Dremel Stone #911

• The upper casting fuel inlet port seat must mate smoothly with fuel line compression ferrule. However, castings which have experienced a lot of rust will have seats that are pitted. These ports need to be lightly ground to remove the pits.
• A Dremel #911 stone, shown in the picture, works well as a grinding stone.
• Care must be taken to centrally position the stone, and only very lightly polish the seat.

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