I fish skinny water and took s
I fish skinny water and took some sand into my 90 merc. Buzzer comes on after a few minutes of running. Pisses a good stream of cool water. Heads are not hot to the touch. Took off thermostat cover and cleaned out sand and backwashed...twice. Runs fine. Buzzer...
"95 merc 40 hp. Plenty of oil.
"95 merc 40 hp. Plenty of oil. Good water flow (new impeller). Runs fine, but now the warning buzzer stays on all the time. We reciently replaced the trim relays but owner had reversed the poles (yikes!) on the battery to raise the trim before we replaced the...