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Thread: 4-tec oil

  1. #1

    4-tec oil

    Besides the oil you can get for the skis at the dealer, what kind of oil is still good to use that you can buy from a auto parts store. 10w-40 synthetic or non synthetic?


  2. #2
    RustySeaRustyDoo's Avatar
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    I use this in mine...

    http://www.mobiloil.com/USA-English/...4T_10W-40.aspx

    Havent had any issues and its cheaper than Bombardier Oil.

    Whatever you use, make sure it has the JASO MA rating.

  3. #3
    anything else?

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    Ride Hard! aha's Avatar
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    800AMSOIL4U's Avatar
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    Quite a few people are using the AMSOIL 10w-40 Marine Synthetic and the 10w-40 Motorcycle Synthetic oil. As far as purchasing from an auto parts store. Make sure like RustySeaRustyDoo said that it is at least a JASO MA spec oil.

  6. #6
    ok thanks everyone

  7. #7

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    i am a master certified sea doo tech, and i would only use a maraine grade 10w 40 non synthetic for the supercharged but you can use synthetic on the non supercharged. the synthetic can fry the sc clutch.

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    SeaGoat's Avatar
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    I don't understand why everyone thinks synthetic's are more slippery then regular oil. It's the additive package that makes oil's differ. If the oil has a moly additive it could affect clutch operation but otherwise I don't see any issue. Mobil 1 should work fine.

  9. #9
    800AMSOIL4U's Avatar
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    Quote Originally Posted by KDSD731 View Post
    i am a master certified sea doo tech, and i would only use a maraine grade 10w 40 non synthetic for the supercharged but you can use synthetic on the non supercharged. the synthetic can fry the sc clutch.

    FYI here is some information for you regarding synthetic. Correct you will have issues using the BRP synthetic in the supercharged engines. You will not have issues using the AMSOIL 10w-40 Marine Synthetic Oil.
    Attached Files Attached Files

  10. #10
    Prohibido usuario
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    Quote Originally Posted by KDSD731 View Post
    i am a master certified sea doo tech, and i would only use a maraine grade 10w 40 non synthetic for the supercharged but you can use synthetic on the non supercharged. the synthetic can fry the sc clutch.
    Your a master certified tech who knows nothing about oil. Running a synthetic will not harm the sc clutch if it is Jaso-ma certified.

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