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    #1

    Oil contamination

    I dont do a lot of liquid cooled engines so i have to ask if my hypothesis is correct.
    Im refreshing my goldwing and oils milky which tells me coolant leak. My question is if i do a compression check will that tell me which holes leaking if head gaskets the culprit? Im assuming thats what would have to leak for oil to get coolant in it. Same principal as a car right?
    MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
    1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

    NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


    I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.
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    #2
    Originally posted by chuck hahn View Post
    I dont do a lot of liquid cooled engines so i have to ask if my hypothesis is correct.
    Im refreshing my goldwing and oils milky which tells me coolant leak. My question is if i do a compression check will that tell me which holes leaking if head gaskets the culprit? Im assuming thats what would have to leak for oil to get coolant in it. Same principal as a car right?
    Well hell yes. Time for a relaxing tear down.
    one or more low numbers might point to a head gasket.
    1983 GS 550 LD
    2009 BMW K1300s

    Comment

      #3
      Leakage from water jacket to engine oil, may or may not, affect cylinder compression. Inconclusive.

      If the oil looks like a milkshake, you have big problems.
      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

      Comment

        #4
        PM sent Ed.......................
        MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
        1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

        NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


        I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

        Comment

          #5
          Originally posted by Nessism View Post
          Leakage from water jacket to engine oil, may or may not, affect cylinder compression. Inconclusive.

          If the oil looks like a milkshake, you have big problems.
          Yep
          BITD, my 95 Caravan blew a head gasket from the water passage to the outside
          Compression was good, ran good, just left a stream of coolant when n the ground when running
          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
          • Likes 1

          Comment

            #6
            Does the water pump drive off the engine (like the transmission) and have a shaft that goes from the pump into a engine oil side of things?

            I have had dirt bikes that had the water pump shaft seal fail and bleed coolant into the engine/trans oil.
            78 GS1000 Yosh replica racer project
            82 Kat 1000
            10 990 ADV-R The big dirt bike​
            Some dirt bikes
            • Likes 1

            Comment

              #7
              I will have to check a fiche and see. Thats a good tip. Thanks
              MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
              1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

              NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


              I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

              Comment

                #8
                First Timer..
                According to the fiche the water pump apparently drives off the transmission and has a smaller oring and a bigger one that seals to the transmission cover. I ordered them and will replace them, Cant hurt anything.. 20 and 24 here. Number 1 is the trans cover the pump goes into

                SAM_2272.jpg
                Last edited by chuck hahn; Yesterday, 09:50 PM.
                MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
                1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

                NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


                I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.
                • Likes 1

                Comment

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