GY6 STAGE 3 Koso Performance Transmission Upgrade CVT SYSTEM)
This kit completes the optimization of your CVT system started with STAGE 1 and Stage 2, which work together to increase low-end and acceleration without sacrificing top-speed.
KOSO 115mm Variator
- 115mm, Compare to stock: 103mm.
- Teflon coated ramp plate.
- Revised ramp angles.
Koso High-Stall Clutch Unit
This clutch unit engages at higher RPM with more force than the standard clutch. This helps during steep hill climbing, towing, or when forcing the front end up over large obstacles. This unit provides a better launch from a stand still as well.
Optimizes shifting points of the CVT
Meant to be used with STAGE 1