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Bench sync whack-a-mole

Discussion in 'XJ Technical Chat' started by mmcgee, May 15, 2013.

  1. mmcgee

    mmcgee Member

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    I've read kiwixj750's bench sync guide. I get the process and end goal, but can not seem to get the valves open equal amounts. I can get 2-3-4 open somewhat equally, but 1 is shut completely. Adjusting any one valve seems to affect the others too much. it's like an evil game of whack-a-mole.

    All of the valves closed before I put the carbs back on the rack.

    Any ideas?
     
    mmcgee, May 15, 2013
    #1
  2. TIMEtoRIDE

    TIMEtoRIDE Active Member

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    Location:
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    If 1 is shut completely - it is jacking the others open.
    You start by raising the "idle" so #3 is open, and fiddle with the screws until 1,2,&4 are open.

    Make sure 1,2&4 are open FURTHER than #3

    then, adjust #3 onto your "test item" I prefer 2 strips of printer paper which is 0.010 inch thick and very flexible.

    Close the "idle" so #3 just touches the paper, but you can pull it thru and feel an amount of "drag"

    Adjust #4 to the same "drag feel"

    Adjust #2

    finally, adjust #1. #1 leans against #2 which leans against #3, and these have to be adjusted IN ORDER or you will get lost.

    Your carbs are now set to a reasonably good idle.
     
    TIMEtoRIDE, May 15, 2013
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