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Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3981
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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I have 2 bf90a Honda outboards. 1 motor weep (peehole) pumps

Customer Question

I have 2 bf90a Honda outboards. 1 motor weep (peehole) pumps cold water, the other hot water. Any idea?
Submitted: 1 year ago.
Category: Boat
Expert:  Jason replied 1 year ago.
Hi Peter, my name is ***** ***** only 1 peephole on the engine. What is this other hole you are referring to? Can you take a picture of it for me?
Customer: replied 1 year ago.
1 peephole on each engine 1 is hot 1is cold water
Expert:  Jason replied 1 year ago.
Ahh Gotcha. If anything it sounds like the thermostat might be stuck open on the cold engine. If you pull the engine cover off, start the engine and let it run for maybe 5 to 10 minutes, does the cylinder head get real warm to the touch? (160F or so)
Customer: replied 1 year ago.
Yes it gets warm. The thermostat is new it also has a miss on a cylinder
Expert:  Charles replied 1 year ago.
Hello, my name is***** will assist you.I was just checking in to see if you still needed assistance with your engines. If so, please reply back to me and we can continue to troubleshoot the issue that you are having.