Kid Kart, Exhibition Class
Only C51 engine allowed.
IKF rules – Competition rules for engine only, IKF sec 622.51 – 622.51.21
MG  HZ tires
MS98 fuel
Proof  of age on file required.
Age- 5-8 Attained age. As of 8th birthday driver cannot compete in this class.
Weight – 150 lbs.
Data acquisition optional

Rookie Sportsman (pipe)
IKF rules.
Cadet Chassis.
MG  HZ tires
MS98 fuel
Age- 8 – 11 (Option year applies)
Weight – 235 lbs.

Cadet
IKF Rules
Cadet Chassis.
MG  HZ tires
MS98 fuel
Age- 8 – 11 (Option year applies)
Weight – 240 lbs

HPV-2 Junior
IKF Rules
Full size chassis
MG  HZ tires
MS98 fuel
Age – 12 – 15 (Option year applies)
Weight – 310 lbs

Shifter Jr
Teched per SKUSA Rules
Full size chassis
MS98 fuel
Stock Moto with restrictor
MG  FZ tires
Age – 12 – 15
Weight – 340 lbs

Super Sportsman Heavy (pipe)
IKF Rules
Full size chassis
MG  HZ tires
MS98 fuel
Age – 16 – Up
Weight – 360 lbs



HPV4
IKF Rules
Full size chassis
MG  HZ tires.
MS98 fuel
Age – 16 – Up
Weight – 340 lbs


Tag Sr.
IKF Rules
Full size chassis
MG  HZ tires
MS98 fuel
Age – 16 – Up
Weight – All Engine Packages 370 Lbs, Except:
Sonik TX 125, Vortex Rok 125 – 385 lbs

Tag Masters
IKF Rules
Full size chassis
Biland engine Allowed
MG  HZ tires
MS98 fuel
Age – 16  and up (drivers under 35 must weigh at least 200 lbs race ready)
Weight – 30 lbs added to all senior engine packages.

Shifter Lite
Teched per SKUSA Rules
Full size chassis
MS98 fuel
Stock Moto
MG  FZ tires
Age – 15 – Up
Weight – 385 lbs

Shifter Heavy
Teched per SKUSA Rules
Full size chassis
MS98 fuel
Stock Moto
MG  FZ tires
Age – 30 – Up
Weight – 415 lbs

ICC & Built Moto
Teched per SKUSA Rules
Full size chassis
MS98 fuel (VP 110 allowed for Moto)
ICC or Moto
MG  FZ tires.
Age – 15 – Up
Weight – 415 lbs

Note:   Classes dependent upon kart count, minimum 4 Karts in class for trophy's.
These classes are for club racing only, please check AZ Championship Series page for classes in that series.