Y39-2 2bbl Rochester
Choke on Top

All Y39 type carburetors have two idle mixture screws. However, there are variations in the choke, position of the gas inlet, the type of linkage, and bore size.

The Y39-2 carburetor that you have chosen has the following variations.

Stock #
Engine Size
Choke Type
Gas Inlet Position
Linkage Type
Bore Size
Y39-2
140
165(6Cyl)
Down
(Hot Air)
Male
Choke Side
Single Hole
Small

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.

Click picture for close up view


Choke Type

Down (Hot Air)
Y39-2
Side (Hot Air)
Electric

Gas Inlet Position
Female (Front)
Male (Front)
Female (Choke Side)
Male (Choke Side)
Y39-2

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.
2 Hole Bottom
2 Hole Bottom
Bolt on Pieces
Single Hole Stud Top
Y39-2

Bore Size
 
 
 
 
Small Bore 1 3/8 Inches
Y39-2
 
Large Bore 1 5/8 Inches
 

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