I use Evinrude Synthetic lower unit gear oil in my motor. When I put it in it is clear but when I drain it it is milky looking. So the logicall thing to think is water is getting in ,right?
I pulled the lower unit and did a complete seal job and put back together. I ran the boat this weekend and pulled the plug today to test the color and guess what? Yep it has the same milky color:bash. So I decide to do a pressure test to find where the leak is and was going to use my clear hose that use to fill the lower unit with new oil. It had some oil in it from where I last used it. I put my mouth to it to blow out the oil so that I only have air going in the lower unit and when I did the clear oil that was in it turned milky white:scratchhead.
So my question is can the oil maybe just turning milky fron the air in the lower unit mixing with the oil when the gears turn and not water intrusion?
By the way I went through with the pressur test and it held 15lbs. for 30 min.