I just put a new Solas Rubex 4 12.75x17 prop on my boat. 90hp Force, 17' Maxus Bowrider. Great power out of the hole, nice low speed plane for cruising, but at WOT I'm getting 5900-6000 rpm. The engine is rated at 5000-5250 I believe. Would it be recommended I go with a 21 pitch?
