

Dr. Pulley Sliding Weights (16×13); Ruckus; 139QMB; Buddy 50
$25.00
- High Quality Products
- Industry-Standard Quality Parts
- Compatible with Most Motorcycle Brands
- Built for Long-Lasting Performance
Description
These 16×13 Dr. Pulley roller weights are compatible with Honda Ruckus 50, Genuine Buddy 50, Rattler 50, RoughHouse 50, and 139QMB engines.
Original Parts For Scooters SKU 169-217-4g
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 | Genuine RoughHouse 50 |
| Genuine Rattler 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.
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Fast Shipping & Returns
Money Back Guarantee
Online Support 24/7
Secure Payment
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