1988-1992 Mercury Force 5HP Outboards Service Manual, Page 32Get this manual

1988-1992 Mercury Force 5HP Outboards Service Manual, Page 32

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5 Remove fuel pump diaphragm with two gaskets (A) from reed plate (8) Replace fuel pl,Jmp diaphragm and two gaskets (A)
IMPORTANT
There must not be any leaks in the fuel systemReplace all