Have a 1987 70 hp (2 stroke, 3cyl.) Mercury which I have gotten an insanely high quote for carb rebuild. Unfortunately these guys are the only ones around still working on 2 strokes. Can someone let me know how difficult the carb rebuild is if I do it myself and the manual they would reccomend (is Seloc the choice of most?) I am mechanically inclined but this is my first boat, and have limited knowledge of outboard motors. Thanks