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View Full Version : semi synthetic switch back to regular oil?


GoOn3
03-01-2005, 08:52 AM
I have been running semi-synthetic oil in my 400ex for a couple years now. Can I just switch back to regular Honda NON synthetic oil?
Someone told me once you run synthetic or semi-synthetic as in my case, you can't switch to normal 4 stroke oil.
opinions ?????
cals400ex
03-01-2005, 10:57 AM
you shouldn't have any problems.
400exrider707
03-01-2005, 06:42 PM
I thought switching back and forth is what caused the gumming!? Maybe thats wrong!?
03-01-2005, 09:02 PM
i was told by grandpa to never switch back from synthetic to non but you said semi so i dont know and grandpa is an old coot
cals400ex
03-04-2005, 03:15 PM
i switch back and forth after i build my bikes. we don't want to break it in with synthetic.
03-04-2005, 04:45 PM
Originally posted by cals400ex
i switch back and forth after i build my bikes. we don't want to break it in with synthetic. thats different..your cylinder doesnt have the synthetic coating in it anymore after you hone it...were talking about doing it if YOU DONT rebuild your bikes
cals400ex
03-04-2005, 06:03 PM
i would think the synthetic coat would leave anyways due to friction.
bluetaz100
03-05-2005, 11:44 PM
it won't hurt a thing i'm a amsol dealer and it don't hurt if you mix other oil with it or change back to regular if you don't have the syn at your finger tips but one question i have for you is why would you want to syn is far better and can make your engine last much longer just a thought tim