Gates Super Premium 842-20-30 CVT Belt: GY6 Long Case

Maximum Durability: Gates Super Premium Reinforced Belt Upgrade your transmission’s reliability with the Gates Super Premium CVT Drive Belt . Engineered for high-load applications, this belt is constructed with specialized EPDM rubber compounds and high-tensile cords to resist the heat and stretching that lead to "belt snap" in tuned GY6 engines. Whether you are commuting or pushing a big-bore kit, Gates provides the consistent grip and power transfer required for peak performance. Technical Performance Features Advanced EPDM Construction: Designed to withstand extreme transmission temperatures, significantly extending service life compared to standard chloroprene belts. High-Tensile Cords: Minimizes belt stretch during hard acceleration, ensuring your variator and clutch stay in the optimal power band. Precision Cog Profile: Optimized for GY6 150cc pulleys to reduce internal friction and noise while maximizing airflow within the CVT case. Vento Phantom Optimized: The exact factory-spec upgrade for the Vento Phantom series, providing a smoother ride and better top-end stability. Comprehensive Fitment Guide The 842-20-30 size is the standard fitment for "Long Case" 125cc, 150cc, and 170cc 4-stroke scooters with 12 or 13-inch rear wheels , including: Brand / Engine Type Compatible Models & Codes Vento Phantom R4i (Non-Turbo), Phantom R3 GY6 150cc (Long Case) 157QMJ, 161QMK, 152QMI, 1P61QMK Premium GY6 YN1P57QMJ, BN157QMJ, JJ157QMJ, 1P57QMJ Common Brands Wolf, TaoTao, Ice Bear, Bintelli, Znen, & more Technical Specifications Length: 842mm Width: 20mm Groove Angle: 30 Degrees Material: Reinforced EPDM Compound Mechanic's Note: This "842" belt is designed specifically for Long Case engines. If your scooter has a 12-inch or 13-inch rear wheel, this is likely your belt. If you have a 10-inch wheel, you likely need the shorter 743-20-30 belt. Always check your engine code (located near the rear shock mount) to confirm compatibility. Part Number: 106-41 Manufacturer: Gates Corporation 157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes: 157QMJ 161QMK 152QMI 1P61QMK YN1P57QMJ 1P52FMI 154FMI JJ157QMJ 1P57QMJ BN157QMJ BN161QMK-A Other QMJ, QMK, and QMI models Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.