Local Options & Classes
2019 212 CLONE RULES
Posted: Jan 07, 2019

~~ Reference Nor Cal Clone Rules
(For SoCal Oval Karters 2019 Season)

All rules apply except claimer rule.

Engine Rules...
1.1_Rules & Intent: The intent of this engine package is to provide a low cost power source to attract new or budget minded karter’s.
1.2_ Approved engines – OHV engines generally referred to as Clones with a maximum displacement of 212 cc’s. Current legal engines include, but not limited to: the Lifan, Grey Hound, Harbor Freight Blue, Yellow, Jaing Dong, Yamakoyo, Blue Max, Ducar, Dupor & Predator.
1.3_Engine Components: Must be original OEM clone components unless otherwise specified. Removal of unnecessary OEM items such as exhaust system, air cleaner, fuel tank, governor, low oil sensor, etc. is permitted. Welding or epoxy repair permitted to the block, head and side cover provided they don’t enhance performance.
1.4_Exhaust System: Non tech except header must be round and the end may be expanded to accommodate a muffler/silencer. If no muffler is used a safety ring must be present on the exhaust tip to prevent injury in case of accident.
***1.5_Carburetor: Huayi/Ruxing type carb only. Choke assembly must be in place and functional. Venturi .615” max diameter, must be round, checked with go/nogo gauge. Jetting is open. Filter adapter and filter are open any pulse type fuel pump permitted and can be pulsed from the crankcase, side cover or valve cover. Carburetor dimensions to be checked with go/no go gauge. ***Plastic carburetor isolator must be installed in its original location, inner diameter size and finish is non tech, all air/fuel entering engine must pass through the isolator. Restrictor plates are optional depending on post-race kart and driver weight, if a restrictor plate is used it must be installed on kart in its intended manner between the carburetor and isolator , restricting the air flow into the cylinder head in such a way that all intake air/fuel must pass through the restrictor plate. Restrictor plate must remain unmodified from the manufacturer (i.e. a blue plate must have a .550” restrictor opening). No other spacers, manifolds, or pulse adapters may be used.
1.6_Fuel Tank: Non Tech. (It is recommended that for safety reasons a remote/floor mounted tank may be used.) Tank must be securely fastened
1.7_Fuel: 91 Octane ONLY. Fuel must be purchased from 76 19248 Harvill Ave, Perris, CA 92570
1.8_Clutch: Any engine mounted shoe/drum clutch. No axle clutches, No disc Clutches.
1.9_Connecting Rods: OEM rods, or approved and unmodified billet rods only (Approved rod list: ARC #’s 6252, 6254, 6256, 6269, 6270, 6271)
1.10_ Pistons: OEM Std bore only. Three ring design and all rings to be intact and functional. 196 may use OEM honda piston
1.11_Crankshaft: Standard OEM item with stock stroke length (plus or minus .005"). No alterations permitted.
1.12_Flywheel and Ignition Coil: Must use stock clone ignition coil, plug wire, and resistor spark plug boot. Spark plug is open. Flywheel must be from approved list, 3.3 pound minimum weight, no flywheel modifications allowed.
Approved flywheel list:
OEM Cast Iron
ARC: 6619, 6625, 6626
RaceSeng: RSP13075, RSP13077
King: Billet Steel, Billet Aluminum Slipstream
Dyno: PVL aluminum flywheel
1.13_Cylinder Head: OEM heads only with no port modifications allowed. Head gasket required, but type and thickness are open. Traditional style heads only, No Hemi type heads. Combustion chamber volume is open.
1.14_Valve Train: OEM push rods, push rod guide plates, retainers, springs, keepers, rocker arms and adjusters only. OEM valves with 45 seat angle only and no lightening or polishing. Stock 1:1 ratio OEM rocker arms only. OEM valve springs only with a maximum spring diameter of .798”(wire diameter .073” max) and a maximum tension of 10.8 lbs. at .850” compressed height. Installed height of spring is .815” minimum with any spacers or seals.
1.15_Camshaft: Stock appearing camshaft cores only with the ez-spin assembly un-altered and in stock condition. Max intake lift is.240”. Max exhaust lift is.245”. Readings are taken with a dial indicator on the valve spring retainer with zero lash.
1.16_Fasteners & Gaskets: Non-tech, but must retain their original factory size. Heli-coils, studs, etc. allowed for repair purposes.
1.17_Crankcase breathers are to be routed internally through the valve cover as originally intended in OEM configuration. No additional breathers allowed. Vent tube must go to a catch can to collect any oil blow by.
1.18_Stock pull starter must be in place and functional
1.19_Protesting. Any competitor that started the main event may protest any other competitor for legality within 15 minutes of completion of the main event. Protest must be made in writing to the assigned tech steward for that race.
General Kart and Bodywork Specifications
***2.1_Wheels &Tires: Any 5” or 6” diameter Kart type Wheel. Tires must be Burris TX 22s or 33s only. No prepping of tires at the track.
2.2_Weight: Kart and driver 400 lbs. Specified karts and drivers must go to scales after a main event or will be DISQUALIFIED and will forfeit any money or points for that night. All weights added to the kart must be securely fastened to the kart with a minimum 5/16-inch diameter bolt, double nutted, or safety wired. if weight is attached to the seat large area “fender” washers must be used. Any kart that loses a weight will be disqualified from that session and lose points/position from that session
2.3_Bodywork: All bodywork components must be constructed of high strength plastic, fiberglass, or advanced composites. No metallic materials to be used for side panels or nosecones. Body work must not obstruct the driver’s forward or peripheral view. No panels or bodywork may cover the drivers head. All karts must have body work or bumpers that protects the leading edge of the front tires from contact with another kart.
2.4_Bumpers and Nerf bars: All karts must have front bumpers that adequately protect the driver’s feet. Karts must have nerf bars that adequately protect the kart from side impact, and will prevent karts from “hooking” wheels.
2.5_Hydraulic brake are mandatory, Brake rotor must have a guard “wolf plate” (if the rotor is located behind the seat) to protect the seat from contacting the brake rotor in the event of a seat mounting failure.
Tech Procedures
3.1_Procedure: After the main event the top 3 karts will proceed to the designated tech area, at this point the kart will be considered “impounded”, karts will be inspected in their finishing order. Drivers/Crew will be required to assist with removal of parts, drain their oil, and to help facilitate the technical inspection on their kart.
3.2_Tech Items: Items will include but are not limited too:
Caburetor/intake: This will include checking the maximum venture size via go/nogo gauge, checking the isolator, restrictor plate (if present), and for porting of the intake.
Max Camshaft Lift: Will be measured at the valve spring retainer with the rocker arm set at “zero” lash
Clutch: Check for drum/shoe type clutch
Exhaust port: Check for porting of cylinder head on the exhaust side.
Valve springs: this will include wire diameter and coil spacing checks to ensure 10.8 BS springs are in place
Valve spring installed height: Check installed height .815”
Flywheel check from approved list
internal scope check for internal violations (rod, crankshaft modifications)