COUNTER SPRING, POLINI

Polini contrast springs for variator
Code: 243.073
Polini has created contrast springs for the rear mobile half-pulley to adapt them to the additional load due to elaborate engines that deliver more power and torque. Polini contrast springs prevent belt slippage and consequent premature wear by applying a variable additional load of 10% for Maxiscooters and 7% (White spring) or 15% (Blue spring) for 50 scooters. in any case, mount this type of springs only if strictly necessary, the best performance will in fact always be obtained using the spring which, with less load, allows optimal power transmission. This kit consists of 2 springs
Features:
% increase: +15%
Spring load mm/Kg: 70/37
Number of turns: 8
Filament diameter: 4,7
Unloaded spring length: 180
Internal diameter: 58


APPLICATIONS OF THIS PRODUCT:
According to the data provided by the manufacturer, this article is compatible with the following brands, models and years:
KYMCO B&W 250
KYMCO GRAND DINK 250
KYMCO PEOPLE 250
KYMCO X CITING 250
FORESIGHT 250 98