J.Costa Variator Kit for GY6 125/150cc – 11.5g Rollers

J.CostaJ.Costa PRO variator kit for pre 2014 Kymco Agility 125 and other GY6 125/150cc scooters. Compatible with 15″ crankshaft and 152QMI, 157QMJ, and KL25F engines.

This complete variator kit consists of the variator body, bell, bushing, slider and rollers. It is recommended that the assembly is done by professionals to ensure proper operation.


With the JCosta PRO variator for GY6 125/150cc engines you will achieve:


  • Smoother running.
  • Better aerodynamics.
  • Weight reduction (inertial control).
  • Lower temperature inside the variator, thanks to its revolutionary design with heatsink.
  • Higher quality of all the variator components, thus increasing its durability and lower maintenance.


As a result, you will get:


  • Faster performance.
  • A greater reaction to the throttle, thanks to the Roller Pressure-Depression effect.
  • A reduction in fuel consumption.


  • Uses 25mm Weights in 11.5g
  • Made in Spain!
GY6 QMI/QMJ 152/157, Kymco Agility 125, SYM Fiddle II 125


4 in stock