Product Details
Description
Piston Rings (125 cc); GY6 is a replacement piston assembly for compatible 139QMB scooter engine repairs or rebuilds.
Key Details
- Original Parts For Scooters SKU: 164-91
Specifications
- Width: 2.1mmnCompatibility: 125cc GY6 engines running 52.4mm bored cylindersAbout ScootsUSA: Since our beginning in 1989, ScootsUSA has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.nnSPECIFICATIONS: Specifications:nFits 125cc GY6 Cylinder with a bore of 52.4mm nBlack Ring Outer Diameter: 55mm nBlack Ring Inner Diameter: 50.8mm nSilver Ring Outer Diameter: 54.4mm nSilver Ring Inner Diameter: 50.4mmnBlack Ring Thickness: 0.98mmnBlack Ring Width: 2.1mmnnnCOMPATIBILITY: Compatibility: 125cc GY6 engines running 52.4mm bored cylindersAbout ScootsUSA: Since our beginning in 1989, ScootsUSA has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.nnMODEL FITMENTS: Brands: Amstar, Amigo, Ascend, Baotian, Bashan, Blade, Boom, Chicago Scooter Company, Dongfang, Roketa, Baotian, Bashan, BMS, Cool Sports, E Ton, Fly Wing, Eagle, Fly, Italica, Riya, Ice Bear, Jackel, Jet Moto, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, Keeway, KMD, Kymco, Lance, Lifan, Linhai, Loncin, Longbo, Fuxin, Jiajue, Tao Tao, Tao Motors, Trailmaster, Maxtrade, Meitien, Motofino, Motorino, NST, Panterra, Panther, Qlink, Yiben, Red Streak, Redcat, Roketa, Schwinn, Strada, SYM, Tank, Terminator ,Tomberlin, TNG, United Motors, Vento, Vitacci, Wildfire, Wolf, X-Treme, X-Pro, Yongfu, ZNEN, Zhongneng , Zhilong, Geely, Wangye, ZH and more Manufactured by: Taizhou Zhongneng Motorcycle Co.; Jiangsu Zhongneng Motorcycle Co.; Jiangsu Meijunte Technology Co.; Taizhou Qianxin Vehicle Co.; Ningbo Dongfang Lingyun Vehicle Made Co.; Taizhou Zhilong Technology Co.; Zhejiang Jiajue Motorcycle Manufacturing Co.; Zhejiang Gelly Ming Industrial Co.; Taizhou City Senglong Motorcycle Manufacture Co.; Jiangsu Sacin Motorcycle Co.; Jiangsu Linhai Power Machinery Group Co.; Zheijiang TaoTao Vehicles Co.; Zhejiang Senling Motorcycle Co.; Sanmen County Yongfu Machine Co; Ta
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 2 × 2 × 1 in |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 125cc, GY6
- Engine Code: 139QMB
- Fits Models / Common Applications: Linhai, TaoTao, and ZNEN and other compatible models may apply.
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 Linhai?
A: This SKU is listed with Linhai model fitment where the scooter also matches the listed engine or fitment notes.
Q: Is this for 125cc scooters?
A: This SKU is listed with 125cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 2 × 2 × 1 in |





