue SKH2 10×4.60-5 Front and 10X7.1-5 Rear
– Wet: MG SW2 10×4.2-5 Front and 11×6.0-5 Rear
– Maximum front wheel width 135 mm
– Maximum rear wheel width 215 mm
Numbers: 900 – 999
Fuel: VP C12
Oil: Motul Kart Grand Prix 2T, Mixed at 8oz per gallon

Ages: 15 +
Weight:
– KZ – 400 lbs
– ROK – 385 lbs
Chassis: NKA Sprint
Engine: KZ or ROK. Engine and Exhaust Pipe sealing as required by CKT Supplemental Regulations and CKT Local Option.
Engine Ruleset:
Technical Regulations:
– KZ – The most current version of SKUSA Technical Rulebook, SKUSA Supplemental Technical Rules, KZ Engine Specs, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
– ROK –  The most current version of ROK CUP USA Technical Regulations, ROK CUP USA Technical Regulations Updates, Colorado Karting Tour Supplemental Regulations, and Colorado Karting Tour Local Options. No deviations permitted.
Tires and Wheels:
– Dry: Evinco Red SKM2 10×4.60-5 Front and 10X7.1-5 Rear
– Wet: MG SW2 10×4.2-5 Front and 11×6.0-5 Rear
– Maximum front wheel width 135 mm
– Maximum rear wheel width 215 mm
Numbers: 500 – 599
Fuel: VP C12
Oil: Motul Kart Grand Prix 2T