Hi all, Newbie here - I bought this boat about 2 months ago - (early 198?, 15-1/2' Mitchell Boat, 1974 Mercury 650 O/B), and thanks to this site I have learned a lot. My question here is, "is my motor too powerful?". At WOT, I hit my Merc MFG range, 5000-5500 RPM. BUT, it is scary... boat moves...