OK, since everyone has been so helpful in the past I thouhgt I would throw someting else at you all.
My 230 horse mercruiser was overheating a little so I stopped, put the boat in reverse to clear the intake (since I just replaced the water pump do to a clogged one) and the engine cooled off. Pulled a tube for a half hour and had to repeat the same step. Worked good again until I started hearing rapping comming from the motor. Checked the oil (fine) tried it in neutral and reverse,still rapping but not overheating. Put the boat back on the mooring and here I sit.... AGAIN. ??????????????????
My 230 horse mercruiser was overheating a little so I stopped, put the boat in reverse to clear the intake (since I just replaced the water pump do to a clogged one) and the engine cooled off. Pulled a tube for a half hour and had to repeat the same step. Worked good again until I started hearing rapping comming from the motor. Checked the oil (fine) tried it in neutral and reverse,still rapping but not overheating. Put the boat back on the mooring and here I sit.... AGAIN. ??????????????????