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2010 KRA Series Class List -
*Spec tires will be mandatory for all classes whether the driver is running for points or not.
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2010 Class (In No Particular Order)
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Weight
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Tires
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Notes
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125cc Shifter
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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
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YKC
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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
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Yamaha Junior Sportsman
(Class #1) |
250 lbs
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YKC
450x5 and/or 600x5
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Air Boxes Mandatory
8-12 years old
All Drivers Must Use an SFI Approved Ribvest
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Yamaha Junior Sportsman
(Class #2) |
250 lbs
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YKC
450x5 and/or 600x5
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Air Boxes Mandatory
8-12 years old
All Drivers Must Use an SFI Approved Ribvest
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Cadet Junior Sportsman
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235 lbs
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YKC
450x5 and/or 600x5
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8-12 years old
Comer K-80
All Drivers Must Use an SFI Approved Ribvest
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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
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Sportsman
YKC 450x5 and/or 600x5
Junior
YKC
450x5 front
600x5 rear
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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
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Yamaha Junior Can
(Class #1) |
305 lbs
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YKC
450x5 front
600x5 rear
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Air Boxes Mandatory
12-15 years old
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Yamaha Junior Can
(Class #2)
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305 lbs
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YKC
450x5 front
600x5 rear
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Air Boxes Mandatory
12-15 years old
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Komet KPV Junior
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315 lbs
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YKC
450x5 front
600x5 rear
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KPV2 Pipe
Air Boxes Mandatory
12-15 years old
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Clone Engine Class
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365 lbs
This is lower than WKA rules
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Open Tires
5" or 6", Any width
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15 and up
WKA International Class Engine Rules
$200 Engine Claim Rule
Yellow or Blue Clone Engines Allowed
NCMP track race gas only, must pass tech
Scroll down to bottom of page for complete rules
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F200 4 Cycle Class
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365 lbs
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Burris Tires
450x5 B44A
600x5 B44A
710x5 B44A
Any Combination
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15 and up
RLV Muffler Mandatory
Engine Rules Available Here
Yamaha F200, Briggs Animal, Kohler CC6, Tecumseh 5.5 and Honda GX200 Engines
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| Briggs Animal Senior Heavy |
375 lbs
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YKC
2 - 450x5 Fronts
5 1/2" Wheel Max
2 - 710x5 Rears
8" Wheel Max
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15 and up
RLV Muffler Mandatory
Animal OHV Engine Only
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| Yamaha Senior Pipe |
350 lbs
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YKC
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Air Boxes Mandatory
15 and up
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| HPV 4 (Will Run with Yamaha Senior Pipe and scored together) |
350 lbs
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YKC
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Air Boxes Mandatory
15 and up
HPV Must run HPV3 or HPV4 Pipe at WKA Flex Length
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Yamaha Can Senior
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335 lbs
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YKC
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Air Boxes Mandatory
15 and up
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Yamaha Can Masters
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360 lbs
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YKC
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Air Boxes Mandatory
30 years and up
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| TaG Super Lite |
All Weights LISTED BELOW!
Super Lite
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YKC
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Air Boxes Mandatory
15 and up
WKA Engine Rules
KRA allows aftermarket throttle linkage kits
Solid Flex or Stock Flex is Legal
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| TaG USA Senior |
All Weights LISTED BELOW!
SENIOR
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YKC
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Air Boxes Mandatory
15 and up
WKA Engine Rules
KRA allows aftermarket throttle linkage kits
Solid Flex or Stock Flex is Legal
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| TaG USA Masters |
All Weights LISTED BELOW!
MASTERS
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YKC
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Air Boxes Mandatory
35 and up
WKA Engine Rules
KRA allows aftermarket throttle linkage kits
Solid Flex or Stock Flex is Legal
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Spec TaG Senior
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385 lbs Leopard
365 lbs PRD
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YKC
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Air Boxes Mandatory
11-77 Max Gear
15 years and up
KRA allows aftermarket throttle linkage kits
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| TaG Sportsman |
All Weights LISTED BELOW!
SAME AS MASTERS
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YKC
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Air Boxes Mandatory
Drivers 16 to 44 years old are ineligible IF they have won a KRA Series race or championship
Any Driver 45 and up allowed
WKA Engine Rules
KRA allows aftermarket throttle linkage kits
Solid Flex or Stock Flex is Legal
Any Chassis Allowed
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| Unlimited (Will Run with Shifter) |
Weights and Rules Listed Below
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YKC
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Air Boxes Mandatory
15 and Up
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| Kid Karts |
150 lbs
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Max Tire Width 550x5
Open Compound
Max Rear Tire Circumference
33 3/4"
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Rules Here
Class will Qualify and Race
5-7 years old
All Drivers Must Use an SFI Approved Ribvest
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KRA Clone Class Rules -
WKA International Engine Rules Available Here - Rules that apply are Sections 710 to 710.20
$200 Engine Claim Rule, does not include any external aftermarket bolt on parts including the clutch, exhaust system, engine mount, chain guard, fuel pump, throttle linkage assembly, filter cup, top plate
In the event a driver declines having their engine claimed by another competitor, they will be disqualified from that days race and lose their points for that race day in the clone class, claimers must have ran in the clone class that day. A claimer must present $200 cash to the tech director before the claimed engine has been released from tech. If a claimed engine fails tech then the claimer's money will be returned.
Yellow or Blue Clone Engines Allowed
Exhaust Pipe is Open, Must Have RLV Stock Class Muffler
NCMP track 100 octane race gas only, must pass tech
Bodywork can be European CIK bodywork or traditional 4 cycle bodywork
KRA TaG/USA Class Weight Structure -
TaG Super Lite -
PRD, Easy Kart - 325 lbs.
Leopard, Rotax - 335 lbs.
All Other Engines - 355 lbs.
Tag Senior Class -
PRD, Easy Kart - 350 lbs.
Leopard, Rotax - 360 lbs.
All Other Engines - 380 lbs.
TaG Masters/Sportsman -
PRD, Easy Kart - 375 lbs.
Leopard, Rotax - 385 lbs.
All Other Engines - 400 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 -
YKC Bridgestone Tires, 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!
Spec TaG Class -
The Spec Class in the KRA Series is a single make purpose built spec chassis with a sealed TaG Leopard Engine. The spirit and intent of the Spec Class will be to offer a turnkey, low maintanance, competitive package to any karter. Drivers will be able to adjust seat position, front or rear bar adjustments, tire pressures and front/rear track width.
Hub size, axle material/hardness, wheel type and size, tires and engine/exhaust will be fixed and unchangeable. The class will also have a maximum gear ratio to control engine RPM and run a spec fuel/oil premix. The hope is for this class to bring karting back to the driver and tuner, not who has the best engine or trick parts, as well as make the kart virtually maintenance free.
Karts will be available with YKC Tires, Aluminum Wheels, Shell Seat, Parilla Leopard Engine or PRD Engine, CIK Bodywork and Mychron 4 Basic. Unassembled Kits are available for less. Contact us for additional information or to purchase a Spec TaG chassis!
KRA Spec Tag Rules
Spec TaG Photos -
Engine
Top
Spindle
Top Front
Chain
Top
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