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1979 Evinrude 25 hp tiller
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<blockquote data-quote="Johny25" data-source="post: 261512" data-attributes="member: 7791"><p>Surging indicates a fuel delivery problem........ can be several things, float not set correct in the carb, weak fuel pump, clogged fuel pump, high speed orifice in the carb clogged, fuel lines sucking air, carb base gasket leaking, fuel tank vent hose not working. </p><p></p><p> If you pump the ball on the gas tank and the engine runs better then 99% of the time it is a weak or faulty fuel pump. If not then I would clean carb good and flush lines to be sure they are clean.</p></blockquote><p></p>
[QUOTE="Johny25, post: 261512, member: 7791"] Surging indicates a fuel delivery problem........ can be several things, float not set correct in the carb, weak fuel pump, clogged fuel pump, high speed orifice in the carb clogged, fuel lines sucking air, carb base gasket leaking, fuel tank vent hose not working. If you pump the ball on the gas tank and the engine runs better then 99% of the time it is a weak or faulty fuel pump. If not then I would clean carb good and flush lines to be sure they are clean. [/QUOTE]
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1979 Evinrude 25 hp tiller
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