Forums 🚥 PIT STOP 🔧 Hyosung Technical Help Bigger main jets upgrade size for gt125r 2015

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    • #3601
      Josh D
      Member
      • Topics: 4
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      Joined:
      Dec 16, 2019
      @joshhyogt125r2015
      North wales
      Hyosung GT125R 2015
      Points: 62

      I have ordered an after market exhaust end can, and just need help finding what size main jets should i get.

      I am thinking i would need front:90 rear:92.5 main jets. mine has the stock ones which are front:87.5 and rear:90.

       

    • #3602
      ♠️ MARCEL
      Administrator
      • Topics: 38
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      Joined:
      Dec 16, 2019
      @mf448kxn6
      North UK
      GTR
      Points: 4,362

      Moved to Technical.

      Yes you are correct for the 125 it is 90 front and 92.5 rear as an upgrade.👍

      More about that here

      [Tutorial] How to swap Carb Main Jets – Hyosung GV & GT 125/250

      // Meditation doesn't mean you have to sit still....

      • #3617
        Josh D
        Member
        • Topics: 4
        • Replies: 4
        Joined:
        Dec 16, 2019
        @joshhyogt125r2015
        North wales
        Hyosung GT125R 2015
        Points: 62

        cheers, thank you.

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