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Rebuilding my first YS637S carb.
The drawing (chapter 9, fig 57, p. 110) shows the bottom orifice of the low-speed jet tube inside the bleeder tube (from the air horn) is open at the bottom. Is that correct?
Mine has no opening.
Is it plugged?
Or am I misinterpreting the drawing?

Here is the drawing for reference

Here's the illustration showing the hole in the end of the tube!



You can view the large size of this photo at: http://willysmjeeps.com/v2/modules/gall ... om_001.jpg

Thank you Wes.
I found a rebuild kit from MWM that included a new low speed jet tube.
Numerous issues found inside the carb including:
Low speed jet tube plugged.
No weight or check ball.
Metering rod pin missing and metering rod bent.