2012 WINGED OUTLAWS KARTS:
The karts competing in this class may be built by any competitor or manufacturer. The kart, as built, must comply with all guidelines set by Speedway
officials.
ENGINE RULES:
Jr. Wing/Box Stock Winged Outlaws (same as 2011)
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
** Clone engine allowed in Jr.Wing class:
** Engine per section 722 with the same THS changes as the JR1 class structure. No restrictor plate required
** MUST use billet ARC 6619 flywheel
** Header must stay within frame rails ( same as Animal engine) and must be wrapped
** Clutch is non-tech item
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.
125cc (2-cycle only)
Age 11-up
This is a stepping stone class for kids that we want to keep affordable and enjoyable-
-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
-No Rotary engines
-Weight 350#
250cc (2-cycle only) (same as 2011)
Age 15-up
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.
No Nitrous Oxide.
500 Pro Open -
Age 15-up
Weight 430#
Single cylinder (gas only)
550cc Max. Displacement (2 strokes)
*New for 2012 - 600cc Max. Displacement (4 strokes only)
After market pipes, heads, intakes and naturally aspirated carburetors allowed.
*New for 2012 - *4 strokes may use Factory fuel injection only if the motor came from the factory with fuel injection, no aftermarket fuel injection
No Nitrous Oxide.
PROTEST: If a competitor wants to have another competitor teched, they can make a protest. A sum of $100 cash must be submitted with the written protest. $40 will go to the track and $60 will go to the protested or back to the protester, depending on the tech inspection outcome. (legal or illegal)
CHASSIS SPECS:
Main frame must be similar in design and appearance to karts competing at Thunder Hill Speedway 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 THS 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!
SAFETY RULES:
Safety is one of the prime considerations of Thunder Hill Speedway. Methods of operation, vehicle construction, track facilities and competition practices are under constant review to protect the karter and to raise the safety standards of the sport.
Helmets: All helmets must be” Snell M2000, Snell SA 2000, SFI 31.2, SFI 41.2 or newer standards. Drivers under the age of 12 must meet one of the above standards or the SFI 24.1 standard for youth helmets. Buy a High quality helmet such as a Simpson, Bell, etc…… You will not race without a specified helmet.
Aluminum racing seat designed for use with a 5-point harness-mandatory. (Back of seat shall not be inclined less than 60 degrees)
Driver should be able to exit kart without additional assistance.
Commercially manufactured arm restraints only.
Commercially manufactured seat belts only. (Five point seat restraint system required.)
Fire retardant racing suit mandatory.
All other safety requirements stated in the regular THS rules must be followed.
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.
Box Stock wings allowed in Jr Wing/Box Stock Wing class at THS.
125, 250 and 500 Winged Outlaw Classes: 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. Winged Outlaw Class
BRAKES: Rear Disc Brakes Mandatory, Left front brakes legal, but not recommended in Jr. Winged Outlaw Class
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. Bead lock wheels are allowed.
QRC 55, Rocket Boy 55 or Hoosier equivalent treaded tire is Mandatory on right rear (must durometer 55) of all WingedOutlaw karts.
Outlaw wing karts must run all 4 grooved tires and may also groove or sipe any of their tires. (No grooved slick tires)
APPEARANCE: All karts must be have a neat and clean appearance!
STARTING: If your kart will start with a kick starter, use it. All wing karts that are pushed on the track to start, must be fired before they reach
the flag stand. No races will be held up to wait for karts to start. This is only fair to the other karts already running on the track.
All General Track rules also apply!