200 yamaha lower unit

[Bruce Meyer]

200 yamaha, 2 cycle, I have a little oil leaking out of lower unit and it's milky, so obviously have had sal water leaking in. What should i do, other than change oil?

[astrobud311]

do a leak down test, thats how I found the leak coming from the oil seals in the drive shaft housing. It's pretty easy, I bought a mity vac hand pump, the one that does both vacuum and pressure. Used the hose and adapter that you put on the pump to fill your lower unit oil up. My 200 hpdi calls for 10 psi for 10 seconds. I pulled my lower unit and used some soapy water to find my leak. I would defenitly find the leak now before you ruin your lower unit.