Sorry to hear about your father passing. If money is a concern, I'd honestly sell what you've got while it still runs and operates fine, and then get a newer boat with newer/new motors already on it. If money is no option, which is kind of what it seems like at least for a dual outboard repower, I'd consider a few options. First, I'm not sure what your current outboards are, in that are they an HPDI or OX66? Either way, the weights on your current motors should be around 415-450 lbs a piece, roughly. If your scuppers and boat currently handle well, I'd consider something similar in regards to weight, which would likely be Mercury. They make their 150 hp, 175 hp and even 200 hp FourStroke series outboards which weigh in at either 455 lbs for the 150, or 475 lbs for the 175/200, depending on what size you get. I personally think that Yamaha outboards look the best on Grady White boats, but they're also likely going to be the most expensive, as well as one of the heavier options. I'm thinking Suzuki will likely be the cheapest, followed closely by Mercury, then maybe Honda and finally Yamaha. Honda seem to make good outboards but they're definitely a bit on the heavier side, especially with their 200 hp outboard being over 620 lbs. If it were me, as mentioned above I'd likely sell your current setup and buy something considerably newer as your boat is now 24 years old, especially if you wanted to try and save a bit of money. If not, I'd likely first consider Mercury because of their weight, pricing, 5 year warranty and options for fly by wire controls. I imagine those are going to be considerably cheaper than going with some Yamaha digital controlled outboards of the same hp category. If you go to the GW website, they have the specs for a 232 Gulfstream with twin F150's on it as well as twin F200's. The boat with twin F150's will top out at 48 mph and have an optimum cruise of 29.2 mph @ 4,000 rpm while burning 13.3 gph of fuel and getting 2.20 mpg. With twin F200's on the boat, it will top out at 52 mph and have an optimum cruise of 29.8 mph @ 3,800 rpm while burning 12.7 gph of fuel and getting 2.34 mpg... or just slightly better numbers. If you want to go faster or get slightly better fuel economy when cruising then I'd recommend the 200's, if not and 48 mph is fast enough for you, I'd go with the 150's. Or you could even get the Mercury 175's. You've got multiple different options, of which I think another part of the equation would be who you have locally as a reputable dealership?
