I have a 94 Donzi I just purchased that sat for over 5 yrs. I changed plugs/fuel filter. (Drained all fuel) Boat started up and idled fine. When I applied power to full throttle, the boat would not plane, and it seemed to lack power. The carbs are at WOT, but the power is lacking? I'm totally new to this, and would like any help or suggestions.
