Carter YFA Screw Specs

Here is where we try to identify the screw sizes of the Carter YFA carburetor. We list our part number so you can click on the link and you will be taken to the product. Your carburetor must look exactly like the below pictures, or the screws may be different.

Carter YFA Pump Housing Screw
Pump Housing Screw 80-45

80-45 screw

Carter YFA Bowl Screws
Carter YFA Choke Screw

A – 8-32 x 3/8 80-43

Carter YFA Carburetor Screws

A 8-32 x 1 80-87
B Spring 66-51
C 10-28 x 3/4 80-86 which is actually 7/8 but will work.
D 10-32 x 1/4 or 3/8

Carter YFA Throttle Shaft Screws

4D40 Screws

4-40 screws

Updated on 04/13/2022

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