1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 66Get this manual
REMOVALDISASSEMBLY IMPORTANT: Fuel pump dlaghram and gasketshould not be re uaed once fuel pump I, dIsassembled Disconnect fuel lines from fuel pumpI{cmove screws which secure fucl pump Disassembl fuel pump as shown below10
aStarboard Mounted fuel pump Port Mo unted fuel pump