Contrast springs for Polini variators Code: 243.021 Polini has created contrast springs for the rear mobile half-pulley to adapt them to the additional load due to tuned 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. Features: % increase: +15% Spring load mm/Kg: 50/23,5 number of turns: 5 Filament diameter: 4,1 Unloaded spring length: 90 Internal diameter: 50
APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: KYMCO AGILITY 50 2T R16 (fino al 2014) KYMCO AGILITY 50 2T RS NAKED KYMCO B&W 50 2T KYMCO CX 50, CX SUPER KYMCO DINK 50 2T AIR KYMCO DJ 50 WORLD KYMCO DJX 50 KYMCO DJY 50 KYMCO HEROISM 50 KYMCO K12 50 KYMCO KB 50 KYMCO MXER, MAXXER 50 KYMCO SNIPER 50 DD KYMCO SUPER 8 50 2T ARIA BALI 50 DIO 50 ZX (fino al 1993) DIO 50 ZX ORIZZONTALE dal 1994-> DIO 50 SP, SR SFX 50 SGX 50 SKY SH 50 NEW SHADOW 50 SPORT 50 SFX SXR 50 VISION 50, VISION 50 Met In PGO BIG MAX 50 PEUGEOT BUXY 50 PEUGEOT ELYSEO 50 PEUGEOT JET FORCE 50 CARBURATORE PEUGEOT JET FORCE 50 INIEZIONE PEUGEOT KISBEE 50 2T ARIA PEUGEOT LOOXOR 50 PEUGEOT LOOXOR 50 TSDI PEUGEOT LUDIX 50 PEUGEOT LUDIX 50 BLASTER PEUGEOT METAL, X 50 PEUGEOT RS 50 BUXY PEUGEOT SPEEDAKE 50 PEUGEOT SPEEDFIGHT 50 AIR PEUGEOT SPEEDFIGHT 50 H2O PEUGEOT SPEEDFIGHT 2, 3 50 2T PEUGEOT SP