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  1. #1

    Join Date
    Aug 2021
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    5

    Exclamation 2007 Waverunner FX1100 Cruiser Fresh Water in oil

    The back end of my waverunner sank and it got water in the oil holding tank. The ski was ran for a bit before we realized that and not the oil is like a milk shake. I vacuum pumped the milk shake oil and refilled with new oil, let it idol for a few minutes and repeated this process 4 times. I also replaced the oil filter.
    After that the ski starts up every time immediately and idols fine but when I attempt to give it gas and pass a certain rpm, the warning light and beep goes on and ski goes into a 'limp' mode and will not accelerate. As soon as I let go of the gas, the ski shuts off. It will start right back up again but the same thing happens each time.
    I took the oil out one more time and removed the new filter and noticed that the new oil filter is hot but is 'completely dry' with no oil in it.
    I am not trying to get to oil pump to try and clean it out but I can not find anything on the internet (videos) that show where the oil pump is or how to remove it and the oil reservoir.
    Any help or videos or what I should try checking would be greatly appreciated.

  2. #2

    Join Date
    Aug 2021
    Posts
    5


    This part is broken on the oil pump. Anyone know what it is called or the part number and where can I buy it?

  3. #3
    A new oem assembly is expensive but hereís a link https://www.yamahapartshouse.com/oem...13905/oil-pump

    You could try an eBay one but thereís no guarantee what your gonna get

  4. #4

    Join Date
    Aug 2021
    Posts
    5
    This small shaft is what broke. I can't find just that part and the whole assembly is over $500. Anyone know a generic part?
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  5. #5
    If you click on the link I sent the first item on the parts list is just the shaft/gear. Itís $150 so that might work for you

  6. #6

    Join Date
    Aug 2021
    Posts
    5
    Thank you but that's the 'female' side attached to the gear. The 'male' side of the shaft is what broke and I can only find it sold within the whole pump assembly, #2 on that list.

  7. #7
    Oh ok, I see what you mean. In that case you might have to buy the whole assembly or find a used one.


  8. #8
    Myself's Avatar
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    May 2007
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    I'd be more worried about what caused the shaft to snap......cause it certainly wasn't caused by some water in the oil.


  9. #9

    Join Date
    Jul 2020
    Location
    KY
    Posts
    70
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    Would a hydrolock snap that?

  10. #10
    This is how I run a jetski shop in the desert nmpeter's Avatar
    Join Date
    May 2008
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    Elephant Butte New Mexico
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    Nope

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