Polini High Speed Variator for Minarelli Horiz.
![](https://euroscooterparts.co.uk/media/catalog/product/p/_/p.16428.jpg)
This component will fit the MBK Stunt 50cc AC post 2004 Scooter
![](https://www.naraku.co.uk/media/manufacturer/Polini.jpg)
Product Description
The latest variator technology from Polini for untuned 50cc engines for improved acceleration and higher top speed. Polini “Evo-sliders” make for better power transfer and shifting. No additional tuning required, so a great option for untuned scooters.
With untuned scooters, all the parts supplied must be fitted and additional fine-tuning is required.
Delivery contains: Hi-Speed variator with sleeve, 1x set of reinforced clutch springs, 1x stronger, calibrated clutch springs, counter pressure spring (22kg) with Evo-sliders and 1x set of variator weights (16x13) at 6.9g. Installation instructions can be found under the plastic inlay inside the packaging.
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