Re: 1986 Mastercraft tristar
Welcome to iBoats!!!!!
first off, before we get into redoing the interior, have you checked the bones in the boat to make sure everything under the floor is in good condition (transom, soft spots in floors, stringers, etc...) ?? There are some good threads that go into detail on how to check these areas.
secondly, about the interior, the question of doing it yourself or having it done elsewhere is also a tough question to answer....it is mostly based upon your skill level...there are also several threads on reupholstering seats and panels...and the equipment you need...sewing machine, vinyl, foam, attachment methods and structure....i've never sewed before in my life and i redid my seats from scratch....
do a search on the forum for 'sewing' or 'upholstery'..this will give you a good start...
I also have the link to my 'how-to' thread in my signature...it will give you the basic idea and the steps involved
but again....safety is more important than anything else...so i would check out the structure of the boat before proceeding any further.
keep us posted
mrdj