link too several. (keep your old one if you still have it.
You can get just the 4 screw or 3 screw pump only kit by itself if needed.
Here is a link to se3veral on fleece bay. Seen a used one for $20 free ship and 30 day returns. Them carbs usually re-build user friendly.
Quite often if one has been running smooth and then starts idling rough just remove the bowl drain plug and re-install and get a good run.
The more user friendly ones have a idle adjustment jet.
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