Thank you for your response. Problem is there seems to be no access to the backside of the hull because the boat is upholstered and there is no access port in that area. I need to investigate further. Surely there has to be a way to access that fitting.
I have a 2012 Lund Tyee. It has a plastic Attwood gas vent cover on the outside of the hull. I managed to shear it off flush with the hull leaving the vent hole open and exposed to spray. I ordered a replacement cap that is threaded and designed to be threaded into the fixture inside the hull...
I have a 2012 150 Mercury Verrado. It typically runs great. But just recently I started to have an intermittent issue. I can be out running the boat and all seems fine. Then sometime during the day I will start it, it idles fine, put it in gear and advance the throttle, no power. It seems to be...