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About FMFRacing73

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  1. Hi, I am trying to remove the current insert and install the quiet insert in the Powercore 4 muffler that I have on my 2016 CRF250L with no luck. I remove the allen key screw holding the current insert in place then tried to pull out with needle nose pliers, dental pic, etc with no such luck getting any movement. Would there be anything else holding it in place? Thanks 

    1. FMFRacing73


      those things could be tricky boogers sometimes. what we found works best if its being very stubborn is taking the bolt out and starting the bike. You can ride it around in a controlled area and the heat and pressure should just push the insert out.

    2. titleist01


      Great, thanks for the help.

    3. FMFRacing73


      No problem at all.