I suggest you increase oil in the combustion chamber by running a richer carb adj rather than higher % oil to gas in tank. To support that I offer this. A 4 stroke running on lean air/gas mix runs hotter than on proper air to fuel. Heat is what mainly causes the damage. Having said that a rich mixture is difficult to attain with any CARB compliant engine because fuel passages are the very smallest that will allow engine to run. Any time I have a carb apart I slightly increase size of jets. A set of letter bits and pin vice work well and torch tip cleaners do also but I recommend keeping a set strictly dedicated to jet cleaning. A kinked tip cleaner will ruin jets.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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