Last weekend after dropping the boat in the lake I noticed it idling significantly louder than normal. I checked the temp gauge and it was normal as we accelerated it sounded like a hot boat then got quiet followed by a small white cloud out of the exhaust, since I had a boat full of guests I just made a mental note of this stuff and kept a close watch on the temp gauge. Everything went fine the rest of the day. On Sunday the same thing happened, this time we did not have guests and my wife asked why the boat sounded so loud. Same thing happened when we took off. We enjoyed the rest of the day skiing, boarding, and surfing with the engine running at normal temperatures.
Tonight I replaced the impeller and this is what I found:
Tonight I replaced the impeller and this is what I found:
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