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Thanks GrandPaulZ,

To answer your question, yes, the bike was smoking and yes, I do need four new valve guides. They definitely are worn. The manual states that the exhaust valve stems call for .3090 to .3095 inches whereas I am reading .3085 on the main stem.
I guess I was wondering if 5 thou was significant enough on valve stems? This stem wear is the only defect
Your only 1/2 thou .ooo5 underspecs not 5 ;not to say if you need replacement or not
 
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