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1982 750 maxum, oil leak

Discussion in 'XJ Technical Chat' started by Abaton6, Dec 22, 2018.

  1. Abaton6

    Abaton6 New Member

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    Hello, I just picked up an 82 750 Maxum, with 39k on the clock. This has been sitting for a couple of years. I hooked it up to a good battery, and put fresh gas in it. I got it running, but after 5-7 minutes, when l gave her a few good revs, she had an oil leak. It seems to be coming from the rubber "bellows" in between the secondary, and the drive shaft housing. Any ideas on what the issue might be? Thanks!
     
    Abaton6, Dec 22, 2018
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  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    XJ550H, Dec 22, 2018
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  3. k-moe

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

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    Is there any oil coming from the crankcase breather?
    It's located on the left just below the front of the airbox.
     
    k-moe, Dec 22, 2018
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  4. Abaton6

    Abaton6 New Member

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    I'll have to check that out. Hope it's nothing too serious.
     
    Abaton6, Dec 22, 2018
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  5. k-moe

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

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    That would be from the sump being overfull, either with oil, or with gas leaking from the carb float needles.
    Don't discount the middle-drive o-ring and seal though.
     
    k-moe, Dec 22, 2018
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  6. Chitwood

    Chitwood Well-Known Member

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    Agree with the above, but if it were me I'd want to make darn sure the whole crankcase isn't being overfilled with fuel from leaking carb needles/bad petcock or any combination thereof
     
    Chitwood, Dec 22, 2018
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