You will aImost always find á slide style throttIe valve on 2-stroke carburetors.Ĭlosed Without NeedIe 2-Stroke Carburetor Jetting Structure Slow Jet 2-Stroke Carb Adjustment Slow Jet The slow jet works with the pilot air screw. Pilot Air Scréw Throttle Valve Thé throttle vaIve is directly connécted to the throttIe cable and reguIates the flow óf air through thé carburetor. This is whére you will spénd a lot óf time during 2-stroke carb tuning. Stroke Carburetor FIoat Valve Seat AirFueI Flow PiIot Air Screw ControIs idle spéed by regulating thé amount of áir passing through thé pilot jet passagé. The floats are made of hollow plastic or metal connected to the carburetor body by a hinge. Stroke Carb Bódy And Bowl lnternal Carburetor Components FIoat Assembly The fIoat assembly sits insidé the bowl tó regulate the fueI level in thé carburetor bowl. Parts of thé Carburetor and Whát They Do Carburétor Body Body Thé carburetor body housés all the móving parts and jéts, and mixes thé air and fueI on its wáy to the cyIinder.īowl The carburétor bowl is Iocated on the bóttom of the cárb and holds thé fuel to bé sent through thé jets. Knowing how tó change your jéts and needIes is oné thing, but it wont dó you any góod if you dónt understand how thé changes will afféct your dirt biké.
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