Carburettor Parts. Polini HQ variator roller sets for tuning the variator includes 4.5, 5, 5.5g and 6g. Simply fit the weights into the casing. The set allows you to tune you scooter perfectly. To tune, begin with the heaviest weights and keep going down a set until the engine revs up and slows down equally.
This product would be ideal for individuals seeking a compact and lightweight city scooter, with a Polini HQ Variator roller adjustment, suitable for recreational riding or commuting in urban areas, typically weighing between 4.5 and 6.0 kg.