

Dr. Pulley
Dr. Pulley Sliding Weights (16x13); Ruckus; 139QMB; Buddy 50
Description
Dr. Pulley roller weights are the most advanced weights available, and these 16x13 weights are compatible with Honda Ruckus 50, Genuine Buddy 50, and 139QMB engines.
These sliding rollers perform better than standard round weights by allowing the variator to open farther for higher top speeds, and last longer with less performance material loss. The weights have several unique features such as their shape and composite material containing nylon for better performance.
Specifications:
- Long-wearing nylon composite material
- Low friction, low-wear and high-temperature resistance
- Aluminum compatible
- Diameter: 16mm
- Width: 13mm
- 6 pieces per set
- Available in weights from 4g - 9.5g
Compatibility: This product works with the following models and 139QMB bikes.
Genuine Buddy 50 | Honda Ruckus 50 |
139QMB-based 50cc / 80cc engines with the following engine codes:
139QMA | 139QMB | 1P39QMB | 1P39QMA-2 |
YN139QMB | JJ1P39QMB | 139FMA-2 | BD1P39QMB |
BN139QMB | 147QMD | Other QMA models | Other QMB models |
Don't see your engine listed? If the engine code includes "QM" or "FM", this part is compatible with your vehicle.
About Dr. Pulley: Dr. Pulley is recognized as the global leader in aftermarket performance CVT components for a wide range of popular scooter brands, such as Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6/QMB powered scooters. Established in 1987, the company adheres to stringent quality standards and holds ISO 9001 certification.
Made in Taiwan
*Performance upgrades are considered racing parts and are not covered by warranty.
Product Diagrams
Model Fitments
Honda Ruckus, Genuine Buddy 50, Genuine Roughhouse 50, Engines 50cc: 139QMA , 139QMB , 1P39QMB , 1P39QMA , 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, LJ139QMB as well as 147QMD (GY6 80cc) 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; Taizhou Jiaojiang Zhiwei Motorcycle Manufacture Co.; Huzhou Daixi Zhenhua Technology Trade Co.; Taizhou Zhongneng Motorcycle Co.; Zhejiang Riya Motorcycle Co.; Ningbo Longjia Motorcycle Co.; Taizhou Zhongneng Motorcycle Co.; and more