Product Details
DESCRIPTION: This OEM drive belt replaces the stock belt that came with your Chicago Scooter Company GO or GO Max. Also fits 50cc 139QMB GY6 engines.You can also purchase this part through yourlocal Genuine dealer.Specifications:Measurements:681 x 17.7 x 32Compatibility:CSC GOCSC GO Max139QMB-based 50cc / 80cc engines with the following engine codes:139QMA139QMB1P39QMB1P39QMA-2YN139QMBJJ1P39QMB139FMA-2BD1P39QMBBN139QMB147QMDOther QMA modelsOther QMB modelsDon’t see your engine listed? If the engine code includes “QM” or “FM”, this product is compatible with your vehicle.About Chicago Scooter Company:Chicago Scooter Company embodies the spirit of urban mobility with its innovative and stylish lineup of scooters. Designed for city living, their scooters blend functionality, reliability, and modern design, making them the perfect choice for navigating busy streets. Experience the freedom of effortless commuting and explore the city in style with Chicago Scooter Company.*This product is intended as an OEM equivalent for listed models. Any misuse, alteration or alternative application is prohibited by law.
SPECIFICATIONS: Measurements:681 x 17.7 x 32
COMPATIBILITY: CSC GOCSC GO Max139QMB-based 50cc / 80cc engines with the following engine codes:139QMA139QMB1P39QMB1P39QMA-2YN139QMBJJ1P39QMB139FMA-2BD1P39QMBBN139QMB147QMDOther QMA modelsOther QMB modelsDon’t see your engine listed? If the engine code includes “QM” or “FM”, this product is compatible with your vehicle.About Chicago Scooter Company:Chicago Scooter Company embodies the spirit of urban mobility with its innovative and stylish lineup of scooters. Designed for city living, their scooters blend functionality, reliability, and modern design, making them the perfect choice for navigating busy streets. Experience the freedom of effortless commuting and explore the city in style with Chicago Scooter Company.*This product is intended as an OEM equivalent for listed models. Any misuse, alteration or alternative application is prohibited by law.
139QMB ENGINES: GY6 engines.You can also purchase this part through yourlocal Genuine dealer.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, 80cc, GY6
- Engine Code: 139QMB, MAX139QMB
- Fits Models / Common Applications: CSC and Genuine and other compatible models may apply.
- Fitment Notes: OEM
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Will this fit a CSC?
A: This SKU is listed with CSC model fitment where the scooter also matches the listed engine or fitment notes.
Q: Is this for 50cc scooters?
A: This SKU is listed with 50cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 10 × 8 × 1 in |
| Size | 681×17.7×32 |
| Condition | New |
|---|
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
- 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.





