Join Date: Sep 2008
Location: Victoria B.C. Canada
Thanked 105 Times in 96 Posts
Rep Power: 9
The proper temp for a raw water cooled engine is 140 degrees. Hotter than that and salt deposits build up rapidly. Fresh water cooled around 180.
I have a YSE-8 which is the predecessor to yours. My problem is it will not get up to temp and runs too cool.
Living aboard in Victoria Harbour