What’s the variator performance?
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All the Polini variators have been studied and tested on all the scooters brands and models. They have been all tested on the original engine without the power unit. The main feature of all the Polini variator is the increase of the variator range. Usually it is possible to modify the pulley ratio on the belt obtaining in this way a short gear for the starting and a longer gear exploit the maximum speed of your scooter.
