How do rollers work in mopeds?
The rollers work to move the variator plates closer together and further apart. The variator is kindof like the gears on your bicycle only continuous. The faster the engine turns, the further the rollers “fling” out away from the axis of rotation. When they fling out, they push the variator plates closer together and cause the drive belt to ride higher (sortof like the big gear at the pedals of a bicycle). Here’s a tuning guide: http://www.scootforum.com/viewtopic.php?… You should join and post up some pics of your moped and say hello!
