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xj650 slight oil leak

Discussion in 'XJ Technical Chat' started by thehut, Jul 7, 2013.

  1. thehut

    thehut New Member

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    hi there just took the exhaust off my xj650 to replace the gaskets as it sounds like its got a slight blow. and noticed its got a slight oil leak. coming out of the barrel fins just by no 2 exhaust hole. think its leaking from the stud that holds the head on. could this be were the noise could be coming from. cheers
     
    thehut, Jul 7, 2013
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  2. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Probably not. And the leak is probably the valve cover, on the inside (toward the spark plug galleries) leaking, and running down between the fins to emerge at the front and worry you unnecessarily.
     
    bigfitz52, Jul 7, 2013
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  3. thehut

    thehut New Member

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    better check that. just done the valve shims. leak was there wen I baught it tho. I just reused the gasket
     
    thehut, Jul 7, 2013
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  4. kleraudio

    kleraudio Member

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    Yep, I have the same problem, a leaking valve cover.

    Len has the gasket you need and also replace the donuts. I plan on doing the same thing very soon (when I check clearances).

    Leaks drive me mad!
     
    kleraudio, Jul 7, 2013
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  5. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    "Donuts" only apply to YICS motors. On a pre-YICS motor, it would only require a new gasket and maybe a fresh set of "half moons."

    We don't know which 650 the OP has.
     
    bigfitz52, Jul 7, 2013
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  6. thehut

    thehut New Member

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    hi its the yics model. cant see any oil out the cover tho
     
    thehut, Jul 7, 2013
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  7. kleraudio

    kleraudio Member

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    Good call Fitz. Thanks for the clarification.
     
    kleraudio, Jul 7, 2013
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