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1965 evinrude fastwin
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<blockquote data-quote="DaveInGA" data-source="post: 310873" data-attributes="member: 166"><p>I would look at replacing the old fuel lines at this point. From your descriptions it sounds like they are dry rotted. If they're dry rotted, there is a good chance the fuel pump diaphragm may be dry rotted and need rebuilding as well. I just did this on a 86 Merc that had sat for a long time. The fuel lines were dry rotted and the diaphragm in the fuel pump was stiff as a board, preventing the fuel pump from providing enough fuel at high speed due to lack of elasticity in the diaphragm.</p></blockquote><p></p>
[QUOTE="DaveInGA, post: 310873, member: 166"] I would look at replacing the old fuel lines at this point. From your descriptions it sounds like they are dry rotted. If they're dry rotted, there is a good chance the fuel pump diaphragm may be dry rotted and need rebuilding as well. I just did this on a 86 Merc that had sat for a long time. The fuel lines were dry rotted and the diaphragm in the fuel pump was stiff as a board, preventing the fuel pump from providing enough fuel at high speed due to lack of elasticity in the diaphragm. [/QUOTE]
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