Variator POLINI Maxi Hi-Speed 6 Weights Kymco Downtown 125i E2 2009 (20x17)

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Exalting acceleration and never-ending engine progression with the new Polini maxi Hi SPEED Variator studied for the KYMCO 125i 4V DOWNTOWN, K-XCT / PEOPLE.
The characteristic is the already tested new lubricating system applied to all the new productions. But many are the technical features that mark out this new Maxi Hi Speed. The rollers sliding surfaces have sustained a new polishing treatment to improve the sliding. The bush is made of special casehardened chromed-nickel steel, tempered and ground. It has a big internal pocket that contains the grease. Thanks to this new technology the performance is constant and, compared to the previous models, it isn’t necessary anymore to modify the rollers’ calibration to find the best engine efficiency. The rollers have a coating made of a new mixture of nylon and aramidic fibers. This combine is to give the best performance and less servicing costs thanks to these particular features that have also improved the bush and pin lubrication, while the rollers material allows for a better wear resistance.