Based on my minimal research I think I have concluded that the reeds really aren't needed. I guess most of HP gain from 9.9 to 15hp conversion come from the 15hp exhaust and carb. I might get the reeds later though. And that is a great idea about just buying the 15hp engine instead of...
I'm looking for some thoughts or recommendations on weather I should sell my 1986 9.9hp Evinrude. It runs fine I'm mainly thinking about selling it because I'm not sure about parts availability. Should I just sell this engine for 4-600 bucks and buy a newer 4 stroke? Or would you attempt to...