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Thread: sealant

  1. #1

    sealant

    what is the best sealant to use in the head gasket and also in the exhaust pipe/??thnx


  2. #2
    javiert99's Avatar
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    I used copper sealant on exhaust gaskets:



    Head gaskets go on dry... RTV, etc gets eaten up by fuel, so no point in adding extra. The only thing that holds up to the fuel is (expensive) anerobic sealants

  3. #3
    iv seen hard white colored sealant from my engine before...do you know what kind of sealant is that??thnx

  4. #4
    Jug Inspector
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    Quote Originally Posted by javiert99 View Post
    I used copper sealant on exhaust gaskets:

    http://www.permatex.com/images/Displ...otos/80697.jpg

    Head gaskets go on dry... RTV, etc gets eaten up by fuel, so no point in adding extra. The only thing that holds up to the fuel is (expensive) anerobic sealants

    Uh oh... so you mean all the cases I've sealed with Ultra Black or Ultra Grey are no good? I've used them for years without a problem but crap... now I know.

    Bryan

  5. #5
    ph2ocraft's Avatar
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    I'll tell you another problem with silicon that makes it way into the engine cases...............
    it can wind up in the fuel pump diaphragm.

  6. #6
    Jug Inspector
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    Oh GOODY. Luckily I put just the tiniest bead on and smear it around really thin, barely anything compresses back out.

    Like I said it's good to know now.

    Bryan

  7. #7
    1FASTXC's Avatar
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    I use three bond 1211 for the cases. I think polaris recommends 1215 for theirs. You can also go to a yamaha dealer and get yamabond for the cases. Same stuff.

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