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  1. #1

    Having some oil issues, and I found this in the bottom of the hull.. What is it?

    Hey guys,

    A Friend of mine has an 09 RXP-X which has been spewing oil inside the hull, which we are trying to find out where.. I checked the Top Valve and it seems to be working fine, but we think the valve cover seal was leaking from a warm up test outside. Compression came out 120psi across all three when the engine was cold, although we did not do a hot compression test. It looks as though as it is coming out of the breather, but the breather isn't filling up, it's always empty.. Unsure, so any help there would be great.

    Anyways, in our digging, we found this in the hull under the engine, what is it?? Any guidance as to what it is, or where it goes would be greatly appreciated!

    Click image for larger version. 

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  2. #2
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    Looks like a fuel-battery vent check valve

  3. #3
    Mod less, ride more! troyheb's Avatar
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    I want to say it came from the stock air box somewhere. Or maybe the intake. I know I have seen it, just cant remember where.

  4. #4
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    Not sure on PX airbox but that 'looks identical' to the check valve in the GTX 09 iS airbox check valve which is at the bottom of the airbox. The oil could be coming from your crankcase ventilation which is routed into your air intake and it could be that when your ski is not running, the oil vapour settles in the airbox and leaks through the hole where this sucker is meant to be...

    If its not much oil, just maybe a couple of tablespoons worth, then it is possible...

    Anymore than that and I'd be worried its something else.

  5. #5
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    +1 on the airbox check valve, seen that on a 951 recently..looks easy to knock off too.

  6. #6
    Sturm215's Avatar
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    yeah goes on bottom of air box..... theres a lil hole for it to plug into

  7. #7
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    Make sure you put it in the right way, so the liquid drips out of the airbox. Blow into it to check (if its clean! LOL)

  8. #8
    The ski has a Riva intake on it, it was purchased with the intake, so it's possible that the previous owner may have just lost it during the installation. That makes me feel a lot better.. Thanks!

  9. #9
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    Sweet, its all good then!
    My engine is dripping with oil due to spraying it religiously before/after salt water use.

    Its possible the previous owner also sprayed the engine with oil/brp spray explaining the oil in the hull.

  10. #10
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by ChrisSK View Post
    The ski has a Riva intake on it, it was purchased with the intake, so it's possible that the previous owner may have just lost it during the installation. That makes me feel a lot better.. Thanks!
    That's good but does not explain spewing oil issue.
    does the ski have a catch can?
    If not, find the hose coming off head and see Where it leads too.

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