Popping on secel and stallinh at idle after muffler repack

3 replies to this topic
  • sk8bd117

Posted October 07, 2014 - 04:58 PM


I have an 08 yz450f. Bike ran well the last time I rode. I re packed the muffler, and also rtv'd the pipes. The bike is starting to stall when I let off the throttle now. It seems to have more popping on decel than usual. I packed the pipe the same way I always have. Not to tight and exactly how fmf instructions say. It almost seems like I am having pilot jet issues?

Edited by sk8bd117, October 08, 2014 - 02:58 AM.

  • grayracer513

Posted October 08, 2014 - 06:10 AM


Sounds a bit like it.  Did the bike sit a while?

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  • sk8bd117

Posted October 08, 2014 - 03:53 PM


No I had ridden it a week prior to this.

  • mlcompound

Posted October 09, 2014 - 05:07 PM


Usually popping on decel is a sure sign of an exhaust leak. Double check the connections.

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