1988-1995 Mercury Force 5HP Outboards Service Manual, 90-823263 793, Page 32Get this manual
5 Remove fuel pump diaphragm with two gaskets (A) from reed plate (8) Replace fuel pump diaphragm and two gaskets (A)
DINSPECTING FUEL PUMP
1Once the fuel pump has been completely disassembled, wash all metal parts in cleaning solvent