I have a 85hp. 1985 force engine it run very good wide open for a shor time, I get a bearing spinning sound from the top of the engine, if i slow the engine down to 1/2 way the sound go away. I have ask people about it and say most engine have a oil line to the top bearing to oil it. I can not find one on this engine, is the bearing a seal type or is the oil lin in the engine houseing and do i need to chang the bearing.