torque spring Polini +15% for GY6, Kymco, Honda 125, 150cc

Counter pressure spring by Polini for GY6 125/150cc, Kymco, Honda maxi scooters providing a 15% increase in pressure from the oriental spring and is ideally suited for tuning purposes. A stronger spring is necessary once the the power has been increased by tuning and the belt starts to slip. The clutch counter pressure springs works closely with the variator and rollers may need to be replaced to suit. Original Spring Loading: 75/25.5mm/kg Polini Spring Loading: 75/30mm/kg Spring Thickness: 4.2mm Spring Length: 150mm Inside Diameter: 49.5mm Number of Turns: 7.2