
This part being universal, it may require adaptations
Set of 6 MALOSSI rollers 19 x 15.5 mm, 7.2 g each (manufacturer reference 66 9420.M0). Designed for scooter variators, these rollers are made from CPT according to the MALOSSI formula and serve as a technical replacement part suitable for adjusting the behavior of the final transmission.
Operation
The rollers act as moving masses in the variator: as they rotate, their weight generates a centrifugal force that pushes the weights and modifies the shift point of the gears. The choice of weight directly affects the engine speed under load — lighter rollers promote a higher RPM, while heavier rollers lower the RPM. Adjusting the weight allows you to fine-tune acceleration, responsiveness, and power range according to your riding style or the characteristics of the engine.
Technical specifications
Ideal for riders looking to finely tune their scooter's variator and achieve consistent engine response between acceleration and deceleration.