Piaggio X9 Maxi Polini Clutch Springs

Spring 10% harder than the original

The hardness of the contrast spring plays an important role in transmitting the engine's power to the rear wheel.
It exerts back pressure on the rear pulleys and therefore has a considerable influence on the operation of the variator. The contrast spring is usually harder if the belt tends to slip, if the variator does not operate at the optimal RPM level, or if the engine, despite light weights, continues to run below the optimal RPM.
What negatively affects engine performance is a twisted contrast spring.

Valid for:

Honda
Foresight 250 H2O 4T E2 2000-2005
Jazz 250 H2O 4T E2 2001-2004
Jazz ABS 250 H2O 4T E2 2001-2004
Reflex 250 H2O 4T E2 2001-2004

Peugeot
SV 250 H2O 4T 2001-2002

Piaggio
X9 250 H2O 4T E1 2000-2003 (Honda)

Sym
Citycom 300i H2O 4T E3 2008-2013
Citycom S 300i H2O 4T E3 2014-2017
Citycom S 300i H2O 4T E4 2017-2020
Cruisym 250i H2O 4T E4 2018-2020
Cruisym 300i H2O 4T E4 2018-2020
GTS 250 H2O 4T E2 2005-2006
GTS 250i H2O 4T E3 2007-2008
GTS 300i H2O 4T E3 2012-2014
GTS 300i H2O 4T E3 2014-2016
GTS 300i H2O 4T E4 2017-2020
GTS Evo 250i H2O 4T E3 2009-2010
GTS Evo 300i H2O 4T E3 2009-2011
HD ABS 300i H2O 4T E4 2019-2020
HD ABS 300i H2O 4T E5 2021->
Joymax 250i H2O 4T E3 2012-2014
Joymax 300i H2O 4T E3 2012-2013
Joymax 300i H2O 4T E3 2014-2016
Joymax 300i H2O 4T E4 2017-2020
Joymax Z 300i H2O 4T E4 2019-2020
Sym Joymax Z+ 300i H2O 4T E5 2021->