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Fliip

What is this hole in my cylinder?

3 posts in this topic

Something is coming out of this hole... It looks like oil. I need you guys' help!

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That is the drain hole for the spark plug well. If it's leaking oil, either you plug is loose, or the cam cover gasket is leaking into the plug well.

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gotta be the 2nd answer

also the hole can be / is used to blow compressed air through to clean the plug area of dirt before removing the plug. ( remove the spark plug cap first)

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