FORCE 1994 120HP. HAVING A PROBLEM WITH THE LOWER UNIT. TAKING ON WATER MIXING THE OIL TO COFEE COLOR; CHANGEING THE OIL AND ADDING TRYING TO FINISH THE SEASON OUT,THE ? I HAVE IS WHEN YOU FILL THE LOWER UNIT YOU USE THE BOTTOM HOLE;AND WAITE TO IT EXIT OUT OF THE TOP HOLE,WHY CAN'T YOU USE THE...