Check the fuel filter. What condition is the primer bulb in? Was it compressed or normal? Try pumping it when the motor starts to die. What's the level of gas in the tank? Does the motor die as the boat gets on plane? Loosen the gas cap and try it.
My old 175 two stroke never peed on muffs after I replaced the water pump but worked fine on the water and with the motor in a tank. I only flush my current F150 in a tank (96gal trashcan) just make sure the water level is as high as possible above the water pump. For some reason this motor is...
Have you checked the fuel filter, 2 stroke oil level? What condition is the fuel primer bulb when the motor acts up? Is it collapsed or normal? Try pumping the bulb when the motor starts to run bad and opening the gas cap. Can it be the motor is starving for gas as the bow rises as it gets on...
All good information above. check compression, oil/fuel mix, water pump replacement. If possible I'd start it in a tank where the water level is higher than the water pump. Hope it's starts and runs well for you, let us know what happens.
"The only button toggles between auto and manual. When I flip that switch I hear the pump start up in the bilge area" That's because the switch is for the bilge pump. Find your bait pump. Trace the input hose from the tank. Is there an intake screen on the bottom of the boat? " If I open the...
