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Rules


Karting Rules

Jr 1

Ages: 7-12 years

Clone engines: .425 restrictor plate and a weight of 250#

Flathead engines: .425 restrictor plate and a weight of 250#

Animal engines: Black 3 hole restrictor plate and a weight of 290#

 

Jr 2

Ages: 12-15 years (younger drivers with promoter approval only)

Clone engines: .500 restrictor plate and a weight of 300#

Flathead engines: .500 restrictor plate and a weight of 300#

Animal engines: Gold 3 hole restrictor plate and a weight of 330#

 

Sportsman class (14 years old and up)

370 lb minimum kart and driver

Briggs Animal LO206 sealed gasoline engine with rev limiter (6100 rpm max) as supplied from

Briggs and Stratton ( 2011 IKF rules apply sec 721)

Engine must be ran as supplied by Briggs and Stratton, including recoil starter

Spec header (RLV 5506 or RLV 5507) and muffler required for this class, NO other header will

be allowed to compete, header must be wrapped!

Gasoline only, no additives, no ethanol blended fuel 89-92 octane only

Any centrifugal clutch with a maximum of 3 springs and 3 shoes is allowed. No alterations to

clutch is allowed, except springs, clutch coolers not allowed * NO single or multi disc clutches

allowed

35 chain only! No 219 chain allowed

Steel axle only

No prepping of tires, may be washed with drinkable water only! If you are caught prepping tires

you will not be allowed to race (We will durometer tires!)

CHAIN GUARDS: Must have aluminum, steel or equivalent material chain guard by clutch and

then extend chain guard with safe material to protect drivers arm. Must be secured properly to

protect driver from broken chain.

 

Adult Clone

Adult Clone - 375lbs

AKRA Rules

Wiennie Pipes

 

Animal Pro Heavy Rules-

Weight: 370# minimum

Engines:

Briggs and Stratton Animal as per IKF/WKA stock class rules for methanol

OR Spec IKF Flat Head Blue Wazoom with a .820 bore carb/.255 lift cam -

ALL headers must be wrapped per IKF rules ( safety issue)

This engine is to be run as originally manufactured in Council Bluffs, Iowa (no modifications of

any kind)

 

Jr. Wing (Age 7-12)

300 lb. weight rule

( Can run 2009 Sec. 718 IKF Briggs Gas Animal rules except: Animal must have compression

relief cam, spec pipe and recoil must remain on engine! or you can run IKF, WKA or KART Stock

Methanol Engine, or Clone engine rules)

Animal header: 24 ” max length from header flange ( mount) to end of muffler or flare. Headers

MUST be wrapped from 1” above flange to muffler or flare. ( safety issue)

Header must be “J” style pipe only and MUST stay within the frame rails, muffler if used must be

secured per IKF engine rules, header that exit outside the frame rails will not be allowed to

compete. Header / muffler may not extend behind the rear bumper

Gasoline only, 86-93 octane, no ethanol fuel or fuel additives allowed

AKRA BP Clone engine allowed in Jr.Wing class

Clone MUST use billet flywheel

Header must stay within frame rails ( same as Animal engine) and must be wrapped

CHAIN GUARDS: Must have aluminum, steel or equivalent material chain guard by clutch and

then extend chain guard with safe material to protect drivers arm. Must be secured properly to

protect driver from broken chain.

 

125 Wings (2-cycle only)

Min Weight 375#*

Single cylinder, 2-stroke, Honda, Yamaha, Kawasaki or Suzuki, dirt bike engine

No big bore kits (135cc maximum cylinder displacement)

No lightweight cranks or stroker kits

Must have factory stock stroke and rod length as per manufacturer engine specifications for the

year and model of your engine

Must have complete working clutch, no slipper clutches

After market pipes OK

After market reeds OK

Pump gas only (No Methanol)

No Nitrous Oxide

Must have factory, stock ignition for your engine (no after market adjustable ignitions)

Must have factory, stock rubber intake for your engine

Single fuel pump or safely mounted gravity fuel tank

Single carburetor only, No Fuel injection or pump around system of any kind

-125, 250 and 500 Wing Kart classes will only be allowed to run one Radiator (std CR racing

size and cap.) and standard 3/4" hose directly from engine to radiator, no extra cooling hoses,

tanks, etc...!!!!

-No Rotary engines

 

250 Wings (2-cycle only)

Weight 430#

Single cylinder (gas only) .

**Stock Stroke and rod length as per manufacturer year, model and engine specifications .

No after market big bore kits.

No after market stroker kits.

Maximum cylinder displacement: 265cc

After market pipes, heads, intakes and naturally aspirated carburetors allowed.

125, 250 and 500 Wing Kart classes will only be allowed to run one Radiator (std CR racing size

and cap.) and standard 3/4" hose directly from engine to radiator, no extra cooling hoses, tanks,

etc...!!!!

No Nitrous Oxide.

 

500 Wings

Weight 430#

Single cylinder (gas only)

550cc Max. Displacement (2 strokes)

600cc Max. Displacement (4 strokes only)

*4 strokes may use Factory fuel injection only if the motor came from the factory with fuel

injection, no aftermarket fuel injection

After market pipes, heads, intakes and naturally aspirated carburetors allowed.

125, 250 and 500 Wing Kart classes will only be allowed to run one Radiator (std CR racing size

and cap.) and standard 3/4" hose directly from engine to radiator, no extra cooling hoses, tanks,

etc...!!!!

No Nitrous Oxide.

CHASSIS SPECS:

Main frame must be similar in design and appearance with the addition of a roll cage. Roll cage

must be constructed of mild steel tubing, chrome moly tubing, or material of equal or greater

strength, must be of a design that protects the driver

in the event of an upset or mishap and pass stringent inspection by the officials. Q.R.C or S.K.E

SPECS Ok.

-ABSOLUTELY NO SUSPENSION IS ALLOWED ON ANY WINGED OUTLAW KARTS!

SPRING MOUNTED ROLL CAGE ON RIGID KART CHASSIS ONLY!

-NO CHAMP (style) KARTS!

BALLAST: All non-structural weights added to meet minimum kart/driver weight requirements

must be bolted securely to the kart. Carrying of ballast

on the driver’s person is prohibited. Bolts of minimum 5/16” diameter must be utilized to secure

weights, cotter-keyed or double-nutted. No weight shall

be bolted to the underside of the kart. Where weight is attached directly to the seat of a kart, a

large diameter, metal fender washer must be used for

reinforcement. A maximum of 5 lbs. per bolt is allowed. Any driver who loses weight on the

track will be disqualified. Ballast/ weights must be painted

white with kart number inscribed. Tape, hose clamps, ty-wraps or fasteners other than bolts are

not legal for attaching ballast weights to karts.

SILENCERS: Must be bolted and secured in a safe manner or driver will not be allowed to race

or DQ’d.

WING REQUIREMENTS: Top wing required.

Hightest point of top wing not to exceed 76" from ground.

125, 250 and 500 Wing: Top wing must be intermediate or open style wing . (Approx. 34-40"

wide center section and 42-48" long

side panels)

Length and width dimensions will not vary 33%.

Side panels must not obstruct driver’s vision

Nose wing optional.

Wing Sliders: Legal in all Winged Outlaw Classes, but not recommended in Jr. Wing

BRAKES: Rear Disc Brakes Mandatory, Left front brakes legal, but not recommended in Jr.

Wing

BODY: Must be complete. This includes hood, side panels, floor pan and tail. May be built of

aluminum, fiberglass or non-splintering plastic. No sharp

edges!

TIRES & WHEELS: 5“ or 6“ rims.

 


OUTLAW MINI MODIFIEDS

Rules are managed by batwing chassis.  Visit www.batwingchassis.com for details.