"Jason, first off nice boat -
"Jason, first off nice boat - if my chart are correct your boat weighs in (dry weight) at a little over 2200 pounds and is rated for a 200 horse.
Rule of thumb - go nothing less than 80% of max horsepower or you will be disappointed.
So 200 x .8 = 160... Maybe a 150 is ok, 175 probably a little better.
The top end difference between either would be difficult to detect.
A 92, 2 stroke will weigh in between 400-450 pounds (dry) depending on the Mfg.
A 150 Merc Verado is a little over 500 pounds, ditto the 175 with Yami's/Honda's about 25 pounds less.
Any reason you haven't considered one of the Direct Injected 2 strokes? A whole, whole lot less maintenance, a little cheaper sticker price, just as fuel efficient/quiet and EPA/CARB ratings are the same - and they weigh in about the same as your old 2 stroke (near 100 pounds less than a comparable 4).....
Merc's Optimax, Yami's HPDI and OMC/BRP's E-Tech's will all kick the snot out of any 4 stroke of the same or greater horsepower just about any way you want to compare them...."