The garden hose is the best way to check it. On mine, there has to be at least about 2-3 inches of water in the bilge before it comes on. I have a 2018 SPX230. Our pump worked when turned on with the switch but not automatically with the batteries tu...
I just took delivery on the same boat 250 HP (Bravo 3) seems fairly adequate to me. We went out with the salesman for the delivery and it ran just fine. Cruised nice around 30mph @3300 rpm. We put the pedal to the metal a coupe times our best was ...