Re: Water pump o-ring
I second the recommendation of wilde1j.
I'm a newbie == first time boat owner, and just replaced the impeller in my 97 Evinrude, 90 HP. I was getting frustrated trying to keep everything in place during re-assembly, and finally grabbed the tube of permatex and used a couple of "dots" here and there to keep things is place. This worked great for me!
Not too, much - just enough to hold things in place. Good Luck!