Looking at buying a old 1983 yamaha maxin

Hey guys looking at buying an old 1983 yamaha maxim 400c for my first bike and I would appreciate any insight on what to look for.

Needs some new tires and the miles are unknown. Lady said she had had it for a while and never seen them move. But thinks it's over 25k miles.

It has some scrapes but she is selling it cheap and I figure I might be adding some more by the time I learn driving a real bike.

I've drove dirt bikes as a kid but thats about it. And don't have alot of bike mechanic knowledge yet.

Any thing to look for or maybe some things to chew on about the make and model it's self

Thanks