The front variator is the drive unit of the scooter's continuously variable transmission: the movable face with rollers changes the working diameter, and the belt transmits torque to the rear. This item is marked as a tuning part. Brand: KOSO. Complete front tuning variator.
The variator should be replaced if the rollers are worn, the bushing is worn, the face has play, there is jerking and vibration during acceleration, or performance is lost. The belt and rollers are usually checked along with it.
