S SteveY Member May 12, 2010 #2 Won't have any bad effects unless one of them was seriously the wrong oil e.g. 2-stroke. A bit more information would be helpful e.g. are you talking about different brands, or different grades?
Won't have any bad effects unless one of them was seriously the wrong oil e.g. 2-stroke. A bit more information would be helpful e.g. are you talking about different brands, or different grades?