undo all the allen bolts around the transmission cover where the kickstart is and the one in the middle next to the kickstart,leave the kickstart bolted on the shaft you dont need to touch that.Then take the cover off it should just pull off but sometimes you need to wiggle it a bit to get it off,then once off you will see wo round things and a belt running between them the round thing on the left is the variator,undo the nut in the middle of it (it will be very tight) you may need to use an impact gun or hold it still another waybe careful not to damage it though.then take the outer piece off with the fins on it and then you will see a round spacer looking like a mans wedding ring in silver take this out and then put it all back together again i would use some loctite on the thread of the nut and crankshaft as it can come loose and cause havoc in there.there you go it should do a bit off 50mph on the clock after that.
adam bike doctor
February 2010