OEM 681x17.7x32 Drive Belt - 139QMB/GY6 50cc Scooters

Factory Performance: 681x17.7x32 OEM Drive Belt Maintain the smooth, reliable power delivery of your city commuter with this OEM Replacement Drive Belt . Specifically engineered for the lineup and 139QMB-based engines, this belt provides the exact tension and grip required for seamless CVT shifting. Whether you are navigating downtown traffic or cruising neighborhood streets, this belt ensures your transmission operates at peak efficiency while resisting the thermal stress of daily stop-and-go riding. Technical Performance Features OEM-Spec Fitment: The definitive factory replacement for the CSC go. and go MAX series and many other 50cc scooters, ensuring perfect alignment with your stock variator and clutch. High-Tensile Cord Construction: Reinforced with internal cords to resist stretching and edge-fraying, significantly extending the service life between transmission intervals. Comprehensive Fitment Guide This belt is the standard fitment for the following Chicago Scooter Company and 139QMB models: CSC Model Fitment Engine Code Compatibility go. / go MAX / Pug 50 139QMA / 139QMB / 1P39QMB Bella Classic 50 YN139QMB / JJ1P39QMB / 147QMD Nitro Sport 50 BN139QMB / 139FMA-2 / BD1P39QMB General Rule Any 50cc engine code containing "QM" or "FM" Technical Specifications Length: 681mm Width: 17.7mm Angle: 32 Degrees Material: High-Density Synthetic Rubber Maintenance Tip: Inspect your belt every 1,500 miles for cracks or glazing. Pro Tip: When installing a new belt, always clean the Variator Faces with brake cleaner to remove old rubber residue; a clean surface prevents premature belt slip and ensures maximum acceleration! SKU: 1200-4002 Vendor: Chicago Scooter Company This OEM drive belt replaces the stock belt that came with your 50cc Chicago Scooter Company go, go MAX, Bella Classic, Nitro Sport and Pug. Also fits 50cc 139QMB engines. You can also purchase this part through your local Genuine dealer. Specifications: Measurements: 681 x 17.7 x 32 Compatibility: Chicago Scooter Company go Chicago Scooter Company go MAX Chicago Scooter Company Bella Classic 50 Chicago Scooter Company Nitro Sport 50 Chicago Scooter Company Pug 50 139QMB-based 50cc / 80cc engines with the following engine codes: 139QMA 139QMB 1P39QMB 1P39QMA-2 YN139QMB JJ1P39QMB 139FMA-2