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Reply to "Dirty Idle Jets? The REST of the Story."

Another source of contamination-- the fuel itself.

Ethanol is corrosive, and will eat rubber and phenolic bits (like your floats). There's nothing as awesome as picking out chunks of float from the progression ports (the 4 holes the narrator was talking about). I've always wondered how stuff can get past the idle jet, but it does-- an often lands in those ports.

I'm thinking the cat's meow would be a threaded plug, rather than that press-fit deal. Plug up the idle circuit? Spin out the plug and clean out the progression ports.

Hmmmm. Now to check McMaster Carr for the proper stuff...

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