
Prima 16x13mm CVT Roller Weights – 139QMB, Ruckus, Buddy 50
Prima 16x13mm CVT Roller Weights – 139QMB, Ruckus, Buddy 50
$19.32
10 in stock
*Note: Free shipping to U.S. mainland (excludes AK, HI, and territories)
Orders placed by 1pm EST on weekdays ship the same day.
Product Details
Description
Prima 16x13mm CVT Roller Weights - 139QMB, Ruckus, Buddy 50
Key Details
- 16*13
Specifications
- Width: 13mmQuantity: 6 Weights per packCompatibility: For use in standard variators requiring 16x13mm rollers.Detailed Model FitmentThis 16x13mm set is a direct replacement for 49cc - 80cc 4-Stroke (139QMB / GY6 50) engines, as well as premium 50cc models from Genuine, Honda, and Yamaha.Genuine Scooter Co. (2-Stroke):Buddy 50 / International: (Stock: 7.5g - 8.5g)RoughHouse 50 / Sport / 50 Titanium: (Stock: 7.5g - 8.5g)Rattler 50: (Stock: 11.5g)Black Cat 50: (Stock: 7.5g - 8.5g)Honda & Yamaha (4-Stroke GET/Liquid Cooled):Honda Ruckus (NPS50): All YearsHonda Metropolitan (CHF50): 2002–2012Yamaha C3 (XF50): 2007–2011Yamaha Vino 50: 4-Stroke ModelsYamaha Zuma 50F / 50FX: 4-Stroke Models (2012+)Chinese & Taiwanese 50cc (GY6 50 / 139QMB):Chicago Scooter Co: Go. 50, Go. Max 50Wolf Brand Scooters: RX-50, Islander, Lucky, Blaze, MOTOTaoTao / Tao Motors: ATM50-A1, Pony, VIP, ThunderLance / SYM: Cali Classic 50, PCH 50, Cabo 50Kymco: Agility 50, Super 8 50 (4-Stroke)Bintelli / Ice Bear: Breeze, Havoc, Maddog 50, PMZ50Engine Code CompatibilityDon't see your model listed? If your engine tag contains any of the following codes, these 16x13mm weights are compatible139QMB-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.
Compatibility
Fits many 139QMB-based 50cc / 80cc scooter engines. Confirm measurements, connector style, and engine family before ordering.
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 49cc, 50cc, 80cc, GY6, Ruckus, 2-Stroke, 4-Stroke
- Engine Code: 139QMB
- Fits Models / Common Applications: Genuine Buddy, Honda Ruckus, TaoTao, Wolf, and Yamaha Zuma and other compatible models may apply.
- Fitment Notes: CVT, Clone / Chinese, Water Cooled, Auto Transmission
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 Genuine?
A: This SKU is listed with Genuine model fitment where the scooter also matches the listed engine or fitment notes.
Q: Is this for 49cc scooters?
A: This SKU is listed with 49cc engine-size fitment. Confirm exact model, year, and part style before ordering.





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