Koso Variator kit | GY6 125cc by Koso.Specifications Designed to fit any scooter with the GY6 125cc engine.

Koso Drive Pulley | Jog 90 by Koso.Specifications Fits Yamaha Jog 90cc

Koso Drive Pulley | Jog 90 by Koso.Specifications Fits Yamaha Jog 90cc

Koso Enhanced Lifter Plate (2022+) by Koso.*Fits 2022+ models The main difference between our Koso clutch enhanced lifter plate and the stock one is strength. Our CNC lifter plate is...

Koso Grom Enhanced Lifter Plate Black by Koso.*Does not fit 2022+ models The main difference between our Koso clutch enhanced lifter plate and the stock one is strength. Our CNC...

Koso Grom Clutch KIT (Discs + Springs) 2014 + by Koso.*Fits 2014+ models When it comes time to transferring the power of your engine to the ground, the clutch components...

Koso Drive pulley | Jog 50 - 90 (adjustable) by Koso.Adjustable weight positions for modifying torque delivery. Shift spring location is adjustable for different RPM. Specifications Fits Yamaha Jog 50cc...

Koso Drive pulley | Jog 50 by Koso.This rear clutch is lighter than a stock unit for quicker revs and has larger pad surfaces for more positive grab and better...

Koso Drive pulley | Jog 50 by Koso.This rear clutch is lighter than a stock unit for quicker revs and has larger pad surfaces for more positive grab and better...

Koso Throttle Body (2022+) by Koso.*Fits 2022+ models The throttle body and intake manifold are used to control the amount of air flowing to the engine’s combustion chamber, they are...

Koso Grom - BIG Throttle Body 34MM (Japanese) by Koso.*Does not fit 2022+ models The throttle body and intake manifold are used to control the amount of air flowing to...

Koso Intake Manifold (2022+) by Koso.*Fits 2022+ models As the throttle body and intake manifold are used to control the amount of air flowing to the engine’s combustion chamber, they...