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72 trail keeps fighting me
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<blockquote data-quote="69ST" data-source="post: 168912" data-attributes="member: 5"><p>In post #14 he mentioned that he went with a brand new repop carb. </p><p></p><p>As for jetting, pilot airbleed screw adjustment, and jet needle height, there are no universal by-the-numbers settings circa 2018...only good initial starting points. In most parts of the country, pump gas (even corn-syrup-free flavor) has been reformulated...to lean out effective A:F ratios. Thus, here in Siberia-on-the-Great Lakes, a lot of machines need the next larger main jet to compensate (with jet needle height that may differ), as well as richer pilot airbleed settings...usually closer to 1-1/4 turns out from seated.</p></blockquote><p></p>
[QUOTE="69ST, post: 168912, member: 5"] In post #14 he mentioned that he went with a brand new repop carb. As for jetting, pilot airbleed screw adjustment, and jet needle height, there are no universal by-the-numbers settings circa 2018...only good initial starting points. In most parts of the country, pump gas (even corn-syrup-free flavor) has been reformulated...to lean out effective A:F ratios. Thus, here in Siberia-on-the-Great Lakes, a lot of machines need the next larger main jet to compensate (with jet needle height that may differ), as well as richer pilot airbleed settings...usually closer to 1-1/4 turns out from seated. [/QUOTE]
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72 trail keeps fighting me
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