I'll second Mike Tabor...I took mine to him a couple of years ago. I had a nasty grind coming out of my motor and thought it was gonna be a bearing in the flywheel or something. Turned out to be a simple fix with something outta place under the flywheel. He coulda shook me down over that because I sure I had bad problems, but he didn't. Was very fair about it and did the right thing.