Prima Roller Weight Tuning Kit (18×14): Buddy 125/150/170i
Prima Roller Weight Tuning Kit (18×14, 6g to 17g) BUDDY 125/
$55.53
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: This Prima Roller Weight Tuning Kit is the best way to dial in the CVT transmission on your Genuine Buddy or 157QMJ GY6 engine to suit your driving style.Specifications:12 sets of 3 rollers (36 total)18x14 rollersWeights from 6g to 17gCombining 2 sets of rollers lets you tune your transmission to suit your driving style (lighter weights = higher RPMs, heavier weights = lower RPMs)For example, using 3x 10g and 3x 11g rollers (alternating weights in variator) gives you 10.5g roller set.DANGER:Weights must be installed in an alternating pattern (120 degree angle). Otherwise, YOU WILL SEVERELY DAMAGE YOUR ENGINE!Compatibility:This product works with the bikes listed below and engines with the following engine codes.Genuine Blur 150Genuine Buddy 125Genuine Buddy 150Genuine Buddy 170SYM Fiddle 125157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:157QMJ161QMK152QMI1P61QMKYN1P57QMJ1P52FMI154FMIJJ157QMJ1P57QMJBN157QMJBN161QMK-AOther QMJ, QMK, and QMI modelsDon't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.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.
SPECIFICATIONS: 12 sets of 3 rollers (36 total)18x14 rollersWeights from 6g to 17gCombining 2 sets of rollers lets you tune your transmission to suit your driving style (lighter weights = higher RPMs, heavier weights = lower RPMs)For example, using 3x 10g and 3x 11g rollers (alternating weights in variator) gives you 10.5g roller set.
COMPATIBILITY: This product works with the bikes listed below and engines with the following engine codes.Genuine Blur 150Genuine Buddy 125Genuine Buddy 150Genuine Buddy 170SYM Fiddle 125157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:157QMJ161QMK152QMI1P61QMKYN1P57QMJ1P52FMI154FMIJJ157QMJ1P57QMJBN157QMJBN161QMK-AOther QMJ, QMK, and QMI modelsDon't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.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.
157QMJ ENGINES: GY6 engine to suit your driving style.
Additional information
| Weight | 3 lbs |
|---|---|
| Dimensions | 10 × 7 × 1 in |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 125cc, 150cc, GY6
- Engine Code: 157QMJ
- Fits Models / Common Applications: Genuine Buddy and other compatible models may apply.
- Fitment Notes: CVT, 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 157QMJ engine?
A: This SKU is listed as compatible with 157QMJ 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 125cc scooters?
A: This SKU is listed with 125cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 3 lbs |
|---|---|
| Dimensions | 10 × 7 × 1 in |
