Hello, I am very new to the boating scene. I have a 2007 Mariah FS18 and would like to give it a tune-up (idles rough).The engine is a mercruiser 3.0 2006 model year serial #1A005910. What all do I need to buy and where to buy these items, could one of you guys please provide a list of items needed for a good tune-up, also the boat has been sitting for four months. How do I find parts numbers from my boats serial # please help Thank you
