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CVT and Drive Belts

(401 products)
Scooter Variators CVT Kits CVT Weights Drive Belts Pulleys CVT Accessories
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Product type
Bushings & Spacers CVT CVT accessories CVT boss CVT cover CVT kit CVT restriction CVT sliders CVT weights Kickstarter accessories Pulley Ramp plate Repair / maintenance kit V-belt Washer CVT shim Kickstart gear Kickstart washer Nut
Brand
2Fast Airsal Aprilia Athena Bando Dayco Doppler GY6 Malossi MotoForce MotoForce Racing Naraku Peugeot Piaggio Polini RMS Stage6 Stage6 R/T Standard Parts Top Performances Yamaha
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Polini
Drive Belt Evo Aerox 4T / China 2T / Minarelli short
Article no.: U248.030

Drive Belt Evo Aerox 4T / China 2T / Minarelli short

37,00 €
Currently not in stock
RRP
44,00 €
-16% Discount
Polini
Drive Belt Evo Piaggio after 1998 long
Article no.: U248.029

Drive Belt Evo Piaggio after 1998 long

41,00 €
Currently not in stock
RRP
48,00 €
-15% Discount
Polini
Drive Belt Polini Original Piaggio before 1998 long
Article no.: U248.011

Drive Belt Polini Original Piaggio before 1998 long

29,00 €
Currently not in stock
RRP
32,00 €
-9% Discount
Standard Parts
CVT Restrictor Ring 22x27x8mm Morini
Article no.: SP-90613

CVT Restrictor Ring 22x27x8mm Morini

3,20 €
Currently not in stock
Standard Parts
CVT Restrictor Ring 22x27x6mm Morini
Article no.: SP-90612

CVT Restrictor Ring 22x27x6mm Morini

2,90 €
Currently not in stock
Standard Parts
CVT Restrictor Ring 22x27x5mm Morini
Article no.: SP-90609

CVT Restrictor Ring 22x27x5mm Morini

2,90 €
Currently not in stock
Standard Parts
CVT Restrictor Ring 22x27x4mm Morini
Article no.: SP-90608

CVT Restrictor Ring 22x27x4mm Morini

2,90 €
Currently not in stock
Polini
Drive Belt Evo Yamaha Aerox 100cc
Article no.: U248.041

Drive Belt Evo Yamaha Aerox 100cc

35,00 €
Currently not in stock
RRP
41,00 €
-15% Discount
Malossi
CVT Malossi Multivar Honda Zoomer / Dio Clean 4-stroke
Article no.: M5111852

CVT Malossi Multivar Honda Zoomer / Dio Clean 4-stroke

80,00 €
Currently not in stock
Malossi
CVT Kit Malossi MHR Over Range Piaggio Zip
Article no.: M6118836

CVT Kit Malossi MHR Over Range Piaggio Zip

333,00 €
Currently not in stock
RRP
375,00 €
-11% Discount
Piaggio
CVT Maintenance Kit Piaggio Typhoon 2004 - 2011 / Gilera Runner 2005 - 2017
Article no.: OE-PIA1R000426

CVT Maintenance Kit Piaggio Typhoon 2004 - 2011 / Gilera Runner 2005 - 2017

37,00 €
Currently not in stock
Piaggio
CVT Maintenance Kit Piaggio Typhoon 2T / Aprilia SR Motard 2T 2010 - 2014
Article no.: OE-PIA1R000444

CVT Maintenance Kit Piaggio Typhoon 2T / Aprilia SR Motard 2T 2010 - 2014

54,00 €
Currently not in stock
Piaggio
CVT Maintenance Kit Piaggio 50 ZIP 2T 2000 / Vespa LX 2T 2005 - 2013
Article no.: OE-PIA1R000441

CVT Maintenance Kit Piaggio 50 ZIP 2T 2000 / Vespa LX 2T 2005 - 2013

32,00 €
Currently not in stock
Polini
CVT Variator Hi-Speed Polini Peugeot Speedfight 4 50 4T
Article no.: P241.759

CVT Variator Hi-Speed Polini Peugeot Speedfight 4 50 4T

73,00 €
Currently not in stock
RRP
86,00 €
-15% Discount
Polini
CVT Hi-Speed Polini Peugeot Kisbee 50 i.e. 2T AC Euro 4 after 2019
Article no.: P241.757

CVT Hi-Speed Polini Peugeot Kisbee 50 i.e. 2T AC Euro 4 after 2019

73,00 €
Currently not in stock
RRP
86,00 €
-15% Discount
Polini
CVT Hi-Speed Polini Peugeot Kisbee 50 4T Euro 5 after 2021
Article no.: P241.762
1

CVT Hi-Speed Polini Peugeot Kisbee 50 4T Euro 5 after 2021

73,00 €
Currently not in stock
RRP
86,00 €
-15% Discount
Polini
CVT Variator Polini Hi-Speed Kymco DJY, CX 50
Article no.: P241.480

CVT Variator Polini Hi-Speed Kymco DJY, CX 50

73,00 €
Currently not in stock
RRP
86,00 €
-15% Discount
Polini
Drive Belt Polini Original Piaggio after 1998 long
Article no.: P248.078

Drive Belt Polini Original Piaggio after 1998 long

32,50 €
Currently not in stock
RRP
38,00 €
-14% Discount
Polini
V-Belt Polini Original Piaggio Liberty 50 I-Get 3V Euro 3 / 4 / 5
Article no.: P248.122

V-Belt Polini Original Piaggio Liberty 50 I-Get 3V Euro 3 / 4 / 5

23,00 €
Currently not in stock
RRP
27,00 €
-15% Discount
Polini
Drive Belt Polini Original Kymco horizontal
Article no.: P248.062

Drive Belt Polini Original Kymco horizontal

43,00 €
Currently not in stock
RRP
51,00 €
-16% Discount
Polini
V-Belt Polini Evolution Kymco Heroism / Sniper / GY6 683x18,2mm
Article no.: P248.036

V-Belt Polini Evolution Kymco Heroism / Sniper / GY6 683x18,2mm

41,00 €
Currently not in stock
RRP
48,00 €
-15% Discount
Polini
CVT Boss Polini 13x20x38mm MBK / Yamaha
Article no.: P935.050

CVT Boss Polini 13x20x38mm MBK / Yamaha

16,00 €
Currently not in stock
RRP
18,00 €
-11% Discount
Polini
Drive Belt Polini Original Minarelli long (Aerox)
Article no.: U248.003
1

Drive Belt Polini Original Minarelli long (Aerox)

23,00 €
Currently not in stock
RRP
27,00 €
-15% Discount
Polini
CVT Pulley / Fan Wheel Polini Evo Piaggio after 1998
Article no.: U244.111

CVT Pulley / Fan Wheel Polini Evo Piaggio after 1998

30,50 €
Currently not in stock
RRP
36,00 €
-15% Discount
Polini
CVT Pulley / Fanwheel Polini Air Speed Sport CPI
Article no.: U244.030

CVT Pulley / Fanwheel Polini Air Speed Sport CPI

28,00 €
Currently not in stock
RRP
33,00 €
-15% Discount
Polini
CVT Fanwheel Polini w/ star washer Yamaha Aerox
Article no.: U244.010

CVT Fanwheel Polini w/ star washer Yamaha Aerox

29,50 €
Currently not in stock
RRP
33,00 €
-11% Discount
Polini
CVT Pulley / Fan Wheel Polini Air Speed Sport Honda Bali
Article no.: U244.040

CVT Pulley / Fan Wheel Polini Air Speed Sport Honda Bali

27,50 €
Currently not in stock
RRP
32,00 €
-14% Discount
Polini
Drive Belt Polini Original Peugeot
Article no.: U248.014
1

Drive Belt Polini Original Peugeot

26,00 €
Currently not in stock
RRP
30,00 €
-13% Discount
Polini
V-Belt Polini Original Aerox 4T / China 2T / Minarelli short
Article no.: U248.004

V-Belt Polini Original Aerox 4T / China 2T / Minarelli short

25,50 €
Currently not in stock
RRP
29,00 €
-12% Discount
Polini
V-Belt Polini Original Honda Lead / Peugeot Metropolis SC
Article no.: U248.013

V-Belt Polini Original Honda Lead / Peugeot Metropolis SC

21,00 €
Currently not in stock
RRP
24,00 €
-13% Discount
Polini
Drive Belt Polini Original Honda Bali / Peugeot Zenith
Article no.: U248.008

Drive Belt Polini Original Honda Bali / Peugeot Zenith

26,00 €
Currently not in stock
RRP
30,00 €
-13% Discount
Polini
Drive Belt Polini Original Piaggio before 1998 short
Article no.: U248.005

Drive Belt Polini Original Piaggio before 1998 short

24,00 €
Currently not in stock
RRP
28,00 €
-14% Discount
Polini
CVT Fan Wheel Polini Air Speed Sport Piaggio NRG / Typhoon (before 1998)
Article no.: U244.110

CVT Fan Wheel Polini Air Speed Sport Piaggio NRG / Typhoon (before 1998)

27,00 €
Currently not in stock
RRP
31,00 €
-13% Discount
Polini
Fan Wheel / CVT Pulley Polini Evo Minarelli vertical
Article no.: U244.012

Fan Wheel / CVT Pulley Polini Evo Minarelli vertical

26,50 €
Currently not in stock
RRP
31,00 €
-15% Discount
Polini
CVT Variator Polini Hi-Speed Honda X8R
Article no.: U241.580

CVT Variator Polini Hi-Speed Honda X8R

73,00 €
Currently not in stock
RRP
86,00 €
-15% Discount
Polini
CVT Kit Polini Speed Control Honda Bali
Article no.: U241.510.1

CVT Kit Polini Speed Control Honda Bali

114,00 €
Currently not in stock
RRP
135,00 €
-16% Discount
Polini
CVT Variator Polini Hi-Speed Aprilia SR 50 DiTech
Article no.: U241.363

CVT Variator Polini Hi-Speed Aprilia SR 50 DiTech

73,00 €
Currently not in stock
RRP
86,00 €
-15% Discount
RMS
Fan Wheel plastic RMS OEM quality Piaggio NRG / Typhoon
Article no.: R142740070

Fan Wheel plastic RMS OEM quality Piaggio NRG / Typhoon

4,00 €
Currently not in stock
Polini
Rotor/Variator Nut Polini M12
Article no.: P323.0010

Rotor/Variator Nut Polini M12

10,00 €
Currently not in stock
Piaggio
Kickstart Drive Gear Piaggio Typhoon / Sfera before 1995
Article no.: OE-PIA288694

Kickstart Drive Gear Piaggio Typhoon / Sfera before 1995

12,00 €
Currently not in stock
Malossi
Drive Belt Malossi X-Special Belt Piaggio before 1998 short
Article no.: M619829

Drive Belt Malossi X-Special Belt Piaggio before 1998 short

28,50 €
Currently not in stock
Malossi
V-Belt Malossi X-K Belt Piaggio TPH after 2011 / Scarabeo / Liberty
Article no.: M619535

V-Belt Malossi X-K Belt Piaggio TPH after 2011 / Scarabeo / Liberty

39,50 €
Currently not in stock
Malossi
Drive Belt Malossi X-Special Belt Honda X8R / SH after 1996
Article no.: M619221

Drive Belt Malossi X-Special Belt Honda X8R / SH after 1996

27,00 €
Currently not in stock
RRP
28,00 €
-4% Discount
Malossi
CVT Variator Malossi Multivar Kymco Spacer / Cobra / Super 9
Article no.: M519988

CVT Variator Malossi Multivar Kymco Spacer / Cobra / Super 9

79,00 €
Currently not in stock
RRP
82,00 €
-4% Discount
Malossi
CVT Variator Malossi Multivar PGO BigMax / T-Rex
Article no.: M518852

CVT Variator Malossi Multivar PGO BigMax / T-Rex

79,00 €
Currently not in stock
RRP
87,00 €
-9% Discount
Malossi
CVT Variator Malossi MHR Multivar Aprilia SR
Article no.: M5111561

CVT Variator Malossi MHR Multivar Aprilia SR

86,50 €
Currently not in stock
RRP
87,00 €
-1% Discount
Malossi
CVT Variator Malossi MHR Multivar Suzuki Katana (after 1999)
Article no.: M5111298

CVT Variator Malossi MHR Multivar Suzuki Katana (after 1999)

85,00 €
Currently not in stock
RRP
87,00 €
-2% Discount
Malossi
CVT Variator Malossi MHR Multivar 16mm stub CPI Hussar
Article no.: M5113363
2

CVT Variator Malossi MHR Multivar 16mm stub CPI Hussar

87,00 €
Currently not in stock
RRP
89,00 €
-2% Discount
Polini
CVT Variator Polini Speed Control Honda Zoomer 50cc 4-stroke
Article no.: U241.626

CVT Variator Polini Speed Control Honda Zoomer 50cc 4-stroke

68,00 €
Currently not in stock
RRP
80,00 €
-15% Discount
Naraku
CVT Variator / CVT Naraku Racing Piaggio 50cc 4-stroke
Article no.: NK901.27

CVT Variator / CVT Naraku Racing Piaggio 50cc 4-stroke

51,00 €
Currently not in stock
Naraku
CVT Boss Naraku Racing Aprilia SR 50 / Piaggio NRG / Typhoon Euro 4
Article no.: NK800.21

CVT Boss Naraku Racing Aprilia SR 50 / Piaggio NRG / Typhoon Euro 4

11,00 €
Currently not in stock
Dayco
V-Belt Dayco Scarabeo / Liberty / TPH after 2011
Article no.: VC26688

V-Belt Dayco Scarabeo / Liberty / TPH after 2011

17,50 €
Currently not in stock
Dayco
Drive Belt Dayco SYM DD 50 / Fiddle 50 2T AC
Article no.: VC30861

Drive Belt Dayco SYM DD 50 / Fiddle 50 2T AC

16,50 €
Currently not in stock
Dayco
V-Belt Dayco SYM Symphony / Aprilia Di-Tech / Peugeot 4T / Katana
Article no.: VC30862

V-Belt Dayco SYM Symphony / Aprilia Di-Tech / Peugeot 4T / Katana

18,00 €
Currently not in stock
Dayco
Drive Belt Dayco 804mm Piaggio before 1998 long
Article no.: VC31178

Drive Belt Dayco 804mm Piaggio before 1998 long

15,00 €
Currently not in stock
Dayco
V-Belt Dayco 732mm Piaggio / Vespa after 1998 short
Article no.: VC31194

V-Belt Dayco 732mm Piaggio / Vespa after 1998 short

17,00 €
Currently not in stock
Dayco
Drive Belt Dayco Piaggio after 1998 long
Article no.: VC31176

Drive Belt Dayco Piaggio after 1998 long

15,00 €
Currently not in stock
Dayco
Drive Belt Dayco 724mm Piaggio before 1998 short
Article no.: VC31175

Drive Belt Dayco 724mm Piaggio before 1998 short

14,00 €
Currently not in stock
Dayco
Drive Belt Dayco Power Plus Vespa LX / S / Sprint 125 / 150
Article no.: VC31179

Drive Belt Dayco Power Plus Vespa LX / S / Sprint 125 / 150

36,00 €
Currently not in stock
Dayco
Drive Belt Dayco Piaggio Sfera / Zip Base
Article no.: VC31193

Drive Belt Dayco Piaggio Sfera / Zip Base

13,00 €
Currently not in stock
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Scooter CVT transmission

A scooter's CVT operates with three main components: the variator (front pulley), the drive belt, and the torque driver (rear pulley).

As an evolution of the drive systems found on classic mopeds, this system is more sophisticated and powerful. Naturally, it must be perfectly tuned to ensure optimal power transfer to the rear wheel.

Together with the centrifugal clutch, the CVT forms a continuously variable transmission (CVT) that provides smooth acceleration without shifting jolts.

How a Scooter CVT Works:

Variator:

A variator allows the gear ratio to be adjusted automatically and variably depending on engine speed. Although systems may differ in detail, the principle remains the same:

  • The variator is mounted directly on the crankshaft, meaning it rotates at the same speed as the engine.
  • It consists of a fixed and a movable pulley, with the drive belt running in between. These pulleys are conically shaped.
  • The movable part contains variator weights: small cylindrical components or rollers that are pushed outward by centrifugal force, thereby moving the pulley.
  • Since the drive belt is wedged between the two conical pulleys, it is forced to slide upward. This changes the gear ratio and the speed of the driven parts (similar to a sprocket on a motorcycle: the larger it is, the higher the top speed).

CVT Weights (rollers)

Heavier weights cause the variator to open more slowly, while lighter weights make it open faster. Adjusting the CVT weights is essential after any modifications that affect engine power to achieve proper power delivery.

With every engine modification, the weight should be adjusted. Various tuning kits are available to find the ideal setup.

Drive Belt:

The belt simply provides the connection between the variator at the front and the torque driver at the rear. It slides from the inside to the outside on the variator pulleys to vary the speed.

This raises a question: if the belt rises higher on the variator, doesn't it become too short? How is this length compensated for? You will find the answer here ↓

Torque Driver (Rear Pulley):

To compensate for the movement of the belt and the required length, manufacturers install a torque driver. This is the rear counterpart to the front variator unit, which, like the variator, features a fixed and a movable pulley. During acceleration, the drive belt pushes the pulleys apart to move inward. When letting off the throttle, the torque spring pushes the movable pulley back together so the drive belt can return to its starting position.

Contra springs, like rollers, are available in different strengths (stiffness levels). It is important to choose a version that matches the engine performance.

Sport and Racing CVT: Optimized Ramp Angles and Larger Diameter

To adapt the gear ratio to the power of the respective engine, manufacturers have optimized the variator elements as much as possible: different weights, various torque spring strengths, different roller diameters, and ramp angles. As you can see, the possibilities are very diverse.

Sport CVT: Standard Range

Whether you choose a sport cylinder or stay with the original 50cc, a sport variator with a standard diameter is usually sufficient. The optimized ramps are perfectly adequate for bringing moderate power increases to the road.

Racing CVT: Oversize Range

When a scooter engine is more heavily tuned, for example with a racing or high-end cylinder from 70cc upward, the working range of the standard variator often becomes too small. The engine then has significantly more torque and power, which can only be fully utilized with the help of pulleys with increased diameters (oversize).

This results in both better acceleration and a higher top speed.

All well-known racing brands offer such systems: Stage6 R/T Oversize, Malossi Overrange, Polini Evolution, etc.

ATTENTION: Only a sufficiently powerful engine will work correctly with this type of variator, so stay away from oversize CVTs for standard setups!

Scooter Variators in Our Shop

In our online shop, you will find all types of CVTs and CVT accessories. Sport and racing variators from popular brands like Malossi, Polini, Stage6 and Stage6 R/T as well as standard variators for original-style repairs. Of course, we also carry a large selection of drive belts (original or reinforced), weights, torque springs, shims, torque drivers, and even complete CVT kits!

Naturally, we have all parts in stock for the most common models with Piaggio, Minarelli, Peugeot, or Morini engines, such as for the Piaggio Zip, MBK Booster, Peugeot Kisbee, Suzuki Katana, and many more!

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