This is the easiest fix (if your carb has an adjustable main jet) The altitude is causing it to run rich, At full throttle (high Idle), turn in the main jet screw 1/2 turn at a time until it starts to loose power a bit, then turn out till it perks up. Try it under load and see if a bit more makes better performance. Do the same for the Idle mixture screw at Idle, and it will do you well. If it has a fixed main jet, a different smaller jet will be needed. JimN
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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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