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I completely drained the tank with a siphon, and then used a vacuum pump and spent 15 minutes probing the tank bottom trying to get every last drop of fluid out. I think I got it all. Next I added some gas dri and a few gallons of mid Grade unleaded.Water is heavier than gas, so any water will eventually be on the bottom of the tank, then sucked by the pump and to the carb. You probably need to blow out the lines. drain the carb and remove and empty the tank. Today's fuel is oxygenated and has ethanol in it. The ethanol attracts moisture. Once the ethanol gets saturated with moisture the ethanol and water mix separates from the gas and falls to the bottom of the tank. What's left on top is crap. This is called phase separation. Idk if your in that situation yet. There is no economical way to regenerate the gas. It needs to be removed b4 new gas is added. I would also add a bottle of dry gas.
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Next I pulled the fuel line from the carb, attached it to a bucket, and cranked approx 3 cups of fuel out, and reattached the fuel line.
Is there any easy way to drain any residual water that may be in the carb still, without taking the whole carb apart?
I can see the fuel line present through the window in the carb, but after 15 seconds of cranking, it still looks "milky" in the window, as if there is still some water present.