HELP!!
I have a Yamaha Pro-V 200 hp 1991. It is blowing, spraying fuel back toward the carbs. iT RUNS OK BUT HAS LOST ITS PUNCH OVER THE YEARS. Its on a hydrostream voyager and currently runs at about 76mph and turns at 5800 5900 rpm. It used to run 78-79 mph and turn exactly 6000 rpm...
