I have a 2005 8HP Yamaha 4stroke outboard model T8ELHD on my AB dinghy model 3.20 VS, LOA 10"6", LWL 9", normal displacement 750lb, maximum displacement 1400lb. The standard Yamaha propeller for my outboard is an 11-3/4" x 5-3/4" - R, 7 tooth spline, model 96GF-45941-00-EL. It"s my belief...