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05 yamaha 25 4 stroke
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<blockquote data-quote="DaisyCutter" data-source="post: 432449" data-attributes="member: 21901"><p>The slow jet is primarily for idle and low RPM, the needle is for the midrange, and the main jet handles the upper end.</p><p></p><p>If it stalls out after a minute at WOT, it shouldn't be a jetting problem. The problem is the fuel demand is exceeding the fuel delivery into the float bowl. A clogged fuel filter, kinked line, weak fuel pump (if applicable), or poorly functioning float are likely causes. Supply can't keep up with demand.</p><p></p><p>Now if it won't even spool up, then you could have a jetting problem.</p></blockquote><p></p>
[QUOTE="DaisyCutter, post: 432449, member: 21901"] The slow jet is primarily for idle and low RPM, the needle is for the midrange, and the main jet handles the upper end. If it stalls out after a minute at WOT, it shouldn't be a jetting problem. The problem is the fuel demand is exceeding the fuel delivery into the float bowl. A clogged fuel filter, kinked line, weak fuel pump (if applicable), or poorly functioning float are likely causes. Supply can't keep up with demand. Now if it won't even spool up, then you could have a jetting problem. [/QUOTE]
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05 yamaha 25 4 stroke
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