This OEM replacement CVT drive belt (681 x 17.7 x 32) is engineered for many 139QMB/GY6-based 50cc scooters with short case engines, including the full Chicago Scooter Company lineup. It delivers the exact tension and grip required for smooth, reliable power delivery � no modification needed. High-tensile synthetic rubber construction resists stretching, edge-fraying, and heat from daily stop-and-go riding.
Key Features:
- OEM-spec fitment � direct replacement, no modification needed
- High-tensile synthetic rubber resists stretching and edge-fraying
- Fits many 139QMB, 139QMA, GY6, and related 50cc short-case engine codes
- Compatible with a wide range of Chinese-manufactured 50cc scooters with 10" wheels
Specifications:
- Measurements: 681mm x 17.7mm x 32�
- Material: High-density synthetic rubber
- SKU: 1200-4002 | Made in China
CSC Model Compatibility:
| Model | Engine Codes |
|---|
| CSC go. / go MAX / Pug 50 | 139QMA, 139QMB, 1P39QMB, 1P39QMA-2 |
| CSC Bella Classic 50 | YN139QMB, JJ1P39QMB, 147QMD |
| CSC Nitro Sport 50 | BN139QMB, 139FMA-2, BD1P39QMB |
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Also fits 139QMB-based 50cc/80cc engines with codes including: 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, and more. Compatible with scooters from Amstar, Baotian, Bashan, BMS, Chicago Scooter Company, Dongfang, E-Ton, Ice Bear, Jonway, Keeway, Kymco, Lance, Lifan, Linhai, Loncin, Motorino, Roketa, SYM, TaoTao, Vento, Vitacci, Wolf, X-Pro, ZNEN, and many more 139QMB-powered brands.
Verify Belt size by viewing the print on the outer surface of your CVT belt before ordering.
California Prop 65 Warning: www.p65warnings.ca.gov
