OEM 681x17.7x32 Drive Belt - 139QMB/GY6 50cc Scooters
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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 |
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.
Shipping information
Orders are prepared as quickly as possible. Delivery times and shipping costs are calculated at checkout based on the destination and items ordered.
Returns & warranty
Please verify fitment and part number before ordering. Contact Thrifty Scooters promptly if an item arrives damaged or incorrect.