This template gives you everything you need for a professional, customizable and legally binding Bill Of Sale Boat Indiana.
Usually yes. Indiana BMV handles boat registration and wants proof you bought it legitimately. Bill of Sale does that job.
Hull ID, make and model, year, motor specs if there is one, what you paid, when you bought it, both people's info.
Usually yes if it's worth enough or big enough. Bill of Sale helps with the titling paperwork when you file it.