Prima
Prima Roller Weight Tuning Kit (16x13, 3g to 14g)
Description
The Prima Roller Weight Tuning Kit (16x3, 3g to 14g) is the best way to tune the CVT transmission in your Genuine Buddy 50, Black Cat 50, Rattler 50, RoughHouse 50, Honda Ruckus and Zoomer, Vespa ET2 (pre-1998), Kymco People 50, or 139QMB GY6 bike.
Specifications:
- Includes 3 of each roller in sizes ranging from 3g to 14g, for a total of 36 weights.
- Combining 2 sets of rollers allows you to tune your engine with a large variance in weight. For example, by alternating 3x 10g rollers and 3x 11g rollers in the variator, you can get a 10.5g roller set.
- Lighter weights increase RPMs for a given road speed, while heavier weights lower RPMs for a given road speed.
- Tailor your tuning to match your engine setup and personal driving style.
*DANGER: Weights must be installed in a 120-degree pattern! If not, SEVERE ENGINE DAMAGE WILL RESULT!!!
Compatibility:
| Genuine Buddy 50 | Genuine Black Cat 50 |
| Genuine Rattler 50 | Genuine RoughHouse 50 |
| Honda Ruckus | Honda Zoomer |
| Vespa ET2 (pre-1998) | Kymco People 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 |
Please refer to our handy chart for more info on roller weights. Visit our blog for additional tips and news.
About Prima: Prima is the industry leader in premium scooter accessories, service parts and scooterist protective apparel. Prima brand products are designed direct-fit for all popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, Royal Alloy and GY6 / QMB powered scooters.
Made in Taiwan
Product Diagrams
Model 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; 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
-
Same day shipping for orders placed before 2PM (CST) M-F
-
30-day return period
-
Flat-rate shipping for orders shipped to the 48 Contiguous United States.
){kind=link}
