Hello iboaters!<br /><br />Working thru checking over a 78 175 evinrude and still waiting for a service manual to arrive.<br /><br />I'm working the lower unit and do not know the type of gear oil to fil it up with. Can someone help with the type. Also, when draining it, at the end, the oil seemed a little chalky, just a little grayish not black like the majority of it was. I have seen vehicle motors with broken heads and oil in the water and this did not seem the same or as bad. The nylon washers looked well used and will be replaced. Any thoughts on whether this was water(probably)intrusion and potential damage or issues to look for. Does my description sound normal for some water seeping in? I have no idea when the last service was done the motor.<br /><br />I will replace water pump after the manual arrives. <br /><br />How tight should the prop nut be? It will move with just my fingers. If the cotter pin is removed I could probably tighten the nut one more knuckle an insert the cotter pin.
