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Oil Pump Cover Gasket

Discussion in 'XJ Technical Chat' started by Westrujp, Sep 9, 2016.

  1. Westrujp

    Westrujp New Member

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    Good morning.

    I have a "new" right side oil pump for my 650J to replace the existing which has a small crack.

    Looking at the parts fiche, the right side cover does not indicated a gasket. This is part #2 on the CRANKCASE COVER diagram. Sorry, not permitted to post links yet
    crankcase.PNG

    Is this correct, or does it use the same gasket as used on the left side?

    Thanks in advance for the insight.
     
    Westrujp, Sep 9, 2016
    #1
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    if you are talking about the crank shaft covers the left side as you sit on bike gets a gasket (where the pickup coils live) the right side does not and can be sealed with rtv .
    you can put a gasket there if you want but unless your crank shaft seal is leaking you will never go in there and possibly you would want the oil to start dripping out the cover

    in you pic above you are talking about part 2 with no gasket and gasket 3 on part 1
     
    XJ550H, Sep 9, 2016
    #2
  3. Westrujp

    Westrujp New Member

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    550, thanks for the reply.

    I have a small crack in on the right side, that may be leaking. I've not yet seen an actual drip, just a bit sludgy. Best scenario right now may just be to clean and degrease the area and see what comes up.

    2016-09-09 11.01.58.jpg
     
    Westrujp, Sep 9, 2016
    #3
  4. XJ550H

    XJ550H Well-Known Member Premium Member

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    you could fill that crack with jb weld style products or rtv if it is on the right side as you sit on bike there is nothing under the cover but the crank shaft seal.
     
    XJ550H, Sep 9, 2016
    #4
  5. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Neither one actually needs a gasket. They do keep the dust out though.
     
    k-moe, Sep 9, 2016
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  6. Westrujp

    Westrujp New Member

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    Roger that, thank you. What is the Allen type fastener below the right side cover?

    I need to stop trying to diagnose and just clean the bike...
     
    Westrujp, Sep 9, 2016
    #6
  7. jayrodoh

    jayrodoh YimYam

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    Oil passage for lower motor, part of the machining process. No need to open up as they are sealed up at factory.

    I wold put a gasket or rtv on the left cover, pickup coils are in there and would hate to see water get in.
     
    jayrodoh, Sep 9, 2016
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