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  1. #1

    Need quick answer for OIL Question...

    Hi, i got 2004 STX 15F Went to walmart and bouth Mobil 1 High Mileage Full Synthetic 10w-40. The guy that works there said it would be good. and that i don't have to get Marine oil.

    Is that Oil good for my engine or should i return it and buy some oil that was made specially for Marine engines. Please help as i need answer asap so i could change oil later today and open my season tomorrow. Thank you!


  2. #2
    Moderator DrewNJ's Avatar
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    Your fine with that oil. Several run it.

  3. #3
    I run exactly the same oil. You're good, just check it often.

  4. #4
    Formerly Ultra250 TN Aquaholic6801's Avatar
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    I dont understand why folks dont run what is recomended for their skis, they have MARINE oil for a reason......but hey to each is own......

  5. #5

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    Most people think oil is oil, Well thats just not the case, they make MARINE OIL for a reason. Its totally up to you , if you want to use it.. go for it. I don't recomend it.

  6. #6
    hilomikey's Avatar
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    I run the Kawi 4-stroke oil. Made for the ski sooo. I'm surprised the Amsoil man did not chime in on this yet! But now he will since I have mentioned it!

  7. #7

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    Come on people, the wall mart employee said it's going to be ok...

  8. #8
    Edify's Avatar
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    Can't blame folks for wanting to go cheaper, I guess. I just bought a case of 12 qts of the Kawi PWC oil . . . $90! And with more frequent changes due to GIO, that case won't last long.

  9. #9

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    I run motul full synthetic. It's not cheap, but if you modify your ski it'll run hotter and motul doesn't breakdown. my ski develops 17 to 20 pounds of boost with the stock pulley( secret mods,don't ask) so she runs hotter but the oil is still green. Thats what color it comes out of the bottle in. and yes the blow off valve is blocked and I'm running an autometer gauge so the psi numbers are accurate. Mobil 1 is good oil though, you could definetly do worse.

  10. #10
    JET250's Avatar
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    stock sc on 17-20 psi.

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