Annnnnnnd fixed!
The wear ring has grooves in it, nothing jagged or alarming. Will replace after this season, but went ahead and ordered the impeller removal tool and replacement rings, in the event they fail before then.
What grease and loctite do I need?
I have the twin 1503s NA.
Today, the wife and I were tearing it up on the lake (48-52 MPH). We went through some light debris and before much longer engine made a slightly funny noise that caused the RPMs to drop from 7k to 6800, but almost immediately returned. Went in to the marina, topped...