I'm interested in buying a 1987 22" Bayliner Trophy Hardtop with a 140 hp, 4 cyl OMC, (600 hours), 42 gallon fuel tank, 25 gallon water tank, porta-potty, 2 batteries bought in 2008, foul-weather zipper cover, overnight cover needs replace, Exscort aluminum dual-axle trailer (had new bearings...