What carburetor do you have on this engine?
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If it has a screw-in filter on the carb, take it out and clean it or replace it.

There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!