Naco1 Posted March 23, 2013 Report Share Posted March 23, 2013 I removed the carbs and exhaust manifold on an L20b. I look in the exhaust port and see White residue/film/gunk on one of the valves. Is it something I should be concerned about? Thanks in advance. Quote Link to comment
Naco1 Posted March 23, 2013 Author Report Share Posted March 23, 2013 Awesome! Thanks. Ok. Back to wrenchin. Quote Link to comment
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