All Y39 type carburetors have two idle mixture screws. However, there are variations in the type of choke, position of the gas inlet, the type of linkage, and the bore size.
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The Y39-2 carburetor that you have chosen has the following variations.
The Y39-2 carburetor should look similar to the pictures below, don't expect each picture to
look exactly like your carburetor. View all the variations below for the Y39-2 carburetor and if this is the caburetor you need, order it at the bottom of the page. If NOT Click Here.
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Choke Type
Down (Hot Air) Y39-2
Side (Hot Air)
Electric
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Gas Inlet Position
Female (Front)
Male (Front)
Female (Choke Side)
Male (Choke Side) Y39-2
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Linkage Type
Carburetors where the throttle linkage hooks onto the bottom can be bolted directly into the carb linkage or have an add on bracket (like at right) or a similar type that bolts to the top and bottom of the carburetor linkage.