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Right side crank case cover

Discussion in 'XJ Technical Chat' started by Core, Jan 11, 2017.

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  1. Core

    Core Active Member

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    Hi Guys,
    Stripping a XJ900 RN engine and find that behind the right side crank case cover, there seems to be.... nothing!

    DSC_0016.JPG

    DSC_0015.JPG

    Gotta say, that took me by suprise.
    I don´t know what I was expecting but not this!
    I have scoured the manual and there is no mention of this.

    Another observation is that the inside of the cover plate seems to look almost the same as the other side with the timing plate. Could this be some kind of spare cover supplied by Yamaha hidden on the other side of the bike?
     
    Core, Jan 11, 2017
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  2. jayrodoh

    jayrodoh YimYam

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    That is normal. The hole is needed to bore the case when manufacturing and the cover is simply installed during installation. The covers are different and only fit the side they were made for. They may fit the opposite side(I've never tried but looks like it *might* flip) but the logo would be upside down.
     
    jayrodoh, Jan 11, 2017
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    Core likes this.
  3. Core

    Core Active Member

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    Thanks Jay
    On this engine, the cover for this side is cracked.
    Seeing there is no fluids or gasket, then no replacement required.
     
    Core, Jan 11, 2017
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  4. jayrodoh

    jayrodoh YimYam

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    Yup, no gasket on that side as there is nothing under there to protect :)
     
    jayrodoh, Jan 11, 2017
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  5. Maxim-X

    Maxim-X Well-Known Member

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    That's where the Meth goes when you come back from Mexico. Thought everyone knew that.
     
    Maxim-X, Jan 11, 2017
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    MattiThundrrr, Core and Stumplifter like this.

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