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2008 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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2008 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 ICC/Moto
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385 lbs
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YHC
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Air Boxes Mandatory
15 and up
SKUSA Engine Rules
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125cc Stock Moto Shifter
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400 lbs
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YHC
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Air Boxes Mandatory
15 and up
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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YHC
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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YHC
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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YHC
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 255 lbs
Junior 305 lbs
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Sportsman
YHC 450x5 and/or 600x5
Junior
YHC
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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YHC
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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YHC
450x5 front
600x5 rear
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Air Boxes Mandatory
12-15 years old
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F200 4 Cycle Class (Class will run with Yamaha Can Masters)
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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 Flathead Senior Heavy |
365 lbs
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Firestone Tires
500x6 YFA
650x6 YFA
Any Combination
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15 and up
RLV Muffler Mandatory
Flathead Engine Only
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| Briggs Animal Senior Heavy |
365 lbs
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Firestone Tires
500x6 YFA
650x6 YFA
Any Combination
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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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YHC
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Air Boxes Mandatory
15 and up
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| HPV 3 (Will Run with Yamaha Senior Pipe and scored together) |
350 lbs
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YHC
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Air Boxes Mandatory
15 and up
HPV Must run HPV3 Pipe at WKA Flex Length
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Yamaha Can Senior
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335 lbs
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YHC
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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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YHC
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Air Boxes Mandatory
30 years and up
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| TaG USA Senior |
Per TaG USA Rules
All Weights LISTED BELOW!
SENIOR
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YHC
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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 |
Per TaG USA Rules
All Weights LISTED BELOW!
MASTERS
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YHC
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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
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YHC
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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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| Spec Tag Masters |
385 lbs
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YHC
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Air Boxes Mandatory
11-77 Max Gear
35 years and up
KRA allows aftermarket throttle linkage kits
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| TaG Sportsman |
Per TaG USA Rules
All Weights LISTED BELOW!
USE MASTERS
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YHC
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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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YHC
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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 TaG/USA Class Weight Structure -
Rotax Max - 350 Senior, 380 Masters
Parilla Leopard - 355 Senior, 385 Masters
Sonik TX/VX - 385 Senior, 415 Masters (17" Minimum Pipe Length)
Vortex Rok TT - 370 Senior, 400 Masters
Comer - 400 Senior, 415 Masters
Motori Seven with Revlimiter - 365 Senior, 395 Masters
Italsistem - 400 Senior, 415 Masters
PRD Fireball - 355 Senior, 385 Masters
Biland Stealth - 365 Senior, 395 Masters
Easykart 125 - 355 Senior, 385 Masters
BM Jaguar - 355 Senior, 385 Masters
PCR 125 - 400 Senior, 415 Masters
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)
Unlimited Class Weight Structure -
YHC 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 YHC Tires, Aluminum Wheels, Shell Seat, Parilla Leopard 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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