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    1979 Johnson 9.9 Water Exiting Exhaust Relief Holes

    I’m gonna be honest, I changed the water pump and removed the factory tell tale and replaced with a vinyl tube rated to 160 degrees so it wouldn’t melt. It still vents out the exhaust but I haven’t noticed a reduction in power or any significant problems. I run on a big lake and flooded Timbers...
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    1979 Johnson 9.9 Water Exiting Exhaust Relief Holes

    I have not yet I will be doing that this week
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    1979 Johnson 9.9 Water Exiting Exhaust Relief Holes

    I had 3 adults, a dog, and a bunch of duck hunting equipment on the boat during the video
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    1979 Johnson 9.9 Water Exiting Exhaust Relief Holes

    Yes it is a brand new thermostat in there, 1979 Johnson 9.9 motor on my 14 ft Jon boat And yes it is at full throttle
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    1979 Johnson 9.9 Water Exiting Exhaust Relief Holes

    Here is a video from my outing today The tell tale quit peeing but the exhaust housing was lukewarm And the exhaust relief holes still vented water Could this be a sign of an open thermostat?
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    1979 Johnson 9.9 Water Exiting Exhaust Relief Holes

    I think it was splashing up, I saw that as well but didn’t find any water leakage. Still torque checked the water jacket though, for good measure
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    1979 Johnson 9.9 Water Exiting Exhaust Relief Holes

    In the video, I had it above idle, in the “start” parameter on the throttle. I took it out hunting this morning, telltale was still a bit weak and then once it warmed up and topped out, tell tale had drips coming out Ran for 20 minutes on the lake with no overheating issues though Previously...
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    1979 Johnson 9.9 Water Exiting Exhaust Relief Holes

    My 1979 has water coming out of the exhaust relief holes at idle. I just replaced water jacket, thermostat, power head manifold(where the spark plugs thread into), and water pump. I have attached a video Is it normal for that much water to exit in idle?
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