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Reply to "Cleaning Weber IDF carbs is not so hard. :-)"

The slotted brass jet in the bottom of the bowl is the accelerator pump jet, which includes a ball check valve. The ball allows the pump diaphragm to compress the gasoline and send it up through the accelerator circuit.

I'm unsure why you bought new jets, cleaning them should be sufficient. Glad you found the blockage in the carb body though, that is a game-changer. Now it runs, imagine that.

I recently bought the Berryman dip can, and have been using it on internal engine parts: valves, keepers, springs, rocker arms. Then blast with carb cleaner, absolutely outdoors and WITH eye protection! I can recommend the Harbor Freight ultrasonic cleaner for carbs. The carb body won't totally immerse, but you can flip it over to get the whole thing. I use a 50-50 water and Pine Sol mix. Works very well. Rinse with clear water and definitely blow them out with compressed air.

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