1. All karts must be approved by race director prior to competition. 2. Tires must be kart type tire and approved by series official. Not to exceed 6″ diameter. 3. Bodies can be any material except wood. No sharp edges or protruding parts

4. No bars may extend out past the outer edge of the tire except nerf bars.

5. All karts must have numbers on both sides and must be legible from the scoring tower or they will not be scored.

6. Duplicate numbers must have a letter. The letter must be legible.


1. Transponders must be installed and in working order. If your transponder does not work you will not be scored.

2. Transponders must be mounted on the steering shaft support bar directly in front of the seat closest to the floor pan. (If mounted in the incorrect spot and a close finish is scored you will be put behind the other finisher)


1. All karts must meet the designated minimum weight in their perspective class.

2. Additional bolt on weight is permitted, but must be fastened in a secure manner and must be painted white and must have the kart number wrote on it.

3. It is YOUR responsibility to make sure your kart meets the minimum weight each week per track scales.

4. The winner in each heat race will weigh and the top 5 in the features must weigh after the event.

5. If your kart is deemed to light after the heat race/qualifying you will have to start at the tail of the field in the next on track event. If your kart is deemed too light at the conclusion of the feature you will be DQ’ed and lose points for that night of racing. (Additional penalties or assessments may occur at the discretion of track officials).



B. Brakes must be in good working order at all times.

C. Kill Switches are recommended in all classes! Karts must also have a 6″ nylon tie attached to the spark plug wire.

D. Approved neck braces or neck restraints are mandatory.

E. Helmets must be DOT or SNELL approved, and must fit the drivers head correctly. Clash at the Coliseum officials have the right to determine if a driver’s helmet is safe enough for competition.

F. Racing suits are highly recommended. No shorts or cut off pants allowed.

G. Chain Guards, designed to protect the driver in the event of a chain failure are Mandatory.

H. Helmets and all safety gear must be worn at all times

I. Safety is Clash at the Coliseum number 1 concern. So please make it your number 1 concern as well. Be Smart!!


Race Procedures:

A. The race will begin as soon as the racing surface is clear and the karts in in the proper starting position.

B. Any driver/team who purposely try to hold up the start of the race will start from the rear of the field or will be parked.

C. Any driver to visit the “Hot Pit” at any time during the event, even before the race begins after they were on the racing surface they will go to the tail of the field.

D. During the A main ONLY drivers will be allowed 90 seconds in the hot pit 1 time only. IF you do not roll off the hot pit before the leader takes the 1 to go signal you will not be allowed to enter the speedway until the next yellow flag.

E. Only the caution cars will be given 90 seconds under that particular caution. Teams can pit during that time but will not be guaranteed time unless they were the cause of the caution.”

F. All classes will run 20 lap features. (Kids classes will run 15)

Adult classes that have only 6 Karts or less features will be 15 laps

G. All starts and restarts will take place at a consistent speed. Both front row karts are responsible for an even and clean start. Consistent speed will be at the discretion of track officials.

H. Initial starts will be at the orange cone in turn 4. The flag man starts the initial start and it will be at this point.

I. Restarts will be between the orange cone in turn 3 and the orange cone in turn 4. The leader will dictate where they want to start from in this designated area.

J. The field must remain single file on restarts. If someone jumps the leader on the restart the caution will come out and they will be docked 1 position. If the same kart jumps the start again they will be put to the rear of the field. Tower will radio to give the spot back and if you do not you will be penalized.

K. If the race is not properly started the leader/front row will be docked a position/row. 2 attempts. This is at the track official’s discretion. If the driver does not comply he will be put to the rear or parked.

L. Under no circumstances is any crew member, family member etc. allowed on the track during an event unless directed so by a track official. Result will either be a DQ or that said kart will restart at the tail of the field. This includes, Green flag, Yellow flag, or even Red Flag conditions.

M. If your kart is broke or stopped on the track DO NOT exit the kart until safety workers arrive (unless kart is on fire). If you exit the kart and approach a moving kart you will be parked and suspended. (This goes for crew members as well)

N. Only when the karts come to a complete stop after the races are over will anyone be allowed on the racing surface for victory lane celebrations etc. Failure to comply will result in a DQ.

O. In the result of a Red Flag, karts will be stopped on the track. Once the incident is cleared, 1 crew member per kart will be allowed to enter the racing surface to start their kart. (Only when/IF directed to by series officials.) If any adjustments to the kart are seen that kart will go to the rear of the field.

P. During Green flag conditions no one is allowed to stand in the “Hot Pit” area or on the entrance or exit of the track. There will be designated areas to stand in during on track action.

Q. Wreckless driving will not be permitted. If you intentionally cause a wreck or wreck someone else under green or yellow you will be parked. Multiple offences will result in loss of points and suspension.

R. For any protest the team must finish inside the top 4 to protest. No finisher outside the top 4 will be allowed to protest. Each team is only allowed 2 protest per season. Protest fee will be $250. $200 goes to the team that wins the protest. $50 goes to the tech man. A team can only protest the finisher directly in front of them. For example, 4th can only protest 3rd. There will be no BACK protest.


1. Green Flag. When the green flag is displayed the track is open for racing. The Green flag signifies the start of any race or qualifying session. Passing is not permitted before the green flag is displayed at the designated point. a. Double File Starts. The two lead karts must stay side by side, at Medium speed, until reaching the start area where the green flag is displayed. All starts are at the discretion of track officials and their call is final.

2. Single File Re Starts. Restarts will be single file and the lead car can start the race between the striped cone in turn 3 and the striped tire in turn 4. Must remain single file until the cone at the start/finish line and must go to the outside of the cone.

2. Yellow Flag. CAUTION. When the Yellow flag comes out SLOW DOWN. We do NOT race back to the start/finish line. Stay in single file formation. Track officials will sort out the lineup via RaceCeiver. If you do not cooperate you will be put to the rear of the field.

3. Red Flag. Stop as soon as safely possible. Do not drive through the accident scene. Failure to observe the Red will result in driver being parked. a. NO ONE is allowed on the racetrack at this time! If a crew member, family member, etc comes on the racetrack, your kart will be sent to the rear of the field.

b. Only 4 wheelers are allowed onto the track when called for assistance.

c. Once the Red Flag is withdrawn Track Officials will ask for people to come start their karts. Only 1 person per kart may come out. If any more than that your kart will go to the rear.

a. If you get the curled black flag pointed at you this is a warning for rough driving and we will be watching you. Play Nice!!

4. Black Flag. Proceed to pit area. Your kart is no longer being scored. This flag is a result of rough driving, loose or broken parts, etc… If your muffler falls off and we see it you will be black flagged. (Box Stock and Beginner ONLY).

5. Blue with Yellow Stripe. Hold your line. The leaders are coming to lap you. Please be courteous to them.

6. White Flag. One more lap to the finish.

7. Checkered Flag. The race is officially complete.

1. Caution/Red Flag – Drivers who are involved in the cause of the caution/red will be put to the rear of the field. If you stop or your kart spins or faces the wrong way, or if you need assistance you will be put to rear. At track official’s discretion. (Kids class lap 1 exception. See Class section for details.)

2. There will be a 3 spin rule. If you cause 3 cautions in any event, you will be parked. Official count is at the race director’s discretion.

3. No refunds will be issued once your kart reaches the track.



Tech Area:

1. After the races are over only the driver and one crew member may be in the tech area to assist with their kart getting through the scales and tech area.

2. If an engine is in the shed being checked, only that person and 2 crew members of that kart will be allowed in the building. NO ONE ELSE IS ALLOWED IN THE TECH AREA AT THIS TIME.

3. The top 3 karts must remain in the tech area until cleared by tech official ONLY. If your kart leaves this area you will be DQ’ed.

Unsportsmanlike Conduct:

1. Fighting at Clash at the Coliseum will result in suspension.

2. Any display of unsportsmanlike conduct (on or off the track) will result in a Fine, Suspension, and Immediate Removal from grounds, Point Penalties, or All of the above.

3. Rough driving will result in docked positions, fine or black flag. Drivers and Crew members observed verbally or physically abusing other drivers and/or officials will result in loss of points, fines and/or suspension. NO EXCEPTIONS!


Points System:

Points structure for all feature races.

1st – 100

2nd – 95

3rd – 92

4th – 89

5th – 86

6th – 83

7th – 80

8th – 77

9th – 74

10th – 71

11th – 68

12th – 65

13th – 62

14th – 59

15th – 56

16th – 53

All non-transfer karts will receive 50 points.

1. Any violation of technical rules or equipment shall result in the driver being disqualified. No points will be awarded.

2. Only Performance enhancing infractions will result in a 0. Safety or other DQ’s will be subject to track official discretion. And/or 2nd time offences will be subject to a 0.

3. Any driver to be black flagged during an event will still receive last place points.

4. Any Kart to lose or break an exhaust pipe will be penalized and receive last place points.




 ALL classes will follow NKA engine Rules. (Except Clone)

 Clone will follow AKRA or NKA Declare at Tech

 Open Tire rule  –

Flat Karts run Slicks Only

Outlaw Karts – Tread Only D5o or Harder on the RR





Make sure you get the CORRECT Fuel.

Quick Trip located on Hwy N – 2 miles from The Equestrian Center.

Address: 8334 Hwy N, Lake St. Louis, MO 63367

will be thee official Fuel stop for the Clone/LO206 classes. 87 octane only!


Tires/Parts: Hoosier Tire will have their Tire & Parts trailer at each event


2021 Classes

Kid Kart – Ages 5-7 Motor C-50/C51 or Honda HPD GX 50 

Kart – Red Restrictor

•JR 1 265 – Green Restrictor Plate – Ages 8 to 12 – Big Pipe Only

•JR 2 300 – Blue Restrictor Plate  – Ages 12 to 15 – Big Pipe Only

•Clone Medium 350

•Clone Heavy 375

•Clone Super Heavy 400

•Predator Jr. 250

•Predator 375

•Winged Intermediate 420

•Winged Open 450

•Box Stock/LO 206 300

*Box Stock Clone /Blue Plate (New as of Race #2 – Jan 8-10)



Quartermidgets – USAC Rules –

Classes: Rookie/Jr. Honda/Sr. Honda/Light 160/Jr. Animal



JR 1 & JR 2 – Kid Karts 

  • Kid Kart – 50cc – Ages 5-7
  •  Junior Clone A – Ages 5-7 – Red Plate 250# 12/65 Gear

•JR1 will be 265lbs following the race with the driver on the track scales. o Must use an unaltered GREEN restrictor plate measuring .425″

Ages 8-12

•JR2 will be 300lbs following the race with the driver on the track scales. o Must use an unaltered BLUE restrictor plate measuring .550″

Ages 13-15

 JR Classes will run BIG pipe only



Predator 212 Slick’s Series Rules


Series:  Predator 212cc Slick’s


Class:   (A State issued I.D. or copy of Birth Certificate will be required for anyone under the age of 18.)

  1. Junior (7-15)
  2. Adult (16 and above) – Clash at the Coliseum will run 1 Predator Class – Weight 375


Divisions: (If we have a large car count in the Predator Class we will split the class Div 1/Div 2

  1. Division 1 (Light)
  2. Division 2 (Heavy)



  1. Harbor Freight Predator 5h.p. 212cc
  2. Must be Box-Stock with the following specified exceptions/inclusions:
    1. May run aftermarket header/muffler.
    2. May run different spark plug.
    3. Governor screw near throttle linkage may be removed; however, all throttle springs must remain in place and may not be manipulated in any way as to circumvent the governor itself. You may NOT remove or tamper with the governor under the fuel tank in any way.  The tech Official has full authority and discretion to DQ you for anything he sees unfit in this area.
    4. Must be properly sealed by Tech or designated Official. If seal is tampered with or altered as determined by tech official, then you will be DQ’d for the night.  Any points for that night will be forfeited.  Corrective action as determined by Tech Official must be completed before you are allowed to race again at this track.  ALL DECISIONS ARE FINAL as determined by Tech Official.  Seal numbers will be recorded and must match our records. If your seal number does not match our records, you are DQ’d.  NO EXCEPTIONS!
    5. No machining of Piston and rings.
    6. Clone-style chain guard must be installed
    7. Drum clutch only. No adjustable clutches.
    8. Cylinder Head must be OEM casting only. No alterations such as Porting, Grinding or polishing allowed!  NO EXCEPTIONS!
    9. No machining of Block allowed! NO EXCEPTIONS!
    10. Carburetor requirements: Must be box-stock.  Stock jets only.  No drilling of stock jets allowed.  No other alterations to carburetor allowed.  NO EXCEPTIONS!
    11. Valve Springs must be unaltered and box stock.
    12. Ignition System may not be altered other than disconnecting the Low Oil Sensor. Since removal of the crank cover is necessary to remove the oil sensor itself, this is not allowed.
    13. Flywheel: must be stock including plastic fins. No altering of the flywheel itself. Offset flywheel keys ARE NOT PERMITTED.
    14. Connecting Rod: must be box-stock.  No polishing or machining allowed.  Stock rod bolts only!  NO EXCPETIONS!
    15. Crankshaft: must be box-stock. Machining, polishing, addition/deletion of material and any other alteration of the crankshaft are prohibited.  NO EXCEPTIONS!
    16. Fuel Cap may be drilled/vented. Must run safety chain or cap must be secured with suitable tape (as deemed by tech official).  Aftermarket fuel caps are not allowed at this time. This is a safety issue and will be treated as such.  Any attempt to circumvent a safety issue will be grounds for immediate disqualification from the event.
    17. All Emissions hoses/tubes must be present and attached properly with the exception of the vented port on top of tank (if unclear what this means, ask tech inspector for clarification). This may be disconnected but must remain present.
    18. Drilling or modification of the air box is PROHIBITED!
  3. Claim or Protest Procedures:
    1. Any registered Owner or Driver in this class on the night of the event, may claim your engine at IMMEDIATE CONCLUSION OF THE FEATURE EVENT. Header, Spark Plug, Clutch, throttle linkage and chain guard are not subject to claim and must be removed before turning engine over to claimant.
    2. Cost to claim is $130.00 with $10 going to the Racing Series and $120.00 to the Owner of claimed engine. Yes, this does not cover the regular cost of the engine which is regular price of $129.99 at Harbor Freight.  However, it is understood that this engine can typically be bought on sale for $99.99.  This is by design to further deter your chances of doing anything that could get your engine claimed.
    3. Claimed engine may be used by claimant on their kart in future events, however, if original seals are not intact, this engine will be blackballed from competition (serial number and seal numbers shall be recorded/verified by Track Official at time of claim BEFORE engine changes hands).
    4. Any Owner/Driver that refuses a claim may not return for two consecutive scheduled events. The driver may not race a different kart for that time period and that kart will not be allowed with a different driver, even if engine was replaced.  NO EXCEPTIONS!
    5. Protest rules are covered in the General Rules for the Clash at the Coliseum Racing Series in a separate attachment.



  • Unleaded Pump gasoline only! (no more than 93 octane)

NOTE:  E-85, Alcohol or Racing Fuels ARE NOT ALLOWED!  NO EXCEPTIONS!



  1. Adult: (Predator)

        Clash at the Coliseum – Equestrian 375 lb min with driver -If large car count we will split the class

  1. Division 1 – 350 lb min. with driver.
  2. Division 2 – 400 lb min. with driver.


  1. Junior:
    1. 250 lb min. with driver.


  • All added weight must be securely fastened. All weights should be painted white with kart number clearly marked.
  • Driver must register in the Division that he/she wants to compete in for the Racing Series.
  • Division changes cannot be made once lineups are posted.
  • Driver may only run in one Division or Class of a particular Series.
  • Kart may be entered in opposite division or class (in same Series) by a different driver provided weight requirements are met for each driver in each division.


Body/Numbers/Number Panels:

  • Each entry shall have 4 numbers on the kart at all times. One on each side panel, one on front of kart and one visible from the rear of the kart.  Numbers are limited to four digits.  One letter may be used but will count against the four digits and must accompany at least one number.
  • Numbers must be contrasting (or easily read) by the track scorer. The track scorer has sole discretion as to whether or not your numbers are acceptable. 
  • If a kart enters the track without the proper changes to address Scorer’s concerns, you will not be scored and may be removed from the event.


Rear Bumper:

  • Rear Bumper should extend to AT LEAST the center of rear tires. It is suggested that you move your rear tires to the widest point that you could possibly run them in an effort to find the center.
  • Tech Official has sole discretion to approve your rear bumper width at any time.
  • This is a safety issue and will be treated as such. Any attempt to circumvent a safety issue will be grounds for immediate disqualification from the event.



  • Slick tires only. No grooving, siping, or cutting allowed.
  • Tire Prep is allowed.


NOTE:  Penalties for violating any of the above rules are covered in the General Track rules.  In the event that the General Rules conflict with this document, Tech Official will have final say.  If Tech Official is not available on any given night, then decisions will be made by Competition Directors in which there are two.  In the event of a tie vote between the competition directors, Track Promoter will break tie.







Outlaw Karts – (St. Genevive Rules – Except if a 250 runs with the Outlaw class must weigh 450)

LO206/Box Stock Outlaw Karts

250 Winged Intermediate Outlaw Karts – Winged Open Outlaw Karts

Added Class starting Race #2 (Jan 8.9.10, 2021) 

Box Stock Clone/Blue Restrictor (NO BP allowed)


  • 206 will be running the 2019 Briggs and Stratton 206 Outlaw rules until further notice, check their website out for the rules (2020 Rules have not been released yet from Briggs)
  • You may run any tires in the 206 Kart classes only
  • 206 CLASSES have an open-air filter
  • Intermediate & Open may run any tires, except you MUST RUN A D50 & ABOVE on right rear
  • It is mandatory that racers have a fire suit, full face helmet, racing shoes/boots, neck brace and arm restraints, IN ALL KART CLASSES
  • At the age of 14 and older you must move up to a different class
  • The 206 Kart class only has $50 protest rule, $10 of it goes to the track the other $40 goes to the driver of the kart. The rules highlighted in pink will be what they will be protesting on. If you protest another kart you must do so within 15 minutes after the feature race. You must have cash in hand when you protest. If the kart that has been protested refuses to tear down, they will lose their points for 2 races. This is only for the 206 Kart class.
  • The 206 Karts must weigh 300 lbs. with driver
  • The 250 Intermediate Outlaw class must weigh 420 lbs. with driver
  • The Outlaw class must weigh 450 lbs. with driver
  • If the 250 wants to run with the Open class, the 250 must weigh 450 lbs. to race
  • 206 Beginners Outlaw Cage Karts Class is ages 5-8 yrs with less than 2 year’s experience
  • 206 Outlaw Cage Karts Class ages 7-14 is intermediate class


206 Beginners Outlaw Cage Karts will require a carburetor slide for the LO206 class. With the slider, we recommend running a stock clutch. ➔ Outlaw Class will have no age limit so can include adults. ➔ 250 & Outlaw Classes will race together depending on car count. We will split the classes if we have too many cars.