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Good morning, preschoolers. Today, the Professor tells us why engines burn oil. At the beginning, I said grams instead of milliliters, but you will probably know what I mean. I tried to discuss the main aspects of the situation in which the engine burns oil. If you have any comments or experiences, please comment. When it comes to valve seals, which I have treated a bit carelessly, in older units their replacement was indeed justified, today it is not necessary. Cheers! facebook: / profesorkris Instagram: / profesor_chris Workshop furniture that I use https://fastservice24.pl/ Channel support. 90 1910 1048 2123 4990 4252 0001 or https://paypal.me/ProfesorChris?local...