Greg Shoemaker
I have a CVX-20 w/460....Mildly built- 400hp...The Jetwas a JE since modded to a JF w/ Legend impeller- including a new bearing in 2004-5. Never had any issues with it, always grease and fill the oil, but last weekend I noticed at idle(800)-2000 it has a high-pitched whine, not very loud, so...