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  • Oil in, oil out?

    My 08 fuelie has 52K miles. I just changed my Mobile 1 10-40 synthetic MC oil at 5K miles. I put four quarts in last time and could only get 3.25 out today. It’s not leaking...must be burning it. Should I be concerned?

  • #2
    I never get more than 3 qts back either.
    Not sure if We should be concerned. But I Do try to check the level
    every so often to make sure it doesn't get Too low.

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    • #3
      Doesn't the oil filter hold some of the oil in it so you'll never get out what you put in?
      2012 Road Star Silverado S

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      • #4
        You might have to pick it up and shake it to get every drop, and yes motors use some oil.

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        • #5
          Oil filter holds quite a bit did you drain that properly? Also there's going to be a loyal trapped in the filter media that you cannot get out I would say 3 and 1/4 quarts plus the oil filter is about right for four quarts. I don't think he's motors burn much oil at all.

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          • #6
            Originally posted by Lug Nut View Post
            Oil filter holds quite a bit did you drain that properly? Also there's going to be a loyal trapped in the filter media that you cannot get out I would say 3 and 1/4 quarts plus the oil filter is about right for four quarts. I don't think he's motors burn much oil at all.
            Duh! You’re right! I didn’t think of the filter. I drained most out of it, but like you say, the element will retain some.

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            • #7
              Your not getting old are you Steve? Forgetting things? Need another ride to clear your mind.
              Life is tough, it's even tougher if your stupid----John Wayne

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              • #8
                Oil left in filter....oil in drain pan that doesn't come out easily....I would try changing oil at 3k or 4k just to see if you get a different amount next time.

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                • #9
                  I had a similar, and weird, experience this spring. First time I ever measured what came out... Got little more than 3 qts from the first; but filled the jug right to the very top, 4 qts. plus, from the second bike, and I KNOW I only pour in from out of 1 4qt jug the spring before.... I'm going to have to keep that bike... By golly, IT MAKES OIL!!!

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                  • #10
                    Bear in mind, you also have “cook off” of the base stocks at the exhaust side of the heads on a constant basis, where the oil is evaporated and goes out the vent. Can’t be avoided, especially on air cooled engines. You lose around 10% of your volume right there, even with the high thermal stability of synthetic base stocks. There is ALWAYS some cook off at the cylinder wall to oil ring as well. I wouldn’t be concerned.


                    Wherever you go in life, ride there if at all possible.

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                    • #11
                      Originally posted by jd750ace View Post
                      Bear in mind, you also have “cook off” of the base stocks at the exhaust side of the heads on a constant basis, where the oil is evaporated and goes out the vent. Can’t be avoided, especially on air cooled engines. You lose around 10% of your volume right there, even with the high thermal stability of synthetic base stocks. There is ALWAYS some cook off at the cylinder wall to oil ring as well. I wouldn’t be concerned.
                      JD, you’re always good for some great technical details. Thanks!

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                      • #12
                        Let's have a Barbecue with a cook-off?
                        Steve you bring the beer and girls with your bike pole.

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                        • Doc_V
                          Doc_V commented
                          Editing a comment
                          I'll bring the Cheddar Brats as long as Mikey brings his Pineapple Teriyaki burgers... DAMN those were good! Mikey, will you ship those bad boys? [hard to believe it's been almost a year]

                        • cike
                          cike commented
                          Editing a comment
                          WHAT?? Pineapple Teriyaki burgers???? where was I? and why wasn't I invited.... traitors.

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