Join Date: Jan 2002
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Honda 4 stroke outboard
I did have a similar problem. Not all that you mention but I did have insufficient discharge water exiting the engine. The engine seemed to over heat and stall periodically.
I found that the thermostat was completely encrusted in salt and corrosion residue.
I removed the intake manifold cover and cleaned out the thermostat and water snorkel and it fixed the problem. Now the engine runs fine.