crf 80 stalls when choke closed

6 replies to this topic
  • alabamadave

Posted March 07, 2013 - 08:35 PM



I have cleaned the carb,pilot jet,main jet and still when I close the choke the bike dies. What in the world could it be? I have tried to idle it up and then close the choke and still dies.

things that make you go hmmmm!




Posted March 07, 2013 - 08:36 PM


You can't clean a pilot jet. Replace it.
You probably have the passage above the pilot jet still clogged.
Use monofiliment wire.

  • 87XR250R

Posted March 07, 2013 - 11:06 PM


Money on the Pilot jet like the above post. Any decent shop should have a new one, if not a soak in berrymans chemtool, and a wire from a brass wire brush should fix it up.

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  • shagger

Posted March 08, 2013 - 04:46 AM


Gun clearer works pretty well too.


Posted March 08, 2013 - 10:37 PM


it is normal for a bike to not run with full choke. if it stalls when you take choke off, then you are too lean.

  • clintsmx

Posted March 09, 2013 - 05:07 AM


if your still having trouble after cleaning/replacing the pilot jet then you might want to check for air leaks around the intake manifold.Those o rings are prone to leaking. Also make sure you have decent flow from the fuel valve and that its making it to the float bowl.

  • socalxr

Posted March 09, 2013 - 08:42 AM


Are you talking about on start up or after it's already warmed up?

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