sneak_e_pete Posted May 31, 2022 Report Share Posted May 31, 2022 Hi all, haven't been on here in forever, so first of all hello to everyone. I need some help. Started my Yamaha F20 this year and no water was "peeing out". I tried to clear any obstruction around the hole and nothing. I took the lower unit off and replaced the impeller (old one looked fine) and still nothing. When I start the motor, I can tell it is pumping because the water is being forced out through where the lower unit and top end join. The only thing I can think of is that the water pump housing is leaking? Any thoughts/suggestions? Thanks in advance! Link to comment Share on other sites More sharing options...
lew Posted May 31, 2022 Report Share Posted May 31, 2022 Could be a spider nest in the tube which is very common. Take a piece of stiff mono leader and push it into the hole and that will quite likely fix your issue. 3 Link to comment Share on other sites More sharing options...
BillM Posted May 31, 2022 Report Share Posted May 31, 2022 Thick mono or trimmer line up the pilot hole would be the first thing I do. 1 Link to comment Share on other sites More sharing options...
misfish Posted May 31, 2022 Report Share Posted May 31, 2022 What they both said. I had this a few times and it was always a wasp buried in it. 1 Link to comment Share on other sites More sharing options...
sneak_e_pete Posted May 31, 2022 Author Report Share Posted May 31, 2022 Will give that a try tonight. Thank you! Link to comment Share on other sites More sharing options...
SlipperyVic Posted June 1, 2022 Report Share Posted June 1, 2022 My 30hp Johnson would constantly get a spider in the tube and I'd have to clear it out with a bottom bouncer. I started putting a golf tee into the tube every time I'm done with the boat and problem solved. 1 Link to comment Share on other sites More sharing options...
tomO Posted June 1, 2022 Report Share Posted June 1, 2022 Thermostat? Link to comment Share on other sites More sharing options...
Rizzo Posted June 3, 2022 Report Share Posted June 3, 2022 some of these motors also have a thermostat. I thought I had a problem once because mine wasn't peeing out either...waited around 30 seconds and it started. That was in some cold conditions, gotta admit I was very nervous letting it run those 30 seconds! 1 Link to comment Share on other sites More sharing options...
rockin-steelhead Posted June 4, 2022 Report Share Posted June 4, 2022 (edited) As others have said could be thermostat think there is a way to test the impeller if pull the lower end and are able to turn the shaft at a good speed. Edited June 4, 2022 by rockin-steelhead Link to comment Share on other sites More sharing options...
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