Originally Posted by Mike Paula

Well So here I go ride to the lake with my marked Coupler and Shaft and marked Prop and Prop shaft. Still attached to the trailer hit it in Revers then shut it down. Coupler and Shaft still matched up. Pull it out and the prop is spun on the prop shaft!!?? We guess what it is a rubber hubbed prop throw the new prop on there took a spin around the lake

Thanks for your time Mr Gagets. And everyones input!