Re: 1980 puch magnum ii running poorly

..... poop /
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Clean the tank if needed, new fuel line & filter, cook the exhaust out over a hot bbq then seafoam the head through the plug hole after warming it all up.

Let it run and smoke out for a long while, you may notice a change in the smoke color/smell as the seafoam burns off. if it's still happening you may have a leaky seal.

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