Heavy Duty CVT Drive Belt For 125cc And 150cc GY6 Longcase Engines, 749mm Length, 17.7mm Width, 30 Degree Teeth For Scooters, ATVs, Go Karts, Mopeds, Compatible With Baja Jonway Roketa Sunl Tank
✔️ Length 749mm, width 17.7mm, 30° teeth; Pack: 1 belt
This heavy-duty CVT drive belt is designed for 125cc and 150cc GY6 long-case engines, powering scooters, ATVs, go-karts, and mopeds. It replaces part number 729-17.7-30 and supports 12" and 13" wheel setups across many brands including Baja, Roketa, Sunl, Tank, and more.
✅ Length 749mm (28.7"), Width 17.7mm (0.7"), Teeth angle 30°
✅ Replaces part 729-17.7-30 and fits 4-stroke GY6 long-case scooters, ATVs, go-karts, and mopeds
✅ 4-layer construction: top fabric, EPDM rubber, aramid fiber cord, adhesion gum
✅ Easy installation: place belt over driving pulley first; test-run for 5 minutes to prevent slippage
✅ Pack: 1 belt (single belt)
💡 What is a heavy-duty CVT drive belt for GY6 long-case engines and how do you pick the right size?
Choosing the right belt size helps ensure smooth power transfer and durability across scooters, ATVs, go-karts, and mopeds.
- Length should be 749mm (28.7"), width 17.7mm (0.7"), 30° teeth. - Replaces part 729-17.7-30 and fits many GY6 long-case models from Baja, Roketa, Sunl, Tank, and more. - For installation, slip belt onto the driving pulley first, avoid forcing, and run 5 minutes to verify tension. ✝️