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Help with 1988 Johnson 25!!
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<blockquote data-quote="Bowhunter1661" data-source="post: 389376" data-attributes="member: 9937"><p>I have a strong feeling that my smoking problem is coming from the primer pump. I disconnected the fuel line that goes from the primer pump to the intake manifold and although I did not see fuel continue to come out after I primed it, the O-rings on the inside of the pump are squeaking really bad. I sort of believe that they have become dry rotted and hard thus not sealing properly, and when the primer pump is under a vacuum while the engine is running it is drawing fuel from the bottom of the float bowl through the failed I rings. We will see when I get the new pump how it reacts.</p></blockquote><p></p>
[QUOTE="Bowhunter1661, post: 389376, member: 9937"] I have a strong feeling that my smoking problem is coming from the primer pump. I disconnected the fuel line that goes from the primer pump to the intake manifold and although I did not see fuel continue to come out after I primed it, the O-rings on the inside of the pump are squeaking really bad. I sort of believe that they have become dry rotted and hard thus not sealing properly, and when the primer pump is under a vacuum while the engine is running it is drawing fuel from the bottom of the float bowl through the failed I rings. We will see when I get the new pump how it reacts. [/QUOTE]
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Help with 1988 Johnson 25!!
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