The cylinder heads (or cylinder addresses) can warp slightly after a while. The milling process shaves off a skinny layer of metallic with Each individual go. After adequate passes, the cylinder head surface area is going to be correctly flat which makes certain the cylinder head gasket seals wholly. This https://bestplacetobuyoutboardmot00975.blogs100.com/29120923/used-outboard-motor-for-sale-wa-can-be-fun-for-anyone