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Simplicity314

Will a pitted carb bowl still work?

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Simplicity314
Got a free 7016H that ran until recently, according to the PO. He said he brought it in but the mechanic couldn't get the main jet out, and only dunked the carb. The PO also said he stripped the gear on the starter. Took the carb apart (the main jet came right out no problem), and it had that white oxidation they sometimes get, but this stuff wouldn't come off without some effort. Turns out the bowl is pitted pretty badly. Do I waste my time seeing if this carb will run, or should I look for another one? Thanks in advance.

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HubbardRA
If the pitting is only in the open part of the bowl and is not affecting any of the seating surfaces, then it will not hurt anything. The white powder is from alcohol being left in the carb. Alcohol will eat up a carb. All gas in this area now has 10 percent alcohol, so it should not be left in a carb for long periods of time without running the engine.

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Simplicity314
Awesome! Thanks Rod. I may actually have a running tractor for the show this weekend, if time permits. I always thought that white oxidation was from water/moisture. Learn something new every day.

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toomanytractors
I've found that a light socket cleaning brush works very well for cleaning the inside if carb bowls. They're made with wire bristles and are rounded. Great for getting all the white powdery junk out of where you don't want it.:)

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