Thread: El250
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Old July 18th, 2018, 08:35 AM   #12
DannoXYZ
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Name: AKA JacRyann
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MOTY - 2018, MOTM - Nov '17
Ah, perhaps diaphragm is not sealing?
Or you've got clogged vacuum passage going to slide.
Manually move slide by hand after taking cover off, does it move smoothly with no binding?

Also carb-cleaner and compressed air will only do 10% job of cleaning fuel-circuits. They need to be mechanically flossed to scrape off dried varnished gas. That stuff is plastic, it will not dissolve with any solvent. Then passages need to be soda-blasted to clear off remaining varnish fragments.

For example, your needle-jets shows dark-brown dried-gas varnish. They should be bright shiny silver. That's most likely same condition of your fuel-circuits on inside. Not a big deal on needle-jets because outside doesn't do anything. But anything on walls of fuel-circuits will shrink its diameter and reduce flow.
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