ALL RULES ARE SUBJECT TO CHANGE AND ALL DECISIONS MADE BY TRACK OFFICALS ARE FINAL

We run WKA ENGINE RULES and BURRIS tire rule. All karts are subject to TECH at any time.

BOX STOCK TECH AND CLAIM
There will be a $200 claiming fee for this engine. Refusing to accept the claimer will result in immediate disqualification of competitor along with any points and winnings earned for that event. Claimed engines do not include clutch, air filter and exhaust. These will be removed by the owner of the engine.

ENGINE SPECIFIC TECH SHEET FOR: BOX STOCK PROJECT 6.5 OVHDescription: Single cylinder, 2 valve, OHV 4 cycleImportant Note: All parts must be Box Stock Project factory production parts unless otherwise specified inthis rules manual. No machining or alteration of parts is allowed unless specifically noted. All parts will besubject to a comparison to a know Box Stock part (when performing a "stock part" comparison check it is recommended to use a + /- .005” tolerance). Engine will be teched as raced. There will also be a $200 claiming rule in place for this engine. Refusing to accept the claimer will result in immediate disqualification of competitor along with forfeiture of any points earned to date in class. Competitor will also not be allowed to compete any longer in that class.Combustion chamber volume: 26.5 cubic centimeter minimum, with piston at TDC, using prescribed procedure.Cylinder Head Requirements: Must be OEM casting only. Porting and / or grinding are not permitted. Valve seats are two angles 45 degrees valve face and 30 degrees top relief. Stock head bolts only, must have four. Head gasket maybe after market, must be of stock configuration. No copper or aluminum gaskets allowed. Any stock configuration gasket allowed no other sealer.Bore and Stroke: Stock cylinder bore is 2.685” max. Stroke is 2.123” + / - .005”.Carburetor requirements: Huayi OR RUI*ING model carb only. Carb to intake sealer is gasket only no other sealer allowed.Choke must be as supplied from factory, but may be fixed to stay in open position. Venturi .615” NO-GO. Rear carb bore .751” NO-GO. Main fuel jet .042” NO-GO. Valve Train: Stock valve cover only with any stock configuration gasket, no sealer.Factory stock rocker arms and push rods only. Stock valves only 45 degree angle only both valves, no modifications allowed. Only Box Stockvalve springs only. Max wire diameter on spring wire is .0705” with a maximum tension of 10.8 lbs. at a height of .850”.Ignition system: Stock Box Stock system only and must be unaltered. Kill switch and low oil sensor may bedisabled and removed.Flywheel: Box Stock flywheel only with plastic fins. No alterations of any type allowed. Must also run stock flywheel key.Piston and Rings: Must be unaltered Box Stock only. No machining of piston and rings allowed.Connecting Rod: Stock Box Stock rod only. No machining of any type allowed. Stock rod bolts only.Crankshaft Requirements: Stock Box Stock crankshaft required. Machining, polishing, addition of material or other alteration of crankshaft is prohibited. Stock factory timing gear mandatory and must be installed in original location. Crankshaft journal diameter is 1.180”- 1.175” min.Camshaft Requirements: Stock as cast camshaft only. Cam lobe base circle diameter .865" -.005”/+.010” Duration check for Intake and Exhaust lobes (taken off pushrod). Intake duration of 218.5 degrees at .050 lift/85.5 degrees at .200 lift. Exhaust duration of 221.5 degrees at .050 lift/96.5 degrees at .200 lift. (All checks will allow +2 degrees for wear and gauge variances.) Max Intake lift on cam .225” taken at the pushrod.Max Intake lift at the valve .238” Taken on valve spring retainer with zero lash.******************************************Max Exhaust lift on cam .232” taken at the pushrod.Max Exhaust Lift at the valve .242” Taken on valve spring retainer with zero lash.Special note. Valve guide wear can give false valve lift readings when checking off the front of the valve spring retainer. It is advised to take readings at several other points around the retainer (back, and both sides) if wear is suspected of giving a false, unfavorable reading.Block Requirements: Block must remain stock as produced. Stub for governor may be removed and hole plugged.No machining of block allowed. Welding to the block shall be for rod damage repair only and may not constitute afunctional modification.Header and Muffler Requirements: Any header is legal, but must have a RLV 4104 muffler, either secured with wire or welded.Claimer Rule: You must finish the race in the box stock class to purchase the winners engine for $200 (minus the clutch/chain guard/throttle kit, header pipe/muffler, air filter adaptor/air filter, top plate & fuel pump).The Following updates are mandetory changes as of January 1, 2009 Carburetor/Fuel Tank Requirements: Floor Mounted fuel tank mandetory (stock tank must be removed). Pulse type fuel pump allowed. Fuel pump must be pulsed from either the crank case or the valve cover. You may install a flat metal plate in the original tank location for the purpose of mounting the throttle linkage and fuel pump.

Poor Man's Karting Club Rules

Engine: Harbor Freight stock engine: $119-$159. Yellow Clone engine stock: $119-$159.(No Dover Stage 2 or 3 allowed) Stock out of box only. May change air filter, jet, header pipe with muffler. Must run drum clutch: $55. Must run Burris tires. You have a choice of trophy or money in this class but it is a class for 100% stock and for fun. No big money races. Payout will be paid out on amount of karts in class. Kids kart: must weigh 250 lbs. and use blue or purple restrictor plate. Adults kart: must weigh 350 lbs. with no restrictor plate. Kids must wear full face helmet, chest protector, gloves eye protection, and a long sleeve shirt or jacket. Adults must wear full face helmets, gloves, eye protection, and a long sleeve shirt or jakcet. Winner's engine may be claimed by lead lap kart for $175 minus clutch, jet, air adapter and filter, header pipe, muffler and throttle kit. You get only what came in the box from the factory. All suggestions are greatly appreciated and will be looked at seriously to make this a fun, low budget sport.

Poor Man's Karting Club Payout