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Prima Roller Weight Tuning Kit 20x12 (Vino, Zuma 125)

Prima Roller Weight Tuning Kit 20x12 (Vino, Zuma 125)

tested on an actual gram scale tuning rollers can be offset by ± 0.1gm

Description: Great quality Prima 20x12mm test roller weight set for Yamaha Vino and Yamaha Zuma 125 scooters. Lower your stock weight (12-14) with 10s or 11s for a great performance upgrade for better take and just plain replacing worn-out stock weights. 20X12 mm roller set for Yamaha Vino, Yamaha Zuma 125, and many other scooters. 

For those of you unfamiliar with roller weights, they are an important tuning device and have a significant impact on your scooter's performance! They should be checked/changed every 1000 miles (per maintenance schedule) to keep your scooter running tops. Over time, roller weights will develop flat spots which will impair the performance of your scooter.

A good indication that your rollers are worn is increasingly high revs for a given speed and/or decreased top speed. Replacing worn rollers will restore and actually improve your low-end power and especially your top speed. Fuel efficiency will also improve dramatically!

Includes 36 Roller Weights, from 7gm to 18gm. Lighter roller weights will increase RPM for any given road speed. Heavier weights will lower RPM for any given road speed. Must be put in a 120° pattern!


Include the following Roller weight set.

•    36x Roller Weights: 20x12mm 7gm<18gm
•    Made in Taiwan
•    Fit Dowel Pin Set (8x14mm)
•    Fit Belt Size: 759-22-30 (Vino)
•    Fit Belt Size: 810-22-28 (Zuma)
•    Fit Vino 125
•    Fit Zuma 125

Supported Models: NCY CVT KIT (Part# 1200-1047); Kymco 300, Yamaha Linhai 260/300, Yamaha BW's 125, Yamaha Cygnus 125, Yamaha GTR 125, Yamaha Morphous 250, Yamaha Vino 125, Yamaha Zuma 125.

Item Weight & Package Dimensions:
•   1.025 pounds | 9.5" (L) x 5.93" (W) x 0.64" (H)

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Prima Roller Weight Tuning Kit 20x12 (Vino, Zuma 125)
  • Stock: 40
  • Reward Points: 1
  • Part #: 1400-1082
Sold: 0
Views: 652
Price in reward points: 35