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Is this a sign of a failed head gasket?

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    #16
    Originally posted by Nessism View Post
    I'd split the whole engine. Parts are cheap enough to not worry too much about what you would find.
    That'll what'll I'll do.
    - 1983 GS850L ~ 30,000 miles and going up - Finally ready for a proper road trip!
    - 1977 GS750B - Sold but not forgotten

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      #17
      Just as a side note, a compression test is not always a good indicator of a bad head gasket on these motors.

      The compression sealing rings can be fine, but the 40 year old seals around the oil passages can go bad, allowing the oil to ooze out, while the motor still operates perfectly.
      1978 GS 1000 (since new)
      1979 GS 1000 (The Fridge, superbike replica project)
      1978 GS 1000 (parts)
      1981 GS 850 (anyone want a project?)
      1981 GPZ 550 (backroad screamer)
      1970 450 Mk IIID (THUMP!)
      2007 DRz 400S
      1999 ATK 490ES
      1994 DR 350SES

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        #18
        Originally posted by 93Bandit View Post
        If you had read my second post, you would have noticed that I'd like to do 850 piston/jug swap. That being the case, the engine will need to be torn down regardless. At this point, low compression due to a head gasket is moot.



        Twice now you've attacked me in referencing my signature. Feel free to exit the thread at any time unless you have something positive to say. I appreciate any and all constructive criticism, however I believe you're being childish.



        PO said it ran not too long ago. I put a battery in it and it almost fired but it's out of fuel. Also, I'm sure the carbs need a thorough cleaning. I have no reason to believe the engine has mechanic issues.



        This was my second thought, I wondered if a leak at the chain tensioner caused the leak so I looked, but that portion of the head is actually drier than the rest of the engine. Its oily all the way around the engine, even the front. I'm betting on a failed head gasket.

        Had you read Nessism's sig line you'd know I was making fun of him not you.
        But hey go ahead ignore sound advice and seek only approbation of your preconceived notions.
        1983 GS 550 LD
        2009 BMW K1300s

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          #19
          What difference would a compression test make on an engine that needs to come apart?
          Ed

          To measure is to know.

          Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

          Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

          Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

          KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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            #20
            wow its like its february around here or somethin'.
            1983 GS 1100 ESD :D

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              #21
              Originally posted by greg78gs750 View Post
              wow its like its february around here or somethin'.

              LOL

              Made my morning thx u
              81 gs1100E
              81 gs550
              74 xlch 1000 custom
              03 ktm 525 exc supermoto
              76 honda cj360
              72 honda cl350
              2 green parrots

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