ROOKIE
Age 6-8
Engine: Clone .375 Red Restrictor Plate National Karting Alliance Rules (NKA)
Engine: Flathead .375 Black Restrictor Plate, IKF Flathead Rules  
CLONE Kart Weight 235lbs Fuel: 87 Octane Pump Gas 
FLATHEAD Kart Weight 235lbs Fuel: Methanol 
*Chest Protectors with SFI 20.1 Certification Mandatory for all JR 1 Drivers 
Junior 1 NON Points Class 
Age 8 - 12
Engine: Clone .425 Green Restrictor Plate National Karting Alliance Rules (NKA)
Engine: Flathead .440 APS IKF Blue Restrictor Plate, IKF Flathead Rules  
CLONE Kart Weight 270lbs Fuel: 87 Octane Pump Gas 
FLATHEAD Kart Weight 250lbs Fuel: Methanol 
*Chest Protectors with SFI 20.1 Certification Mandatory for all JR 1 Drivers 
Junior 1 POINTS Class
Age 8 - 12
Engine: Clone .425 Green Restrictor Plate National Karting Alliance Rules (NKA)
Engine: Flathead .440 APS IKF Blue Restrictor Plate, IKF Flathead Rules  
CLONE Kart Weight 270lbs Fuel: 87 Octane Pump Gas 
FLATHEAD Kart Weight 250lbs Fuel: Methanol 
*Chest Protectors with SFI 20.1 Certification Mandatory for all JR 1 Drivers 
Junior 2 NON Points 
Age 12 - 15
Engine: Clone .550 Blue Restrictor Plate National Karting Alliance Rules (NKA)
Engine: Flathead .530 APS IKF Red Restrictor Plate, IKF Flathead Rules  
CLONE Kart Weight 320lbs Fuel: 87 Octane Pump Gas 
FLATHEAD Kart Weight 300lbs Fuel: Methanol 
Junior 2 POINTS Class
Age 12 - 15
Engine: Clone .550 Blue Restrictor Plate National Karting Alliance Rules (NKA)
Engine: Flathead .530 APS IKF Red Restrictor Plate, IKF Flathead Rules 
CLONE Kart Weight 320lbs Fuel: 87 Octane Pump Gas 
FLATHEAD Kart Weight 300lbs Fuel: Methanol 
Adult STOCK HEAVY
Age 16 - UP
Kart and Driver Weight 375lbs
Engine: Flathead ONLY, IKF Flathead Rules 
Fuel: Methanol 
Adult CLONE HEAVY 
Age 16 - UP
Kart and Driver Weight 375lbs
Engine: Clone ONLY, National Karting Alliance Rules 
Fuel: 87 Octane Pump Gas 
OPEN  - Age 16 & UP
Engine must be a 4 Cycle Engine
No Weight
Fuel:Open
*WMS Speedway will Use 87 Octane Pump Gas From 24/7 Travel Store (pump #1) in WaKeeney as a Baseline for Spec Fuel