View Full Version : Oil leekage from gov on yanmar 12 yse

04-09-2004, 06:02 PM
I have an oil leekage from my gov. on my yanmar 12 yse does anybody know the cause of this?

12-02-2005, 11:01 PM
"blow by or worn rings, always run this engine under 80 % load and take it out for a good 2 hour run. Use 15w40 lube oil. It may clean up. You can still get parts for this old girl which was made from 1971 to 77 When you rering service cyl head and fuel inj"