*update* HELP. Dmc jetting!!

When I started it today it idles five but when I gave it some gas it kinda stayed at high idle I'm posting a video I also haven't made and changes yet and it responds to the screw now . Hmm weird.
 
Ok guys I have an update it stated to idle ok after a little riding which was recommended for at least 30 minutes for seals to seal lol. But anyway I was riding WOT doing a plug chop AND IT BACKFIRED AND STALLED after I came to a stop it started right back up and ran fine until I did the same thing. What's going on? Also I pulled the choke all the way out and it revved high then died.