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Hitachi Carb Anti Tamper plugs

Discussion in 'XJ Technical Chat' started by slackard, Jan 11, 2025.

  1. slackard

    slackard Active Member

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    Heya.. I remember reading on here years ago about removing the anti-tamper plugs on my old XJ's Hitachi Carbs, if ever I wanted a proper tune.. Well, that never happened & the XJ is long gone.

    Fast Forward... Today I'm working on an XS850 with very similar Hitachi CV carbs.

    Has anyone drilled out the anti-tamper plugs for the idle screw on the XJ or XS / Hitachi carbs?

    As you can see I already drilled in about 1/4" and haven't broken through.. Any ideas how thick the plug is? I do NOT want to eff up this carb. I'll continue drilling if there is a consensus that its safe to do so..

    If anyone has pictures or video of this process, that would be super helpful!

    Thanks!

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    slackard, Jan 11, 2025
    #1
  2. slackard

    slackard Active Member

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    I found this video that covers the topic pretty well.. I must be very close with my drilling.

     
    slackard, Jan 11, 2025
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    Brhatweed likes this.

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