Thanks. Fortunately, I'm dealing with an engine (and boat) that has been in fresh water for many years. I'll see if there is some flow issue coming into the impeller, but after that I'm probably going to need a professional mechanic to figure out any downline obstructions.
I have no idea how old the exhaust elbows are. 900 hours on the engines. Port running about 170 degrees. Starboard up to 190 degrees. There is no water flowing out of the exhaust ports on the starboard side. Nothing been tested yet.
On test run, I asked whey the starboard engine was running at a slightly higher temp than the port engine. Previous owner claimed it needed a new raw water pump impeller. Replaced said impeller (Sherwood impeller made by Pentair). Still not getting water flow out of exhaust holes at water...
On test run, I asked whey the starboard engine was running at a slightly higher temp than the port engine. Previous owner claimed it needed a new raw water pump impeller. Replaced said impeller (Sherwood impeller made by Pentair). Still not getting water flow out of exhaust holes at water...