I did a compression test on moter starting from front to back... 140lbs,150lbs,140lbs,and number 4 cyl. 130lbs. I did the test on a cold engine. do these cyl. seem OK ????:
My 85 mercruser 170 is loosing antifreeze, have changed the riser but is still loosing coolant. Seem to run well but there is a blowby that seem to be moisture as apposed to oil burning any ideas???
my 1985 mercruser 170 is loosing antifreeze, put a new riser and still loosing coolant. Seems to have a blowby that feels like moisture but is running good.. Any feedback would be helpful. thanks mike..