2008 Qlink Legacy 250 "resturant" Questions

Not starting I have a Qlink Legacy 250. I was out riding for an hour, stopped at a resturant. Went out to start the bike and it would not stay running, kept dying. try to replace your spark plug and ...

...out if i need to replace my battery. started my 2008 buell firebolt. drove it five miles, ate at a resturant. when to start it again and battery not strong enough to start it. so i rolled it off and ...