I am looking at buying a 1992 25 sailfish. It has twin 150 yamaha 2 strokes 1996 i have done a sea trial on this boat and at 4500 RPM it does right around 35 to 37 mph. Is this boat uder-powered with the 150s? also how does this boat handle offshore is it sea worthy? I am i south carolina and the stream is a good 60 miles out will this be a good boat to run out and back. All information about this model will be helpfull thanks.