new motorcycle

Just starting in the motorcycle world and was wondering if some experts could help me out. I am thinking of buying a 1981 Yamaha Seca 750 for $400. Currently it doesn't have back blinkers or a plastic cap for the tail light. The guy also doesn't have the ownership.. Thoughts?

Hello from Calgary, Alberta. I just picked up my 2007 Suzuki Boulevard M50 yesterday. i have to say I was initially very nervous as there was a horrible vibration on the drive home. After spending the night reading up on a whole host of possible issues, it turned out to be poorly inflated tires...