View Full Version : Lower unit

Dave Kosar
05-28-2006, 11:33 AM
"When filling lower unit oil, oil started coming out of water intake inlet. Is there a overflow valve system for the lower unit oil?
Thanks in advance for your help."

05-28-2006, 12:13 PM

That does not sound good. There is no way for the oil to get into the water intake, unless a seal has gone bad, on the casing is corroded or cracked.


Dale Magoon
05-14-2007, 10:26 PM
"25 yamaha 2stroke,motor ran ok this spring start up,but when changing lower unit lube it came out milky,what needs fixing?"