I got the parts from here
took under an hour to install. I think I found directions translated on xt225.com
Take off the cover. remove assembly with snap ring plyers. remove spacer, install gear. Put it back together. Something like that.
I held the clutch basket with a piece of flat steel wedged between frame and clutch.
98 uzj100. Factory rear-ARB front locked 4.88's. ARB Bull, Warn 9000, Irbis rear bumper, Slee sliders and belly pan. OME t-bars w/863 rears, HID, XM