I use seafoam also in my 2 stroke. I just did a decarb consisting of 1 gallon of fuel mixed with a 16oz can of seafoam in a separate tank. Ran just above idle for 15 min. Let sit 15 minutes and then repeat once more. Smoked like hell. Replaced the plugs and she's running better than ever!
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1994 Wellcraft V21
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