SOAJEE CVT Drive Belt For 50cc - 90cc 125cc 150cc GY6 4-Stroke Engine 152QMI 157QMJ 743-20-30 Motorcycle ATV Quad Scooter Go Kart Moped Jonway Znen Zongshen BMX Kazuma Roketa

Compatibility: Fit for most 4 stroke GY6 125cc 150cc 157QMJ 152QMI short case engine Package Included: 1X CVT Drive Belt Note: Please kindly confirm the fitment before ordering to make sure this item is perfectly fit. Groove Angle / Pitch: 30mm/1.2 Standard CVT Drive Belt provides longer durability for high performance applications. Oil & Heat Resistant The belts will last longer than a standard belt, not easy to deform,reduce slippage. This belt is your best choice for an upgrade for high mileage and reliability. How to Select a Belt？ 1. Determine the Series Type. (Comet Model Number) 2. Measure the Outer Diameter (O.D. ) of the driven pulley on the jackshaft. 3. Measure the Center Distance; which is the exact distance between the center of the engine crankshaft and the center of the jackshaft or secondary shaft. Must be precise. 4. Use the two measurements; the driven pulley outer diameter and center distance measurement to determine the correct belt part number from the relevant chart below. Should your machine's center distance fall between the center distance settings listed here, select from the two belts, the one with the larger outside circumference (O.C. ) for best wear and to avoid machine creep during idling. How to Install the Belt? 1. Remove the bolt and any keepers from the end of the engine crankshaft, and take the outer half of the clutch off. 2. Clean the clutch. NOTE: -If you can install the belt without taking the clutch apart, the belt is too long. A damaged belt is the symptom of another problem. ◎ HIGH QUALITY MATERIAL -- Fiber Rubber made for high mileage and reliability, longer durability and high-performance ◎ COMPATIBILITY -- Compatible with GY6 125cc 150cc Short Case 152QMI 157QMJ Engine Based Scooter Moped ATV ◎ REPALCE PART NUMBER-- 743-20-30, 743 20 30. Check your part number and our fitment before placing an order. ◎ EASY TO INSTALL-- Direct replacement for a proper fit and easy Installation, professional installation is recommended.