I am running a 1.75 TM lower unit, 12 inch jp i moved jp back down to flush and put on the 25 bravo 1xs i made a few runs and have it bumped up to around 4.5 p to p, fully loaded with two grown men rpms were about 5850-5900 and top speed was 65 before i got an over heat warning and water pressure went to zero, im hoping i just sucked up some trash should have it out of the shop tomorrow to continue experimenting