1982 Maxim XJ750 Died, Any Ideas?

After about 2 hours of riding today, I heard a few soft clunks and then the RPM's fell significantly until it stalled out. I tried restarting, and the started worked, but the bike wouldn't start, even with full choke. I pulled over, let it cool down for about 45 minutes and tried starting again. This time it started up and after about 2 minutes of riding it did the same thing and I decided to leave it in a parking lot and walk back. It is like no gas is getting into the cylinders. Any ideas what the problem may be? If it starts up tomorrow, would it be really bad to ride it 2 miles home? Thanks a lot guys!

 

Did you try to start it in prime also check your vacuum hose going to petcock. cant explain the clunks though.

 

Could be anything.
Possibly your gas cap is not venting so when the fuel gets low it stops flowing.
To test just pop the cap and run it, see if problem is solved.
Did it sound right when it refired?

 

I like Hound's thought. Have you considered installing a transparent fuel line or filter so that you can see if the fuel is flowing?

 

I'll give that a shot and get back to you guys. I'm probably gonna end up taking to the shop tomorrow, I'm just nervous about her.... Thanks a lot for all your help!