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Polini
Article no.: U241.635

CVT Variator Polini Maxi Hi-Speed Kymco Grand Dink / Xciting 250cc

178,00 €

incl. tax, plus shipping

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Description

Polini Variator "Maxi Hi-Speed" Kymco Grand Dink / X-Citing 250cc, tuning variator by renowned Italian manufacturer Polini that will give your engine a little boost. As always with Polini, top quality materials and excellent manufacturing quality ensure a long life.

Running surface, angles and roller tracks were redesigned and optimized for increased acceleration and improved top speed.

To get the most out of it, you'll have to test and try different roller weights to find the weights that are most fitting for your engine.

6 roller weights 23x18 - 22.2g.

Questions about the product
 
 
Notes and Safety

Polini Hi-Speed

The famous Polini brand lists their "Hi-Speed" CVT as part of their catalog for many years. Of course, the CVT has been upgraded and improved over time, but the basic principle is still the same: a tuning variator for original and slightly tuned engines with a noticeable increase in performance compared to the original variator.

Performance Polini High Speed CVT

With newly calculated and optimized angles, the Hi-Speed variator allows an extended power band. This shows above all in noticeably better acceleration, but also in a slightly higher top speed.

Two integrated O-rings provide the sleeve with better lubrication, resulting in less friction.

The low-friction, robust chrome coating ensures reduced wear and increased service life.

For heavily tuned engines and engines with a significantly larger displacement, it is worth using an overrange CVT.

scooter CVT

Modern scooters are equipped with a continuously variable transmission, the so-called CVT, also called variator.

CVT Parts:

  • Front pulley, movable. It contains the variator weights and has a special shape with an inclined surface to allow the V-belt to move freely up and down.
  • Ramp plate: Holds the weights in place.
  • Variator sleeve: Serves as a bearing for the variator, which moves axially back and forth, i.e., opens and closes.
  • CVT roller weights: Adjustment weights that play a critical role in function and performance.

original, Sport and Oversize CVTs

  • Original: Original or OEM quality CVTs are equipped with a restrictor to limit the speed to 45km/h. There are riders who remove the restrictor to derestrict their scooter and unleash the full performance without restrictions.
  • Sport: Sport CVTs are lighter than the original and are characterized by special angles and a special coating, which increases the top speed, but especially acceleration.
  • Oversize: Based on the same principle as the Sport CVT, but has larger dimensions. With an oversize / overrange vario, the performance of the scooter can be increased even further.

You should also always replace the V-belt when replacing the CVT or go for a complete CVT kit.

How to install a CVT transmission ?

Technical details
CVT Variator Polini Maxi Hi-Speed Kymco Grand Dink / Xciting 250cc
Article no.U241.635
EAN4051272193200
Weight0,60 kg
SeriesHi-Speed
BrandPolini
Product typeCVT
RangeStandard
Roller size23 x 18 mm
Roller weight22,0 gr
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