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Thread: Leak Down test

  1. #1

    Join Date
    May 2007
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    Lake Texoma, TX
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    Leak Down test

    How do you do a leak test once the motor is back together?? My polaris service manual did not have a thing on it??

    thanks
    Shawn


  2. #2
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
    Join Date
    Oct 2006
    Location
    Cleveland OH
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    Plug up all openings. Exhaust pipe, intake maniflod, (or carbs if mounted) spark plugs tightened etc... Seal it up air tight. Then put a vacuum or pressure (9 lbs.) through the pulse line fitting. See how long the vac/psi holds for. It should hold for a few minutes, if not you have a leak you need to find it, soapy water helps. Most common area to look at are crank seals and gaskets.

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