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Cv carb trouble

Discussion in 'Motorcycle Tech Talk' started by panhead61, Jun 15, 2011.

  1. panhead61

    panhead61 New Member

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    i have a 79 sporty that i put a cv carb on. My question is where do i draw vacuum from for the carb
    panhead61, Jun 15, 2011
    #1
  3. hotroadking

    hotroadking Super Moderator Staff Member

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    Shouldn't have to draw any vac from the carb, unless you have a vac operated petcock there should be a brass tube on the top of the intake manifold that you connect a rubber hose from the petcock to the intake for the vac...

    Otherwise the carb won't need vac to operate...

    If you have a high flow non vac petcock you need to cap the vac port with a rubber cap and a zip tie.
    hotroadking, Jun 15, 2011
    #2
  4. chucktx

    chucktx Moderator Staff Member

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    agree!!
    chucktx, Jun 15, 2011
    #3

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