Took the boat out was cruising along fine. Stopped to fish a bit, started it up and it would not cruise, just go about 2 mph and do a lot of bubbling at the trim. It would rev up but not go above 2 mph. Had to drive back about 2 miles to the dock that way.What would cause it to all of a...
I have a 1974 Mercruiser 140hp 4 cyl I/O. For about 45 seconds ran without water, how much, if any damage was done? Had dog ears attached fell off when I engaged throttle to rev up.
Idles fine in the driveway and on the water. Give it full throttle and it sputters and backfires from the carburater. Won't go over 10 mph. I changed the points, condenser and plugs. Put HEET in the gas tank with new fuel and stabil. Sprayed carb cleaner in the carb and still have the same...
