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#22 |
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Member Emeritus
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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The cylinder wall are oiled on each stroke and the rings (especially the oil control rings) scrape the oil off. This is not a 100% perfect process and depending on the condition of the engine a very small film is left on the cylinder walls. The same applies to the valve stems.
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