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  1. #1

    96 spx carb synchronize

    I am synchronizing the carbs on my spx : I am down to setting the idle now .Can anyone tell me the best position in fratcions of an inch or thousandths for the butterfly plate so i wont have to keep taking the flame arrest cover off .I am not near the water now and would like a baseline setting. My polaris sl650 manual shows 1/16 but seadoo just gives an rpm setting. Thanks

  2. #2
    Myself's Avatar
    Join Date
    May 2007
    North Central Arkansas
    Sorry, no good way to do that. The throttle blades need to open exactly the same amount. You don't need to keep removing the flame arrestor to set idle. There is generally a way to get a hand in there and feel the idle screw, it should have a T handle on it. Just get a feel for it before you put the arrestor on and you'll be able to adjust it in the water.

  3. #3
    You are correct. I walked to the other side and could get my fingers on it . Thanks

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