I have a year 2000 Seafarer 228 with a 225 horsepower OX66 (I should say had, since there's a hole in the block where it blew). I'm in the process of re-powering with a new Yamaha 250 4.2L Offshore 4-stroke. I found the 228 to be a bit underpowered with a 200HP engine when looking for my...