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Thread: Honda CR 125 2005 Jetting

  1. #1

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    Whats the standard jetting on a CR 125 2005, MJ, PJ & needle,

    Keeps fouling plugs

  2. #2
    Senior Dave_M's Avatar
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    May 2008
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    I'm in a similar boat with my wifes CR125.

    Apparantly the first thing to check is the float height....I have no idea how to adjust this!

  3. #3

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    I'm in the boat too

  4. #4
    Senior marcusg's Avatar
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    Sep 2004
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    Alone in my Hobbit-burrow.
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    they are horrible std, first you want a 8 plug, they wont run well on a 9 in this weather, then you have to drop the pilot by 2 sizes, airscrew about 2.5 turns, lean the needle by one clip as well, that will be loads better.I cant remember the pilot jet size but std was way rich.The main jet was ok i seen to remember.

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