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Water in lower unit

rcsupercat

New member
During a routine lower unit fluid change I found water. I pressure tested the lower unit and found a tiny leak at 12 pounds of pressure in the prop shaft seals. I replaced them and pressure tested the lower unit again. It held 12 pounds of pressure for 30 minutes. I ran the boat for about an hour and checked again. Yup more water. Any idea how water is getting in if the lower unit holds pressure? I'm stumped.
 
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