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  1. #1
    MPG350's Avatar
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    Should I change the oil?

    I bought a 08 15F with only 32 hours.

    The prior owner had the oil changed last summer at 23 hours for the 20 hour check. Since the oil is now about a year
    old should I go ahead and get the oil and filter changed? At worst I was going to get it done at around 40-45 hour mark.


    Oil changes on a jet ski are all new to me…this is my first 4 stroke ski.



    T


  2. #2
    Spooling's Avatar
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    Quote Originally Posted by MPG350 View Post
    I bought a 08 15F with only 32 hours.

    The prior owner had the oil changed last summer at 23 hours for the 20 hour check. Since the oil is now about a year
    old should I go ahead and get the oil and filter changed? At worst I was going to get it done at around 40-45 hour mark.


    Oil changes on a jet ski are all new to me…this is my first 4 stroke ski.
    --------------------------

    Congratulations on your Kawasaki STX-15F.

    I am most certain the oil change interval is clearly defined in your Owner's Manual.

    Concerning the Oil Change Interval
    for the Model JT1500H (Ultra-300x) - published information in the Owner's Manual - it is stated:
    ------------------
    Change Engine Oil every 25 hours (or every year)
    Change Engine Oil Filter every 100 hours
    ------------------

    Hence, if I was you - I would probably run it for a few more hours and then just suck out the oil and keep the filter - assuming it's an OEM Kawasaki Filter till the end of the season - and start fresh with a new filter and fresh oil in the Spring.

    I been using the Kawasaki Oil - yet you can use another more readily available motor oil that is supplied by the local Auto Parts Stores certified for those ratings (for the Ultra-300x = API Rating of "SM") and viscosity (for the Ultra-300x Viscosity = 10w40) as defined in your STX-15F Owner's Manual. Generally 5 quarts is sufficient for 1 oil change.

    Lastly - I use this pump to suck out the engine oil. It works perfectly:

    Click image for larger version. 

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    http://www.greenhulk.net/forums/show...=1#post2061303

    Good Luck !!!




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  4. #3
    800AMSOIL4U's Avatar
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    Your oil change should be at least once a year. And if he changed it last summer I would change it now.

  5. #4
    Less than 10 hours on the engine since the last oil change?
    If it's my ski (and I have a 15F), I would put another 10-20 hours of riding then do it.
    Oil remains fairly clean on the 15F engine unlike sc engines.

  6. #5

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    If you are asking, I say yes change it. This way you get the piece of mind as well..

  7. #6
    First thing I do with anything new, ie ski, bike, car, is to change the oil, that way I KNOW it is right.

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  9. #7
    Take the time to smile sirbreaksalot's Avatar
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    Oil is cheaper than an engine....

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  11. #8
    MPG350's Avatar
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    Thanks guys. Yeah I think I will change it this weekend after some riding.

    Ive checked the level it is good and oil looks clean though.

    But like said a engine is much cheaper than oil change.

  12. #9

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    Quote Originally Posted by Rescue1 View Post
    If you are asking, I say yes change it. This way you get the piece of mind as well..

    +1

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