Forums 🚥 PiT STOP 🔧 Hyosung Technical Help GT125R (2016) first ever project

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    • #14387
      Barry mcclinton
      Member
      • Topics: 2
      • Replies: 3
      @barrym
      Walton on the naze
      Hyosung GT125R

      Hi guys

      Iv pick up a GT125R that only needed a little work pmsl. Im going to upgrade my main jets to 90/92.5s, there was a bit of work done on it before I got it to get it started. This said that the pilot jents are to small. If I’m upgrading the main jets (bigger) will the pilots need to be larger to accommodate them? Thanks for any help

    • #14397
      ♠️ MARCEL
      Admin
      • Topics: 45
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      @mf448kxn6
      North UK
      GTR

      What size are the pilot jets ?

      Also main jets do not need bigger pilots as the main jets only kick in when you’re in 1st gear beyond 5mph ,  otherwise Pilots do the idling, starting, crawling (2mph+ until the main jet circuit switches when slides lift.)

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

    • #14399
      Barry mcclinton
      Member
      • Topics: 2
      • Replies: 3
      @barrym
      Walton on the naze
      Hyosung GT125R
    • #14402
      ♠️ MARCEL
      Admin
      • Topics: 45
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      @mf448kxn6
      North UK
      GTR

      What size are the Pilot Jets specifically?  The skinny tall ones.

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

    • #14407
      Barry mcclinton
      Member
      • Topics: 2
      • Replies: 3
      @barrym
      Walton on the naze
      Hyosung GT125R

      Hi iv gotta be honest I have no idea, iv looked online but no luck. Iv just printed out the workshop manual so will check though it 👍

    • #14409
      ♠️ MARCEL
      Admin
      • Topics: 45
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      @mf448kxn6
      North UK
      GTR

      Hi iv gotta be honest I have no idea, iv looked online but no luck. Iv just printed out the workshop manual so will check though it 👍

      Open the carb 1 more time , and use a bright torch, remove the skinny jets carefully  (they are like skyscrapper by itself) , then under the bright torch tell us the number of the jet. I couldn’t respond to the email until i saw this thread first , so it’s easier to make any quotes , if the pilot jets are ok, no need for new ones forever unless they are in bad condition.

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

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