Yeah, that is what I am doing. I have an industrial sewing machine and am actually a pretty handy upholsterer, there was just no way to not shittily pad the seat with the current shape.
Lights are definitely in order as I have no tail light at all right now, just haven't found the right one. I almost bought a cool 50's rocket sort of light at a flea market a couple of weeks ago but I thought it looked to retro, in a bad way.