When de-winterizing the CS34 this year, I had trouble getting water to go into engine to displace the antifeeze put in last fall.
Had the boat for 9 seasons, and never had a problem.
Time to look at the impeller.
Removed the raw water pump and took it home to look at:
|The fins were jammed in the outlet|
Luckily I was able to recover all broken off fins.
Also took the time to flush and replace the cooling system antifreeze.
I have not touched this system in the 9 years I have had the boat.
For $30 for impeller, probably should check it yearly.
I also replaced the thermostat while I had the system apart.
This definately solved the white smoke in the exhaust issue