top of page

Spec Tires: The Vega tire will be the spec tire for all Tri-C Karters race series and special event races. Please see the individual class listing below for the required spec Vega tire for each class.

​

Rain Tires:  Rain tires will be open to all brands. 

​​

Spec Fuel: The Sagebrush Classic at Spring Mountain Karting Complex will use Sunoco Supreme 112 or Sunoco pump gas (see class listing below).

​

Mixing of fuel brands or types is ILLEGAL and will result in a DQ.  Any additives, whether they are performance enhancing or not, are ILLEGAL and will result in a DQ (with the exception of manufacturer additives already in the fuel).

 

Sunoco fuel will be available trackside on the race weekend starting Friday morning thru Sunday 10 am.

All fuel may be purchased by the gallon from the Sunoco fuel truck.​​

2026 Race classes

2026 Race Classes

 TaG Micro 

Competition Age: 7-10 years

Weight: 225 lbs.

Tires: Vega XH4 GREEN 4.60/10.0-5 front & Rear

Wheels: No width restrictions

Engine:

  • IAME Micro Swift 60cc restricted header as supplied by manufacturer

  • Vortex Micro Rok 60cc restricted header as supplied by manufacturer

Fuel: Sunoco Supreme 112 (See Spec Fuel above)

Oil:

  • Motul Kart Grand Prix

  • Elf HTX 909 SAE 50

Tech Specs: IAME Swift 60cc and Rok Cup USA Vortex Rok 60cc

Supplemental rules: Tri-C supplemental rules

 100cc Tag Junior 

Competition Age: 12-16 years

Weight: 320 lbs.

Tires: Vega XH4 GREEN 4.60/10.0-5 front & 7.10/11.0-5 Rear

Engine:

  • IAME KA100 with 22mm IAME factory header

Fuel: Sunoco Supreme 112 (See Spec Fuel above)

Oil:

  • Motul Kart Grand Prix

  • Elf HTX 909 SAE 50

Tech Specs: IAME KA100 

Supplemental rules:

 TaG Mini  

Competition Age: 8-13 years

Weight: 245 lbs.

Tires: Vega XH4 GREEN 4.60/10.0-5 front & Rear

Wheels: No width restrictions

Engine:

  • IAME Mini Swift 60cc 

  • Vortex Mini Rok 60cc 

Fuel: Sunoco Supreme 112 (See Spec Fuel above)

Oil:

  • Motul Kart Grand Prix

  • Elf HTX 909 SAE 50

Tech Specs: IAME Swift 60cc and Rok Cup USA Vortex Rok 60cc

Supplemental rules: Tri-C supplemental rules

 100cc Tag Senior 

Competition Age: 15+ years

Weight: 360 lbs.

Tires: Vega XH4 GREEN 4.60/10.0-5 front & 7.10/11.0-5 Rear

Engine:

  • IAME KA100

  • Vortex Rok VLR 100

Fuel: Sunoco Supreme 112 (See Spec Fuel above)

Oil:

  • Motul Kart Grand Prix

  • Elf HTX 909 SAE 50

Tech Specs:

Supplemental rules:

 100cc Tag Master 

Competition Age: 30+ years

Weight: 380 lbs.

Tires: Vega XH4 GREEN 4.60/10.0-5 front & 7.10/11.0-5 Rear

Engine:

  • IAME KA100

  • Vortex Rok VLR 100cc

Fuel: Sunoco Supreme 112 (See Spec Fuel above)

Oil:

  • Motul Kart Grand Prix

  • Elf HTX 909 SAE 50

Tech Specs:

Supplemental rules:

 Briggs Lo206 Jr 1 Cadet 

Competition Age: 7-12 years
Weight: 245 lbs.
Tires: Vega VAH RED 4.60/10.0-5 front & Rear
Engine:

  • Briggs & Stratton LO206

  • Carburetor slide - Blue with Carb lock

Clutch:

  • See Briggs & Stratton LO206 2026 Regulations

  • Gear ratio is open

Fuel: Pump gas (See Spec Fuel above)
Tech Specs:

​

 tillotson t225 Junior 

Competition Age: 12-15 years (updated 3/3/26)
Weight: 320 lbs.
Tires: Vega VAH RED 4.60/10.0-5 front & 6.00/11.0-5 Rear
Engine:

  • Tillotson TPP-225RS

  • Euro spec pipe, header & flex required

Clutch:

  • See Tillotson 2026 US regulations

Fuel: Pump gas (See Spec Fuel above)
Tech Specs:

 opEN sHIFTER Senior 

Competition Age: 15+ years
Weight: 

  • KZ & ICC                                              390 lbs

  • Vortex Rok Shifter                               380 lbs.

  • Honda CR125 "Stock Moto"             370 lbs

  • FZ125 "Stock Moto"                          370 lbs

Tires: 

  • Evinco M "Red"

  • Vega XM4 WHITE

  • LeVanto KRT

  • Vega XH4 GREEN

Engine:

Fuel: Sunoco Supreme 112 (See Spec Fuel above)
Oil:

  • Motul Kart Grand Prix

  • Elf HTX 909 SAE 50

 Briggs Lo206 SENIOr 

Competition Age: 15+ years
Weight: 350 lbs.
Tires: Vega VAH RED 4.60/10.0-5 front & 6.00/11.0-5 Rear
Engine:

  • Briggs & Stratton LO206

  • Carburetor slide - Black (stock)

Clutch:

  • See Briggs & Stratton LO206 2026 Regulations

Fuel: Pump gas (See Spec Fuel above)
Tech Specs:

​

 tillotson t225 Senior 

Competition Age: 15+ years
Weight: 360 lbs. - New weight for 2026
Tires: Vega VAH RED 4.60/10.0-5 front & 6.00/11.0-5 Rear
Engine:

  • Tillotson TPP-225RS

  • Euro spec pipe, header & flex required

Clutch:

  • See Tillotson 2026 US regulations

Fuel: Pump gas (See Spec Fuel above)
Tech Specs:

 opEN sHIFTER master 

Competition Age: 35+ years
Weight: 

  • KZ & ICC                                              390 lbs

  • Vortex Rok Shifter                               380 lbs.

  • Honda CR125 "Stock Moto"             370 lbs

  • FZ125 "Stock Moto"                          370 lbs

Tires: 

  • Evinco M "Red"

  • Vega XM4 WHITE

  • LeVanto KRT

  • Vega XH4 GREEN

Engine:

Fuel: VP 110
Oil:

  • Motul Kart Grand Prix

  • Elf HTX 909 SAE 50

 Kid Kart Tillotson 

Age: 5-7 years (driver must have attained the age of 5 before competing)

Weight: 160 lbs

Tires: Vega VAH RED 4.60/10.0-5 front & Rear​

Engine: 

  • Tillotson 105R Bambino

Clutch: Noram Stinger 18t (factory supplied)

Rear Sprocket: 66t (updated 5/1/26)

Fuel: Shell 91 pump gas 

Tech Specs: Tillotson 105R Bambino

​

bottom of page