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  1. #1

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    No Compression In One Cylinder

    Anyone have any tips on where to start or what the problem could be if there is no compression in one of the two cylinders of a wave runner?

    Any help would be great.


  2. #2

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    you need to post more info.like yr make model two stroke four stroke ect.

  3. #3
    BlueFishCrisis's Avatar
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    +1 and Welcome to the Hulk!

  4. #4
    I'm addicted to Polaris PWC ghostinstallations's Avatar
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    Quote Originally Posted by mazzella19 View Post
    Anyone have any tips on where to start or what the problem could be if there is no compression in one of the two cylinders of a wave runner?

    Any help would be great.
    Pull the spark plug and look in the hole. See any damage?

    -Damaged Piston
    -Damaged Rings
    -Broken Rod
    -Damaged Jug
    -Failed Head Gasket

    No matter what the cause, you need to start tearing into the engine.

  5. #5

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    It is a 2004 Polaris MSX 110. Front cylinder has about
    110 compression wh ile the back cylinder has 0.

  6. #6
    livin my dream, more please.! ukdude's Avatar
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    sounds like you really need to start tearing it apart mate, zero compression=very bad

  7. #7
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by mazzella19 View Post
    It is a 2004 Polaris MSX 110. Front cylinder has about
    110 compression while the back cylinder has 0.
    The Weber turbo engine is by far the most complex and difficult to repair engine in any Polaris watercraft.

    Unless you are really up for an arduous and lengthy engine rebuild, consider parting the machine out or converting the hull to another engine type.

    One excellent conversion option is to install a Seadoo 4-Tec engine. Several have been done to date, although it requires some fabrication work.

  8. #8
    burtonrider10022's Avatar
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    If you are not mechanically inclined and decide against fixing it, please private message me.

    (if you dont know how to do that, just go here: http://www.greenhulk.net/forums/private.php?do=newpm and put in burtonrider10022 for the recieving party)

  9. #9

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    Click image for larger version. 

Name:	broken_spark_plug_electrode.jpg 
Views:	186 
Size:	188.4 KB 
ID:	281049

    Looks like this...hole in piston?

  10. #10
    BlueFishCrisis's Avatar
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    Quote Originally Posted by mazzella19 View Post
    Click image for larger version. 

Name:	broken_spark_plug_electrode.jpg 
Views:	186 
Size:	188.4 KB 
ID:	281049

    Looks like this...hole in piston?
    Kaboom!

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