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  1. #1

    Blown oil cooler water line 2012 300x...

    Hi guys,

    Went out on the ski today (2012 300x, 25 hours) and had a few dramas...

    Just as the fuel light came on an i started to head to the ramp my ski started to 'bog down' and loose power. Initially i thought i had something stuck in the propeller (bad vibration) but after 15min of idling back to the ramp the ski started sinking in the back and taking on water. Thankfully i made it back to the ramp under power. To my horror when i pulled the ski out of the water i found the hull was full of water (half way up the block). After checking a few of the lines i found the water line that feeds the oil cooler (i think), locate just to the right of the dip stick at blown.

    Has anyone else had this problem or any lines blowing with the 300?
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  2. #2
    Self Confessed Day Dreamer toomanytoys's Avatar
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    I think there is a thread on here somewhere about this same issue? I recall reading something about the hoses not being the best quality.

    Lucky you made it back!

  3. #3
    nicjak's Avatar
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    exactly the reason i run an electric bilge, for those unknown leaks

  4. #4
    Self Confessed Day Dreamer toomanytoys's Avatar
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    Here is the thread I was talking about

    http://www.greenhulk.net/forums/showthread.php?t=166255

    Cheers, Mal.

    PS: I might have to add a Kawasaki tow rope to my Seadoo tow rope collection

  5. #5
    Self Confessed Day Dreamer toomanytoys's Avatar
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    I double checked all my hoses this afternoon. I'm not sure, by I think the same hose has a "soft" section. It's between the fitting and the bend. After the bend the hose fells more solid. I wonder if it's just the heat coming off the block that is causing it to soften? However, maybe I'm just imagining it, but still, now I'm worried and will replace it ASAP.

    I have now packed some more tools in the ski, also some duct tape and cable ties. hopefully I'll be able to repair a potential failure without needing to be towed home by a Seadoo. hahaha

  6. #6
    Aussiepauly's Avatar
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    Seeing how long the hose was when we found the leak, I reckon the hose was too long and was probably bouncing around very hot hitting shit and it weakened and blew out!

    I'll bring some tow ropes tomorrow too Mal with all the 300's out, I better bring my bilge pump for you to!!Ha ha

  7. #7
    Quote Originally Posted by toomanytoys View Post
    Here is the thread I was talking about

    http://www.greenhulk.net/forums/showthread.php?t=166255

    Cheers, Mal.

    PS: I might have to add a Kawasaki tow rope to my Seadoo tow rope collection
    Thanks fir finding this!!!

  8. #8
    My hose that burst was also wrapped in the black heat shield plastic which i had to strip off to find the blown hose.

    From reading the previous thread it seems to be a know problem. I will definitely be heading the Pirtek next week to replace this and any other lines i can find.

    I think a bilge pump is also on the cards now...

    Don't worry Mal - I have a Kawasaki tow rope, no need to make things wore using a Doo tow rope!

  9. #9

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    That sucks, i just done the Mark Hahn and changed those poxy pipes before the race they always blow, its one of the first jobs i done / remove the inlet manifold and replace all three pipes with thicker stronger ones. The rear supercharger and engine block and intercooler pipes are a much better quality and dont need replacing, you think kawasaki would learn from there warranty claims !!!???

  10. #10

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    When I added new hoses to a jetboat I used all braided stainless lines. Silicone is great for high temps and looks pretty, they are pretty soft for abrasive/chaffing conditions.

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