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  1. #1
    rsg1963's Avatar
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    Favorite Oil for SC ski's?

    I ran AmsOil Marine 10-40 in my 2008 LX, and use Red-Line Racing 2 stroke in my SX-800 R. Just wondering what you guys run in the SC skiis? Any favorites out there? Any deviation from the 10-40 weight?


  2. #2
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    Royal purple or mobil1 is what I run. Amsoil is decent oil just not readily available

  3. #3
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    The same can be said about amsoil I have run all three and done very extensive real world testing in all my high hp machines. But oil is subjective to the user. Just use what u think works best for you.

  4. #4
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    I have oil results but better yet I have torn down motors with over 100,000 miles and where all the journals almost looked new and no hot spots on con rods And motors where not torn down because of failure. all my test with everything I do are real world with first hand experience

  5. #5
    800AMSOIL4U's Avatar
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    Quote Originally Posted by no_more_rice View Post
    Amsoil Marine 10w-40 is a good pick, but I may mix it with 20w-50 in hotter weather and/or if I see fuel dilution (some fuel dilution is inevitable with high boost)
    Yes some oils with only a 2% fuel dilution will drop from like a 10w-40 to a 10w-30 weight.

  6. #6
    rsg1963's Avatar
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    Thank you all for the info. I change oil every 20 hours so I've ordered some 10-40 marine Amsoil for her and a few K&N filters. I appreciate the feedback.

  7. #7
    Quote Originally Posted by rsg1963 View Post
    I ran AmsOil Marine 10-40 in my 2008 LX, and use Red-Line Racing 2 stroke in my SX-800 R. Just wondering what you guys run in the SC skiis? Any favorites out there? Any deviation from the 10-40 weight?
    Most oil related engine failures are due to LACK OF OIL not type of oil.
    Any oil is better than no oil. Whatever you end up using, just make sure it's at proper level.
    Especially on LX, I would not go too crazy like using racing oil. Typical 10W-40 would be fine just like how it comes from the factory.

  8. #8
    Quote Originally Posted by no_more_rice View Post
    Do you have actual used oil analysis results?
    I do.


  9. #9
    Quote Originally Posted by no_more_rice View Post
    Is that from a 250/260? 10w-40? 5% fuel dilution and low viscosity - par for the course. With that type of result, I would run 20w-50, if not a straight 50 weight
    That's from 300X, first oil change at about 5 hours. Result is somewhat expected and not too surprised from barely broken in supercharged 17 psi engine. Will do another one soon after running about 15-20 hrs or so. Using higher weight might be a good idea to keep the oil viscosity in spec since I (and not many others too) don't ride in too cold weather anyway.

  10. #10
    2005 RXT Red08Ultra250's Avatar
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    that sample shows a sample date of 04/07/2009 ?

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