Gy6 Variator Kit With 8.5 Gram Rollers For 50cc And 80cc 139QMB 147QMD Engines, CVT Front Clutch Drive Wheel Assembly, Performance Upgrade For Scooter, ATV And GoKart, Smoother Shifts And Extra Power Boost

Gy6 variator kit with 8.5g rollers for 50/80cc engines ✔️ Includes 87mm variator, 8.5 g weights, ramp plate, clutch, single kit

This variator kit is a front CVT drive upgrade designed for Gy6 50cc-80cc engines, compatible with 139QMB and 147QMD platforms and a wide range of Chinese brands. It helps restore smooth shifting and adds extra take-off power for scooters, ATVs, and go-karts.

✅ Outer diameter: 87 mm variator
✅ Roller weights: 6 x 8.5 g
✅ Ramp plate with glide keys
✅ Complete primary drive face movable pulley
✅ Includes star retainer, outer plate gear, and plastic fan

Outer diameter	87 mm
Roller weight	8.5 g per weight

💡 What is a gy6 variator kit with 8.5 gram rollers used for in small scooters and ATVs? This handy upgrade targets smoother shifts and adds power. - increases CVT engagement and response - reduces belt wear for longer life - compatible with many gy6 models including 139QMB/147QMD - easy install with complete variator assembly