Do you have all your riding gear already? If not, you need to leave some cash available for that.
What is your total budget?
You could do some fixing on that and it would look better, but there's plenty to do.
It may be worth $600, but I'd certainly try starting lower than that. He said the tires were new, but that rear doesn't look it to me.
We bought a
really beat, but running, 1990 without fairings for $150. Not great, but with new tires, some carb tuning, and suspension work it rides a lot better than it looks.
