Repairs Yard Man fuel pump problem

SandbarBob

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Oct 12, 2010
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20HP Yard Man mower fuel pump works when you crank to start, mower starts but when running the pump stops pumping and engine dies. This has the small black pump with the vacuum hose to the manifold. Another possible hint: machine smokes badly. If the pump runs on vacuum pressure a bad valve might mess up the intake vacuum pressure? That's a guess that goes along with the smoking, I think.

Any thoughts??
 
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