Question about Johnson Boating
possible water pump impeller failure that is blocking the water flow to the head / block
Posted on Jan 30, 2017
If water gets out the idle holes it's ok, you have cooling.
Off course, that spitting water is hot, it's mixed with 850°C exhaust gasses...
But, you should also have a waterjet coming from the tube at the starboard back of the engine. No jet, first thing to do is remove the hose connected to it inside the cowling and clean the jet in the cowling. Start the engine and look if water is running out the hose. If no water flows: check your impeller.
Posted on Sep 28, 2017
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