Hey guys, I have a 12' Nautica RIB with a Yamaha 40hp 2 stroke outboard. It's a pretty light boat, probably 600 lbs with me in it. Currently I have a Yamaha aluminum 3x10-3/8 13 pitch prop, and the outboard has a 1.85 gear ratio. The prop is old and a little dinged up, but not too bad. I'm sure...
