I am looking to at a 1989 2100SX that seems to be absolutely cherry. 262 hours on a 5.7 magnum and always kept indoors. We do alot of boating on lake powell where the marinas are about 35 miles apart. The owner says this boat only has a 16 to 20 gallon fuel capacity. Can this be true? This is a beautiful boat does anyone know of any problems with this particular model? Thanks for the help.