Six Groove Adjustable Secondary Sliding Sheave Racing Torque Driver For GY6 125cc 150cc 152QMI 157QMJ Engines With Precise Belt Alignment And Performance Boost For Scooters And Motorcycles

Six-Groove Adjustable CVT Sheave for GY6 Engines
✔️ Six-groove adjustable secondary sheave for GY6 CVT, 141mm OD

This six-groove adjustable secondary sliding sheave is built for racing torque driver setups on GY6 125cc, 150cc, 152QMI, and 157QMJ engines. It's widely used on scooters and motorcycles to improve belt alignment and CVT performance in demanding riding conditions.

✅ Fits GY6 125cc, 150cc, 152QMI, 157QMJ engines, plus 200cc variants and karts with 152QMI/157QMJ-based engines
✅ Six-groove adjustable secondary sliding sheave for precise belt alignment and improved power transmission
✅ Clutch seat outer diameter: 141mm; Pulley needle bearing: HK202918RS
✅ Adjustable torque driver to tailor CVT acceleration characteristics
✅ 3 straight grooves for quicker takeoff; 3 bent grooves for higher speed

💡 What is the purpose of a six-groove adjustable secondary sliding sheave in GY6 CVT systems? This handy component helps tailor CVT performance for daily riding and race-ready setups. - Improves belt alignment and power transmission in CVT systems. - Allows adjusting acceleration characteristics using the torque driver. - Compatible with GY6 125cc/150cc/152QMI/157QMJ engines and related variants.