Polini
Article no.: U241.726
Polini Variator Hi Speed Evolution R02 d=16mm Piaggio NRG / Typhoon
Item no longer available. It is replaced by:
Polini
CVT Variator Polini Hi Speed Evolution 2 D. 16mm Piaggio Zip / Typhoon
130,00 €
In stock
133,00 €
-2% Discount
Description
Polini Variator 'Hi-Speed Evolution R02' Piaggio NRG / Typhoon, tuning variator by renowned Italian manufacturer Polini. As it was developed to be used with the original torque drive, it has to be used with a standard (preferably reinforced) drive belt. Pulley angles were designed to improve acceleration (compared to stock variator).
Ideally suited for a sports or racing engine set-up.
The kit includes 2 sets of 19x15.5mm roller weights and a reinforced (+ 8%) torque spring 'Evo Slider'.
- 2x 6 roller weights 19 x 15.5mm - 3.8g + 4.3g
- reinforced torque spring Evo Slider + 8%
Note: Variator sleeve is 16mm, that means that it can only be used with 16mm crankshafts (smooth spline).
Questions about the product
Notes and Safety
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
| Polini Variator Hi Speed Evolution R02 d=16mm Piaggio NRG / Typhoon | |
|---|---|
| Article no. | U241.726 |
| Weight | 0,40 kg |
| Series | Evolution |
| Brand | Polini |
| Product type | CVT |
| Range | Oversize |
| Roller size | 19 x 15,5 mm |
| Roller weight | 3,8 gr, 4,3 gr |
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