Whatsup I recently swapped my whaler 13 from a 25 hp engine to a 50 hp engine. I also added a Kent fabrication bracket to allow the whaler to run the 20” shaft 50 hp.
currently it has a 13.75 x 15 aluminum 3 blade prop. After a water test she will only run 4200 max rpm at 27 mph. The motor is...