Naraku Variator Control Shims for Piaggio and Morini 2-Stroke Scooters with a 21mm Variator Boss.
Variator control shims can be installed between the drive faces to lengthen the boss if your variator does not open fully to allow maximum belt travel.
For use with 21mm variator bosses only! Includes 10 shims of each size: .1mm, .2mm and .5mm. Fits stock variators on Aprilia Mojito, SR50 (Piaggio), and Scarabeo 50, Benelli Pepe (Morini), Derbi Atlantis (Piaggio), Hyosung Cab 50, Piaggio Fly 50, Liberty and Zip 2, TGB 101s, 203, 303R and Laser 50, Vespa ET2, LX50, Primavera 50 and Modern S.
Please see our Warranty & Returns Policy.