I JUST bought this bike yesterday. Rode it about an hour home, started up fine, ran fine. I tried to start it today and I couldn't get it to start. Fuel valve was on, choke was on, bike was in neutral. The first time I tried to start it I just thought the engine was Cold. I rolled on the throttle and it revved up, almost started and stahled whenever I let off throttle. Tried again and now it won't even rev up when I use the throttle! It just makes a very faint glugging sound. Basically: bike won't turn over, idle, or take throttle at all!