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  1. #1
    actis's Avatar
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    pump grease or gear oil?

    Is gear oil better to use in the pump rather than the seadoo OEM grease? Sure seems like all the grease gets pushed into the nose.


  2. #2
    Moderator Snoman's Avatar
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    I recommend using oil instead of grease....clean all the grease out of the cone/unit....then fill with 3 oz of oil...after that 2 oz is all you'll need...

  3. #3
    actis's Avatar
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    Quote Originally Posted by Snoman View Post
    I recommend using oil instead of grease....clean all the grease out of the cone/unit....then fill with 3 oz of oil...after that 2 oz is all you'll need...
    What weight oil? Also, 3 ounces total then go to 2 ounces the next change OR 5 ounces total?

  4. #4
    Moderator Snoman's Avatar
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    I use Mobile 1 75w 90 full synthetic....and yes...3 ounces to start then go to 2 oz at the next change...

  5. #5
    actis's Avatar
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    Quote Originally Posted by Snoman View Post
    I use Mobile 1 75w 90 full synthetic....and yes...3 ounces to start then go to 2 oz at the next change...
    Thanks Snoman!

  6. #6
    Olomana's Avatar
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    at what interval do you change oil? 50 hours?!

  7. #7
    Olomana's Avatar
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    at what interval do you change oil? 50 hours?!
    3oz is almost 90ml, i guess there is a reason for that?!

  8. #8
    I use NLGI 0 grease

  9. #9
    stuckmoto's Avatar
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    +1 on the oil. I use the same oil as Snoman but just use 2 1/2 oz.

  10. #10
    All the "how to" vids and threads I could find are for pre 1999 jet jumps. Anyone got links to the jet pump oil replacement procedure for 4-tecs? Or has it not changed?

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