1. Engine must be run out of box. 2. You can remove the governor but you don't have to. 3. You can remove the oil sensor. 4. Air filter and sock must be installed per factory. 5. Engine must have a key way installed by factory on the flywheel. 6. You may disconnect throttle top screw. 7. You must run factory gas tank. 8. You can only bolt on a chain guard. No aftermarket add ons. 9. You can vent the gas cap. (per safety, the cap must be taped down) 10. No engine builder stickers on these motors. They are stock motors. 11. Fuel: 87 Octane only 12. Carburetor: Must remain stock (no alterations) 13. Engine: Predator 212 cc engines (model 69727 or 69730 only) No exchanging or mixing of parts between motors. 14. Cylinder head: Must be OEM Predator type casing only. Intake and Exhaust ports must remain as factory produced. Porting or deburring is not permitted. Transition edge from port runner to bowl area must retain defined edge. Head gasket surface must remain stock. No copper or aluminum gaskets. 15. Valve: stock valves only 16. Valve Train: must use stock pushrods, rocker arms, retainers and valve springs. No alterations or aftermarket valve train components allowed. 17. Camshaft must remain stock. 18. Crank rod and piston must be factory without any modifications. Stock piston rings. 19. You must run the stock head gasket. No thin head gaskets. 20. Trophy class only- no money awarded. If a guy wants to race for money they can spend more and step up to a clone motor 21. We recommend a full length bumper that extends the length of the rear wheels for added safety.
**If you refuse tech, you will be removed from the class for the remainder of the season** **If your engine is found to be modified after tech, you will be disqualified and removed from the class for the remainder of the season** (All points will be forfeited) **If a driver wins a certain amount of races (to be determined yet), the track will take your motor and give you another one. (Brand new in box)