Having issues with my 2000 sea doo gtx. Has carbs and when out of water with hose hooked up seems to run fine plenty of rpms. Once i put it in the water seems to me that it will run great for 30 seconds and then seems to miss and bog down, running 4600 rpm at best 30 mph and that is a struggle. Replaced plugs coils and removed fuel tank to clean and put fresh fuel in it. Any help is welcomed!!