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General Minitrail Talk
Tech Area
CT70 runs, won't idle?
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<blockquote data-quote="69ST" data-source="post: 170579" data-attributes="member: 5"><p>Have you verified that there are no vacuum leaks? Doesn't take much of one to kill the idle and they don't always manifest in hard-starting (especially when cold).</p><p></p><p>The other possibility is more ominous...a blockage in the carb body itself. If the pilot airbleed circuit is obstructed, no fuel can be drawn through the pilot jet. </p><p></p><p>That said, before tearing the carb apart, visually check the idle stop. Look into the carb throat, then turn the screw clockwise; you should see the gap, between the venturi & slide, grow larger. If not, there's your problem and it's an easy fix.</p></blockquote><p></p>
[QUOTE="69ST, post: 170579, member: 5"] Have you verified that there are no vacuum leaks? Doesn't take much of one to kill the idle and they don't always manifest in hard-starting (especially when cold). The other possibility is more ominous...a blockage in the carb body itself. If the pilot airbleed circuit is obstructed, no fuel can be drawn through the pilot jet. That said, before tearing the carb apart, visually check the idle stop. Look into the carb throat, then turn the screw clockwise; you should see the gap, between the venturi & slide, grow larger. If not, there's your problem and it's an easy fix. [/QUOTE]
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CT70 runs, won't idle?
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