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  1. #1

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    What is the purpose of the intermediate housing?

    I did my 10 hr service this weekend, and was wondering what the purpose of lubing the intermediate housing that is located behind the oil tank?


  2. #2
    Boilerman Bill BPnta's Avatar
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    Quote Originally Posted by Corey R. View Post
    I did my 10 hr service this weekend, and was wondering what the purpose of lubing the intermediate housing that is located behind the oil tank?
    It's for the seals on the intermediate shaft (I thought)

  3. #3
    hitman's Avatar
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    It's a big bearing, and bearings need grease.

  4. #4

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    What purpose does the bearing provide? Im guessing it comes from the motor to the impeller?

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    Addicted Member 5001craig's Avatar
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    Quote Originally Posted by Corey R. View Post
    What purpose does the bearing provide? Im guessing it comes from the motor to the impeller?
    It locates the impeller shaft and keeps it from wobbling--this in turn keeps the impeller centered inside the pump housing.

    Give it some grease as directed in the manual at 10 hours.

    I read on here that someone disconnected the grease hose from the intermediate shaft and pumped a grease gun until grease came out of the hose (it was apparently dry). I did not do this as I couldn't even see where it attaches to the bearing. When I removed the impeller shaft recently, there was grease on it so my hose had grease in it prior to me adding at 10 hours.

  6. #6

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    Thanks for the reply. I understand now.

    I did my 10 hour service and pumped the nipple with some grease. Then I read you should remove the hose and pump it to make sure its not dry.

    I took my hose off last night, and sure enough, it was empty even though I had greased it via the nipple.

    I removed the transom mount to gain easier access to the hose.

  7. #7
    hitman's Avatar
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    When I grease the thing, I hook up the grease gun to the nipple. Then, with my free hand, I put my fingers on the hose and follow it down all the way to the housing. When I get to the bottom I pinch the hose with my fingers. I then pump grease until I can feel it pushing against my fingers so I know that the hose is full, let go and give it 2 or 3 more pumps so I know grease is going directly into the housing. STOP PUMPING IF YOU FEEL RESISTANCE ON THE GREAS GUN. Otherwise you can blow out the seals.

  8. #8
    Taking money away from the Z06 Fund
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    Are you guys using Yamaha's recommended "A" grease or just your standard Marine grease?

  9. #9
    Addicted Member 5001craig's Avatar
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    Quote Originally Posted by poof100 View Post
    Are you guys using Yamaha's recommended "A" grease or just your standard Marine grease?
    The dealer I got my ski from didn't even have a clue about the different recommended greases.

    Our mechanic (who studies this subject a bit) recommended that I use Chevron Ulti-Plex Synthetic Grease EP. I go with that.

  10. #10
    Crashking's Avatar
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    i went ahead and just used the grease yamaha recomends... if anything i can say i used exactly what they said to use...

    and although i could not see where the hose went i could feel it... the car line i work on requires a lot of being able to feel what your trying to do instead of actually seeing it... so i pulled the hose off... pumped till grease came out and put the hose back on and pumped it a couple of times

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