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Uploaded on Jan 25, 2009
honda gx200 go kart proformance engine build big valve head ported and milled 29mm intake valve with new seat 25mm exhaust valve stanless steel valves split keepers and retainers crome moly push rods high flow exhaust 22mm carb uni air filter flat top piston arc billet conrod with bearings gx160 flywheel and 4 degree timming key 18hp+ motor