COUNTER SPRING, POLINI

Polini contrast springs for variator
Code: 243.078
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: +25%
Spring load mm/Kg: 70/50
Number of turns: 6
Filament diameter: 6
Unloaded spring length: 130
Internal diameter: 65


APPLICATIONS OF THIS PRODUCT:
According to the data provided by the manufacturer, this article is compatible with the following brands, models and years:
APRILIA ATLANTIC 400 SPRINT, ARRECIFE
APRILIA ATLANTIC 500
APRILIA ATLANTIC 500 Sprint, ARRECIFE
APRILIA SCARABEO 400
APRILIA SCARABEO 500 dal 2002 al 2005
APRILIA SCARABEO 500 dal 2006 al 2008
PIAGGIO BEVERLY 400
PIAGGIO BEVERLY 500
PIAGGIO BEVERLY 500 dal 2005->
PIAGGIO MP3 400
PIAGGIO MP3 500 E3 LT dal 2011 al 2016
PIAGGIO MP3 500 E4 dal 2017->
PIAGGIO X 8 400
PIAGGIO X 9 500
PIAGGIO X 9 500 EVOLUTION
PIAGGIO X 9 500 EVOLUTION dal 2005->
PIAGGIO X10 500 4T 4V ie E3
PIAGGIO XEVO 400
GILERA FUOCO 500
GILERA NEXUS 500
GILERA NEXUS 500 dal 2005->
PEUGEOT GEOPOLIS 400
PEUGEOT GEOPOLIS 500
PEUGEOT METROPOLIS 400i
PEUGEOT METROPOLIS 400i dal 2017->
PEUGEOT SATELIS 2 400 dal 2015
PEUGEOT >
PEUGEOT SATELIS 400 (Piaggio)
PEUGEOT SATELIS 500
MALAGUTI SPIDER 500
MALAGUTI SPIDERMAX 500/500 RS