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DT125R FORUM

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  4. Pilot jet advice

Pilot jet advice

Scheduled Pinned Locked Moved Engine
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  • Glynn123G Offline
    Glynn123G Offline
    Glynn123
    wrote on last edited by
    #1

    Hi, my Dt builds nearing completion, but one thing I've been meaning to do for a while is work out my jetting, the bike runs great at high revs and is jetting good at the main (250), running snorkel removed, Romeu hendriques pipe
    When snapping the throttle open at low revs it bogs slightly, the bike had a 210 main in when I got it so I reckon the pilots abit lean aswell. What's the stock pilot jet? And has anyone had any experience with swapping it?

    declanD 1 Reply Last reply
    0
    • CalumC Offline
      CalumC Offline
      Calum
      wrote on last edited by
      #2

      That'll be the snorkel at a guess. Put it back in and see if it still happens.

      Always Originate, Never Pirate!

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      • Irongamer727I Offline
        Irongamer727I Offline
        Irongamer727
        wrote on last edited by
        #3

        Anyone know what the stock pilot jet (idle jet) is for the dtr/dtx?

        DartyD 1 Reply Last reply
        0
        • Glynn123G Glynn123

          Hi, my Dt builds nearing completion, but one thing I've been meaning to do for a while is work out my jetting, the bike runs great at high revs and is jetting good at the main (250), running snorkel removed, Romeu hendriques pipe
          When snapping the throttle open at low revs it bogs slightly, the bike had a 210 main in when I got it so I reckon the pilots abit lean aswell. What's the stock pilot jet? And has anyone had any experience with swapping it?

          declanD Offline
          declanD Offline
          declan
          wrote on last edited by
          #4

          @glynn123 I had the same problem I had to bodge my carb but it’s definitely the pilot the snorkel makes no difference to that in my experience

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          • Irongamer727I Irongamer727

            Anyone know what the stock pilot jet (idle jet) is for the dtr/dtx?

            DartyD Offline
            DartyD Offline
            Darty
            wrote on last edited by
            #5

            @irongamer727 The stock Pilot Jet is (25) , My advice is to try (27.5) to support your mods.

            Also dont forget about Needle height! Very important aswell

            Keep it real

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