Clutch spring Polini Evo-Slider Yamaha T-Max 500/530/560

Clutch spring Polini Evo-Slider for Yamaha T-Max 500/530/560.

Polini Evo-Slider for Yamaha T-Max 500/530/560.

It is 34% harder than the original.

The hardness of the contrast spring plays an important role in transmitting power from the engine to the rear wheel.
It exerts counterpressure on the rear pulleys and therefore has a considerable influence on the operation of the variator. The contrast spring is usually stiffer if the belt tends to slip, if the drive is not working at the optimum RPM level or if the motor despite light weights is still running below the optimum RPM.
What has a negative influence on the motor performance is a twisted contrast spring. With the Evo-Slider spring, the manufacturer Polini solves this problem.

With the Evo-Slider spring, the Evo-Slider is the perfect solution.

It is a small plate that is mounted between the contrast spring and the clutch, which reduces the torque to a minimum. In addition, the Polini Evo-Slider absorbs pulley vibrations at high RPM.
The result is a thinner engine and better power transmission to the rear wheel.
Thethicker the diameter, the harder the contrasting spring.

The spring, the harder the contrast spring.

The kit includes a stiffer spring and an Evo-Slider insert.
The Evo-Slider Polini allows the rotation of the spring and which significantly improves the behavior of the Maxiscooter when starting from standstill and the gas response

The Evo-Slider Polini allows the rotation of the spring and which significantly improves the behavior of the Maxiscooter when starting from standstill and the gas response