here is the fuel cleaner to use,and you can get it at most auto parts stores... https://www.amazon.com/Berryman-Chemtool-Carburetor-Treatment-Injector/dp/B000CCMNAG/ref=sr_1_1?ie=UTF8&qid=1486404202&sr=8-1&keywords=berrymans+chemtool+b12
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https://www.youtube.com/watch?v=d3rtjw20AeI