THE 5-SECOND TRICK FOR MERCURY OUTBOARD MOTORS 600 HP

Jun thirty, 2012 #1 There are many of water-in-the-oil threads so I just assumed I would throw this out there. Any water suggests a seal is leaking, and it might be as easy as an oil fill plug seal or as hard for a prop shaft seal. The important thing is discovering which of them are leaking. After i rebuild a lower unit, I test it for both equally