1988-1995 Mercury Force 5HP Outboards Service Manual, 90-823263 793, Page 34Get this manual
EASSEMBLING AND INSTALLING FUEL PUMP 1Install fuel pump filter fitting (A) Apply sealant (Special Tool NoFT-8955) to fitting threadsThread fitting into fuel pump cover until securePlace diaphragm between gaskets Use new gasketsBe sure diaphragm is not wrinkled and that it extends beyond the gaskets all the way around