Polini contrast springs for variator Code: 243.077 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: +20% Spring load mm/Kg: 60/30 Number of turns: 5,5 Filament diameter: 4,5 Unloaded spring length: 116 Internal diameter: 55,5
APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: BENELLI ADIVA 125/150 (LEADER) APRILIA ATLANTIC 125, ARRECIFE APRILIA ATLANTIC 200 APRILIA ATLANTIC 250, ARRECIFE APRILIA ATLANTIC 300 APRILIA MOJITO 125 RY (LEADER) APRILIA SCARABEO 125 (Piaggio) APRILIA SCARABEO 200 (Piaggio) APRILIA SCARABEO 250 APRILIA SCARABEO 250 LIGHT ie dal 2007-> APRILIA SCARABEO 300 SPECIAL ie APRILIA SPORTCITY 125 APRILIA SPORTCITY 125 ONE (LEADER) APRILIA SPORTCITY 200 APRILIA SPORTCITY CUBE 250 APRILIA SPORTCITY STREET 300 APRILIA SR 125 MAX 4T i E3 APRILIA SR 125/150 APRILIA SR 300 MAX 4T ie PIAGGIO BEVERLY 125 PIAGGIO BEVERLY 200 PIAGGIO BEVERLY 250 PIAGGIO BEVERLY 300 ie 2010/2016 PIAGGIO BEVERLY 300 ie E4 dal 2017-> PIAGGIO BEVERLY 300 ie TOURER PIAGGIO CARNABY 125 PIAGGIO CARNABY 200 PIAGGIO CARNABY 250 PIAGGIO FLY 125/150 (LEADER) PIAGGIO HEXAGON 125 GTX PIAGGIO HEXAGON 125 LX4