maintenance on a bike that has sat in barn for 7 years

[Dayrider]

I have just recently bought (triad for 15 hr work on her house) a 2008 Suzuki GZ 250 (my first bike) I transfer the title and I am having keys made tomorrow The original owner put 96 miles on it and set it in the barn for seven years what maintenance or concerns should I address before attempting to start it