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KRA Series Class List -

*Spec tires will be mandatory for all classes whether the driver is running for points or not.

Class Name (In No Particular Order)
Weight
Tires
Notes
125cc Shifter
ICC/Modified Moto 415 lbs
Stock Moto 390 lbs

Both engines will compete head to head with a weight break for the Stock Moto engines

Bridgestone YLM or YLC 450/710x5

Air Boxes Mandatory
15 and up
ICC - SKUSA Engine Rules
Stock Moto - SKUSA Engine Rules for S3 Class
RS Intake Boot Legal
Modified Bottom Ends Can Be Ran with Stock Cylinder, Head, Piston and Ignition Box
Yamaha Junior Sportsman
(Class #1 and #2, Runs Twice)
240 lbs
YLC
450x5
Air Boxes Mandatory
8-12 years old
All Drivers Must Use an SFI Approved Ribvest
Junior Novice Sportsman

Junior Novice

These classes are for less experienced kids and kids that need time to adjust to a racing environment. They are participation classes and not points classes.
Sportsman 250 lbs

Junior 305 lbs
Sportsman YLC 450x5

Junior YLC
450x5 front
600x5 rear
710x5 rear
(710x5 only after race #5)

Sportsman
Yamaha KT100 WA55 Carb
Comer K80 can also be used at 235 lbs
8-12 Years Old
SFI Approved Ribvest Mandatory

Junior Novice
Yamaha KT100 WB3A Carb
12-15 Years Old
SFI Approved Ribvest Recommended
Rookie Yamaha

Yamaha Rookie will run with the Novice classes. Rookie Yamaha will run for points and requires a 3 Hole YBX exhaust.
230 lbs.
YLC 450x5
Yamaha KT100 WA55 Carb
3 Hole YBX Can
7-12 Years Old
SFI Approved Ribvest Mandatory

Yamaha Junior Can
(Class #1 and #2, Runs Twice)
305 lbs
YLC
450x5 front
600x5 rear or 710x5 rear
(710x5 Mandatory after Race #5)
Air Boxes Mandatory
12-15 years old
Briggs LO206 CIK Senior

365 lbs

YLC 450x5 Front, 710x5 Rear

*See rules below for max wheel width

15 and up

Factory Briggs Rules for the LO206 engine

CIK Bodywork and Sprint Style Seats Legal Only

NCMP track race gas only, must pass tech

Scroll down to bottom of page for complete rules

Briggs LO206 Senior

365 lbs

YLC 450x5 Front, 710x5 Rear

*See rules below for max wheel width

15 and up

Factory Briggs Rules for the LO206 engine

NCMP track race gas only, must pass tech

Traditional 4 Cycle Bodywork and Seats Legal, CIK Bodywork and Sprint Seats also legal

Scroll down to bottom of page for complete rules

Briggs LO206 CIK Masters

370 lbs

YLC 450x5 Front, 710x5 Rear

*See rules below for max wheel width

40 years old and up

Factory Briggs Rules for the LO206 engine

NCMP track race gas only, must pass tech

CIK Bodywork and Sprint Style Seats Legal Only

Scroll down to bottom of page for complete rules

Briggs LO206 Junior CIK

This class will run on track with the Yamaha Novice and Rookie Classes

310 lbs

YLC 450x5 Front, 710x5 Rear

*See rules below for max wheel width

12 to 15 years old

Factory Briggs Rules for the LO206 engine

Gold Carb Slide

CIK Bodywork and Sprint Style Seats Legal Only

NCMP track race gas only, must pass tech

Scroll down to bottom of page for complete rules

Briggs LO206 Sportsman CIK

This class will run on track with the Yamaha Novice and Rookie Classes

250 lbs

YLC 450x5

8 to 12 years old

Factory Briggs Rules for the LO206 engine

Green Carb Slide

CIK Bodywork and Sprint Style Seats Legal Only

NCMP track race gas only, must pass tech

Scroll down to bottom of page for complete rules

Yamaha Can Senior
335 lbs
YLC
Air Boxes Mandatory
15 and up
Yamaha Can Masters
360 lbs
YLC
Air Boxes Mandatory
30 years and up
TaG Super Lite
All Weights LISTED BELOW!
Super Lite
YLC
Air Boxes Mandatory
15 and up
WKA Engine Rules

TaG Senior
All Weights LISTED BELOW!
SENIOR
YLC
Air Boxes Mandatory
15 and up
WKA Engine Rules

TaG Heavy
All Weights LISTED BELOW!
HEAVY
YLC
Air Boxes Mandatory
15 and up
WKA Engine Rules

TaG Junior
320 lbs.
YLM
Air Boxes Mandatory
12-15 years old

WKA Engine Rules
Leopard 25mm Header
X30 29mm Header
Unlimited (Will Run with Shifter)
Weights and Rules Listed Below
Any Bridgestone Tire
Air Boxes Mandatory
15 and Up
Kid Karts
150 lbs
450x5 YLC Tires Only

Max Rear Tire Circumference
33"

Rules Here
Class will Qualify and Race
5-7 years old
All Drivers Must Use an SFI Approved Ribvest

The Honda GXH50 will be allowed to run in the class as well.


*Parilla Leopard and Yamaha KT100 Tech Rules are here

KRA LO206 Class -

LO206 Engine Claiming Rule - At the race director’s discretion, the track may ‘claim’ a competitor’s Briggs LO206 engine at any time. The track will supply the competitor with a new, factory sealed engine in direct exchange for the competitors ‘as raced’ engine. If the competitor fails to comply with the claim request, the competitor will be excluded from participating for one year and will forfeit all points acquired to date. The same will apply if a claimed engine is found to be blatantly illegal.

LO206 Engine Rules - Must run RLV 5507 Exhaust Header with 4104 Silencer. All engines must run Factory Briggs rules only. No disc clutches, shoe type only.

NCMP track 93 octane LO206 race gas only, must pass tech


Shoe Type Clutch Only, No Disc Clutches


KRA Briggs LO206 Senior (This is the NON-CIK class) -

Seat - Laydown and Sprint Style seats allowed

Bodywork - Bodywork can be European CIK bodywork or traditional 4 cycle bodywork

Front Wheel Width - 6 1/4" Wide Outside to Outside Max
Rear Wheel Width - 9" Rear Outside to Outside Max


KRA Briggs LO206 CIK and Masters Class Rules -


Seat - Must use sprint style kart seat

Bodywork - Must use any CIK approved European style bodywork. Rear plastic bumper is optional

Front Wheel Width - 5 1/2" x 5" Max Overall Width, Outside to Outside
Rear Wheel Width - 8 3/8" x 5" Max Overall Width, Outside to Outside


KRA TaG Class Weight Structure -

TaG Super Lite -

PRD, Easy Kart - 325 lbs.
Leopard, Rotax, X30 - 335 lbs.
All Other Engines - 345 lbs.

TaG Senior Class -

PRD, Easy Kart - 350 lbs.
Leopard, Rotax, X30 - 360 lbs.
All Other Engines - 370 lbs.

TaG Heavy -

PRD, Easy Kart Leopard - 395 lbs.
X30 - 405 lbs.
All Other Engines - 415 lbs.

Add 20 lbs to the minimum weight if you are running front brakes in any single speed class (does not include shifter class, no additional weight needed)

The Motori 7 engine is NOT allowed in any KRA TaG Class.

Unlimited Class Weight Structure -

Any Bridgestone Tire, No minimum weight. Any single speed purpose built kart engine gas or alcohol (The two speed Rotax DD2 is allowed) is permitted. Carburetor or fuel injection is allowed. Any motor that is deemed possible to produce 40hp or more will be required to use front and rear brakes.

Twin or single engine formulas are permitted. In this day of spec classes in all forms of motorsports this class offers innovation and creativity to the racers. This class is truly UNLIMITED, have fun!


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