The first jug and piston were fine. I replaced them because the threads for the spark plug were stripped out. There is scoring in the jug but the fellow from Bailey's says that it is metal from the softer piston that has marked the jug and that the acid will clean it off.
I recently put a big bore piston and jug on my 046. The saw ran for a few tanks and died. I pulled it apart today and the piston was heavily scored on the muffler side only. I am told that is what it looks like if it burnt too lean. I am going to keep the jug and replace the piston. I was...
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