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Tom Endy · 03-12-2018, 01:08 PM

The small hole in the throat of the carburetor may be plugged. This is the idle passage. The way to check it is with air pressure. Remove the idle jet and put the air nozzle against the idle jet hole and blast it while holding your finger over the hole in the throat. You should feel a strong blast of air coming out of the hole.

If it is plugged it is possible to get a paper clip in through each end to clear the passage way.

Tom Endy

03-12-2018, 01:08 PM	#3
Tom Endy Senior Member Join Date: May 2010 Location: Southern California Posts: 3,131	Re: Zenith carb stall The small hole in the throat of the carburetor may be plugged. This is the idle passage. The way to check it is with air pressure. Remove the idle jet and put the air nozzle against the idle jet hole and blast it while holding your finger over the hole in the throat. You should feel a strong blast of air coming out of the hole. If it is plugged it is possible to get a paper clip in through each end to clear the passage way. Tom Endy