I just sold my pontoon to my brother. I had it several years and never a problem. It is a 2001 60 hp Yamaha 4 stroke. We used it last fall and everything was fine. . When he put it in the water the alarm went off. He had started it in the driveway on muffs. We figured it needed a an impeller. He put a new impeller in it which it needed. It runs 4 minutes before the alarm goes off. He pulled the thermostat it is working fine. It is peeing a good stream, but continues to set the alarm off after 4 minutes. We cannot find a blockage,
Any help would be greatly appreciated.
Thanks
Any help would be greatly appreciated.
Thanks
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