We have experienced the same issue with a Ranger Boat dealer in our area. Frankly, they quite nastily refused to do warranty and non-warranty service work on a boat bought elsewhere. Not a problem, we take the boat back to Frankfort, KY and have GREAT experiences with the dealer there. I can (almost) appreciate the local dealer being frustrated that another dealer sold us the boat because they gave us a better deal, but instead of building a relationship with someone that is a loyal Ranger owner, and having a chance to sell us the next one, they pissed my husband off and he never passes an opportunity to share that with others.
BTW...if you are anywhere near and need a boat of any kind...Days Boat Sales in Frankfort, KY. Last time we were there, I was discussing truck campers and the owner jumped on-line and offered to find me one!! Tell you what, when I am ready for the next one, I just might let him do so.