Repopped a 2.5 for a guy a month ago, one new slug 10 over , rest all new rings. Bad head was replaced, all new seals , bolts ect he sends me this picture toddy. I have not had a motor come back yet Definitely not for water intrusion. What do you think? Do you think they were sucking water in under the cowel? Fuel? Click image for larger version.  Name: 8631359459271930941.jpg  Views: 49  Size: 409.0 KB  ID: 543705 Water in oil ?