SilvrT Posted January 13, 2013 Share #1 Posted January 13, 2013 Is there such a thing as shelf-life for gear oil? I've had this 1 qt jug of this stuff since about 1998. Have used it in my last 3 bikes no problem ... is it still good or should I buy new? Link to comment Share on other sites More sharing options...
spike13 Posted January 13, 2013 Share #2 Posted January 13, 2013 oil doesnt break down just gets dirty if its in a jug with a cap it should be fine IMO Link to comment Share on other sites More sharing options...
Guest tx2sturgis Posted January 13, 2013 Share #3 Posted January 13, 2013 If its been sealed for all this time, its still good. ALL petro based oils are already millions of years old before we start using them anyway. Link to comment Share on other sites More sharing options...
SilvrT Posted January 13, 2013 Author Share #4 Posted January 13, 2013 If its been sealed for all this time, its still good. ALL petro based oils are already millions of years old before we start using them anyway. Sealed meaning the cap is on?... yes. Funny, a different forum and I get opposite answers ... 6 posts on the Wing forum and they all say trash it and get new stuff LOL One even went to say a lot has changed in formula.chemistry over past 15 yrs... better to get new. I guess if you're a "Winger", nothing but the best will do eh? (I wonder if this is an attitude thing?). Link to comment Share on other sites More sharing options...
stroker ace Posted January 13, 2013 Share #5 Posted January 13, 2013 Sealed meaning the cap is on?... yes. One even went to say a lot has changed in formula.chemistry over past 15 yrs... better to get new. I would agree with probably better chemistry but would not think what you have is bad either. Link to comment Share on other sites More sharing options...
djh3 Posted January 13, 2013 Share #6 Posted January 13, 2013 I would say if its been sealed good with cap its fine. I mean how do you know how old the oil your going to buy off the shelf is? Does it have a sell by date? Yes formulas change, but if its a abc123 spec oil thats what the spec is from the time they make it until discontinued. Look at the API specs, when ever the car manufactures change up stuff they "invent" new specs for the oil. SA, SF, SG CG etc. Newer spec oil may superceed old spec and include them thus no one makes them any more because the newer spec covers it. Link to comment Share on other sites More sharing options...
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