That's a great video.
I'm sorry your battery died while recording the video; I wanted to see more.
You can change those ATV tires on a tire changing stand with tire spoons, in much the same manner as you change a motorcycle tire. Most tire changing stands come with a smaller adapter ring for ATV tires, et cetera.
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Spud
"Never argue with an idiot. He will drag you down to his level, and beat you with experience."
Mark Twain
2015 Zongshen ZS250GY-3 (RX3)
2006 Zongshen ZS200GY-2 (Sierra 200)
2005 Honda XR650L
2004 Honda CRF250X
1998 Kawasaki KDX220
Mods made to my Zongshen ZS200GY-2:
http://www.chinariders.net/showthread.php?t=6894