Pro xs stalls at idles/ Sluggish acceleration

sdbryant179

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Joined
May 26, 2026
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I have a 2012 115 pro xs 2stroke. Did a power head rebuild. Only starts under fast idle. Once I bring it back to neutral it shuts off. After a few tries it starts for a brief second without fast idle if I’m quick enough I shift it into gear I open the throttle about half way with very sluggish acceleration for about 2 minutes, then it opens up at 3000-4000 rpm and runs great until I begin to back off the throttle it drops down in power and if I bring it back to neutral it shuts off again.
 
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