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    Oil analysis






    What should I check? Thanks guys!

    #2
    The ones that are under-lined are problem areas.
    Copper, Aluminum and Silica (dirt).
    Copper usually indicates bearings are gone.
    Aluminum would indicate piston wear and
    Silica would indicate dirt getting into the oil/engine usually through the air filtration system.

    Eric

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      #3
      I have to ask...what prompted you to have this done. Just for giggles?
      '83 GS650G
      '83 GS550es (didn't like the colours in the 80's, but they've grown on me)

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        #4
        Was this your initial oil analysis? If so, I'd wait until your next test to determine if anything is happening. There will always be trace elements in drain oil.

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          #5
          Thanks! And I had a free test so why not! And yeah this was the first oil change after the PO had it. sooo I am thinking its prob just fine. The oil light never came on either.

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            #6
            How is your air filter? Do you keep it well oiled?

            If the bike hasn't run for a while you might want to do this again after a couple more oil changes to see if the wear is settling down. The copper wear is troubling since the only copper parts I can think of is the crank and/or balance shaft bearings.
            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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              #7
              The air filter is good. How often should I clean it by the way? And yeah the copper could be anything at this point I had the covers all off. Could be some crap got in there.

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                #8
                Just run it until it blows up, then rebuild it.

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