Getting antsy for the salmon season, so I started to pull my lower to put a new water pump in.
And, the plastic tube that helps line up the water intake was melted. Looked up into the top half, and the water pocket had signs of heat/some melt from the outside. Gasket was okay and seal were...
Honestly when I bought the boat, it had a new T stat setup in it. Based on the Serial number of the engine, I can never find anything about the engine on any parts sites. The boat is a 1987 so I buy parts for it based on that year range. The serial sticker says: A612838
Thanks for everyones input.
Went and fired it up let it warm up at dockside for 20 minutes, temp never went past 170. Took it out for another hour. Temp hit 180 once, then came back to 170. To it back to the dock and let it idle another 15 minutes, stayed at 170. I went all speeds, but since...
No Alarm, not even sure where I would hear it from, or where it would be wired.
Engine SN# 0A688183
My Thermostat Looks like Design 1, so I didn't use the rubber 0 ring. Design 1 shows gasket on top of Thermostat, is that where the black 0 ring should go? between top of thermostat and copper...
The alpha pump will push just under 20 gpm. The pump deadhead pressure is about 20psi However as Bt doctur stated,
At what RPM is it pushing this flow?
Did some tests. Here is what I found.
First I ran the engine with the raw water line off the thermostat. Water was flowing at idle Lots of water with throttle. I pulled the line off the PS oil cooler, checked flow same results flow at idle and lots at throttle. I checked the cooler for...
I used Mercury parts from my marina.
Water pickup tube looked good.
Not sure how I would check if it is sucking air around the water pocket, so I am unsure.
Gen One
