I have mine done, but I did not do it myself, www.Kenzcycletech.com did mine. There are post all over the net on how to do it with photo's. Check out www.yfzcentral.com, www.yfztech.com or www.bluetraxx.com. Here is a good link craig it has photos.http://www.yfzcentral.com/invision/index.p...&hl=oil+mod