Hi guys,<br />I have a 2000 "Mercury Mouse" boat.It has a 15HP<br />2 stroke.My problem is that the the motor will only reach 4800 Rpm WOT using a 9" pitch prop.If I use a 7P it will turn 5200 RPM.This brings it within spec,(5000-6000) BUT I lose top speed by about 4MPH.<br />There are several...