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CVT and Drive Belts

(220 products)
Maxi Scooter Variators CVT Kits CVT Weights Drive Belts Pulleys CVT Accessories
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Product type
Clutch accessories CVT CVT accessories CVT cover CVT kit CVT sliders CVT weights Pulley Ramp plate Repair / maintenance kit Spring V-belt Washer Kickstart washer O-ring
Brand
2Fast Athena Bando Dayco Doppler GY6 Malossi MotoForce MotoForce Racing Naraku Piaggio Polini RMS Stage6 Stage6 R/T Standard Parts Top Performances Yamaha Yasuni
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Polini
Drive Belt Polini Original Honda PCX 125 2010 - 2014
Article no.: P248.116

Drive Belt Polini Original Honda PCX 125 2010 - 2014

33,00 €
Currently not in stock
RRP
39,00 €
-15% Discount
Piaggio
CVT Maintenance Kit Piaggio MP3 / X-Evo / Vespa GTS 125cc
Article no.: OE-PIA1R000433

CVT Maintenance Kit Piaggio MP3 / X-Evo / Vespa GTS 125cc

54,00 €
Currently not in stock
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
Drive Belt Polini Original Piaggio before 1998 short
Article no.: U248.005
1

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
1

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

27,00 €
Currently not in stock
RRP
31,00 €
-13% Discount
RMS
Fan Wheel plastic RMS OEM quality Piaggio NRG / Typhoon
Article no.: R142740070
1

Fan Wheel plastic RMS OEM quality Piaggio NRG / Typhoon

4,00 €
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
CVT Malossi Multivar 2000 Peugeot Speedfight / TKR 100cc
Article no.: M5111558
1

CVT Malossi Multivar 2000 Peugeot Speedfight / TKR 100cc

94,50 €
Currently not in stock
Malossi
CVT Malossi Multivar 2000 Yamaha Xmax / Majesty 250cc
Article no.: M5111225
1

CVT Malossi Multivar 2000 Yamaha Xmax / Majesty 250cc

147,00 €
Currently not in stock
RRP
154,00 €
-5% Discount
Malossi
CVT Malossi Multivar 2000 Piaggio Vespa ET4 / Hexagon 125cc
Article no.: M5111154

CVT Malossi Multivar 2000 Piaggio Vespa ET4 / Hexagon 125cc

98,00 €
Currently not in stock
RRP
101,00 €
-3% Discount
Malossi
CVT Malossi 2000 Malossi Peugeot 100cc before 1999
Article no.: M5111127
3

CVT Malossi 2000 Malossi Peugeot 100cc before 1999

84,50 €
Currently not in stock
RRP
92,00 €
-8% Discount
Dayco
V-Belt Dayco Power Plus Aprilia / Gilera / Piaggio / Vespa 250-300
Article no.: VC25928

V-Belt Dayco Power Plus Aprilia / Gilera / Piaggio / Vespa 250-300

66,00 €
Currently not in stock
Dayco
V-Belt Dayco Power Plus Piaggio / Peugeot / Malaguti 400 / 500
Article no.: VC30031

V-Belt Dayco Power Plus Piaggio / Peugeot / Malaguti 400 / 500

62,50 €
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 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
V-Belt Dayco Piaggio Hexagon / SKR / Runner / Dragster 180
Article no.: VC31198

V-Belt Dayco Piaggio Hexagon / SKR / Runner / Dragster 180

25,50 €
Currently not in stock
Dayco
Drive Belt Dayco Power Plus 724mm Piaggio before 1998 short
Article no.: DC32265

Drive Belt Dayco Power Plus 724mm Piaggio before 1998 short

19,00 €
Currently not in stock
Dayco
V-Belt Dayco Power Plus Piaggio Hexagon 2T Skipper / SKR 2T / Runner / Dragster 180
Article no.: DC32282

V-Belt Dayco Power Plus Piaggio Hexagon 2T Skipper / SKR 2T / Runner / Dragster 180

28,50 €
Currently not in stock
Dayco
Drive Belt Dayco Power Plus Peugeot 100 2-Takt -2000
Article no.: DC32359
1

Drive Belt Dayco Power Plus Peugeot 100 2-Takt -2000

23,00 €
Currently not in stock
Bando
Drive Belt Bando V/S Minarelli 100 2-stroke
Article no.: VC19985

Drive Belt Bando V/S Minarelli 100 2-stroke

22,00 €
Currently not in stock
Bando
Drive Belt Bando V/S SYM Euro MX / RS Shark 125 / 150ccm
Article no.: VC30859

Drive Belt Bando V/S SYM Euro MX / RS Shark 125 / 150ccm

22,50 €
Currently not in stock
Bando
Drive Belt Bando V/S Typ 732mm Piaggio after 1998 short
Article no.: VC31180

Drive Belt Bando V/S Typ 732mm Piaggio after 1998 short

25,00 €
Currently not in stock
Malossi
CVT Malossi Multivar 2000 Yamaha D'elight 115
Article no.: M5116287

CVT Malossi Multivar 2000 Yamaha D'elight 115

92,00 €
Currently not in stock
RRP
94,00 €
-2% Discount
Malossi
CVT Malossi Multivar 2000 Vespa Primavera 125 Euro 4 / 5
Article no.: M5116674

CVT Malossi Multivar 2000 Vespa Primavera 125 Euro 4 / 5

144,00 €
Currently not in stock
RRP
148,00 €
-3% Discount
Malossi
CVT Malossi Multivar MHR Next Kymco AK 550 Euro 4 / 5
Article no.: M5118058

CVT Malossi Multivar MHR Next Kymco AK 550 Euro 4 / 5

238,00 €
Currently not in stock
RRP
244,00 €
-2% Discount
Malossi
CVT Malossi Multivar 2000 Honda SH 350 Euro 5
Article no.: M5118980

CVT Malossi Multivar 2000 Honda SH 350 Euro 5

229,00 €
Currently not in stock
Malossi
Overrange Drive Kit Malossi Yamaha Tmax 530 / 560cc
Article no.: M6118154

Overrange Drive Kit Malossi Yamaha Tmax 530 / 560cc

608,00 €
Currently not in stock
Malossi
Drive Belt Malossi X K Belt Yamaha Tmax 530 / 560
Article no.: M6118071

Drive Belt Malossi X K Belt Yamaha Tmax 530 / 560

191,00 €
Currently not in stock
Malossi
Drive Belt Malossi X K Belt Suzuki Burgman 400 Euro 4 / 5
Article no.: M6113396

Drive Belt Malossi X K Belt Suzuki Burgman 400 Euro 4 / 5

134,00 €
Currently not in stock
RRP
138,00 €
-3% Discount
Malossi
Drive Belt Malossi X K Belt Peugeot SV 250
Article no.: M6116421

Drive Belt Malossi X K Belt Peugeot SV 250

53,00 €
Currently not in stock
RRP
54,00 €
-2% Discount
Malossi
Drive Belt Malossi X K Belt Kymco B&W 250
Article no.: M6116568

Drive Belt Malossi X K Belt Kymco B&W 250

56,00 €
Currently not in stock
RRP
57,00 €
-2% Discount
Malossi
Drive Belt Malossi X K Belt Honda PCX 125 Euro 5
Article no.: M6119482

Drive Belt Malossi X K Belt Honda PCX 125 Euro 5

63,00 €
Currently not in stock
Malossi
Drive Belt Malossi X K Belt Honda PCX 125 before 2014
Article no.: M6114895

Drive Belt Malossi X K Belt Honda PCX 125 before 2014

54,00 €
Currently not in stock
RRP
55,00 €
-2% Discount
Malossi
Drive Belt Malossi X K Belt Aprilia Sportcity 200 Euro 3
Article no.: M6116697

Drive Belt Malossi X K Belt Aprilia Sportcity 200 Euro 3

79,00 €
Currently not in stock
RRP
81,00 €
-2% Discount
Polini
Internal Spring D.40mm for Polini Maxi Hi-Speed variator
Article no.: P246.051

Internal Spring D.40mm for Polini Maxi Hi-Speed variator

6,80 €
Currently not in stock
RRP
7,70 €
-12% Discount
Polini
Rear Pulley Guide Pins Polini Yamaha T-Max 2001-2016
Article no.: P242.049

Rear Pulley Guide Pins Polini Yamaha T-Max 2001-2016

18,00 €
Currently not in stock
Polini
CVT Polini Hi-Speed Yamaha T-Max 500 2008/2011
Article no.: P241.714

CVT Polini Hi-Speed Yamaha T-Max 500 2008/2011

184,00 €
Currently not in stock
RRP
212,00 €
-13% Discount
Naraku
CVT Naraku Maxi-Speed Piaggio Fly / Liberty / Vespa Primavera / Sprint / LX / S 125i / 150i 3V
Article no.: NK900.32

CVT Naraku Maxi-Speed Piaggio Fly / Liberty / Vespa Primavera / Sprint / LX / S 125i / 150i 3V

139,00 €
Currently not in stock
RRP
152,45 €
-9% Discount
Yamaha
Drive Belt secondary Yamaha Tmax 530cc after 2012
Article no.: OE-MAL59CW462400

Drive Belt secondary Yamaha Tmax 530cc after 2012

572,00 €
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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