Hello and good morning.
Recently picked up a 03' 17' roplene triump sc. It has a 04' Yamaha 50hp (Model: F50TLRC). Boat weighs 1,100.
Top speed is 30mph taching 5,200-5,300 RPMS. Boat has a 11.25" diameter prop with a 14pitch.
My issue is down low the motor has zero grunt and it really...