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CVT and Drive Belts

(423 products)
Scooter Variators CVT Kits CVT Weights Drive Belts Pulleys CVT Accessories
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Bushings & Spacers CVT CVT accessories CVT cover CVT kit CVT restriction CVT sleeve CVT sliders CVT weights Kickstarter accessories Pulley Ramp plate Repair / maintenance kit V-belt Washer CVT shim Kickstart gear Kickstart washer Nut
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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
Transmission / CVT Kit Polini Hi-Speed Piaggio long
Article no.: U241.672.2

Transmission / CVT Kit Polini Hi-Speed Piaggio long

110,00 €
In stock
RRP
132,00 €
-17% Discount
MotoForce Racing
CVT Kit MotoForce Racing GY6 139QMB
Article no.: MF75.13910

CVT Kit MotoForce Racing GY6 139QMB

117,90 €
In stock
131,00 €
-10% Set-Rabatt
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 €
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

36,00 €
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 €
In stock
32,50 €
-2% Discount
Athena
V-Belt Athena Maxi Platinum Peugeot Speedfight / TKR 100cc
Article no.: AT-S41PLAT015

V-Belt Athena Maxi Platinum Peugeot Speedfight / TKR 100cc

24,00 €
In stock
27,50 €
-13% Discount
Sale
Polini
Variator Weights Polini (x12)
Article no.: 106000_A-GEWPOLINI_12STK

Variator Weights Polini (x12)

8,00 €
In stock
26,00 €
-69% Discount
Polini
Variator Weights Polini (x8)
Article no.: 106000_A-GEWPOLINI_8STK

Variator Weights Polini (x8)

6,20 €
In stock
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 €
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 €
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 €
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 €
In stock
RRP
27,00 €
-15% 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 €
In stock
RRP
48,00 €
-15% Discount
Polini
Drive Belt Evolution Aramid Honda Vision 50 4-stroke ab 2012
Article no.: P248.108

Drive Belt Evolution Aramid Honda Vision 50 4-stroke ab 2012

37,00 €
In stock
RRP
44,00 €
-16% Discount
Polini
CVT Variator Polini Hi Speed Minarelli
Article no.: U241.301

CVT Variator Polini Hi Speed Minarelli

80,00 €
In stock
RRP
95,00 €
-16% Discount
Standard Parts
Variator Sliders (x3) Peugeot / SYM 4-stroke
Article no.: CGN511243

Variator Sliders (x3) Peugeot / SYM 4-stroke

3,00 €
In stock
3,50 €
-14% Discount
Polini
Drive Belt Polini Original Minarelli long (Aerox)
Article no.: U248.003
1

Drive Belt Polini Original Minarelli long (Aerox)

23,00 €
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 €
In stock
RRP
36,00 €
-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 €
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 €
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 €
In stock
RRP
30,00 €
-13% 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 €
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 €
In stock
RRP
30,00 €
-13% Discount
Polini
CVT Pulley / Fan Wheel Polini Air Speed Sport Piaggio NRG / Typhoon (before 1998)
Article no.: U244.110

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

27,00 €
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 €
In stock
RRP
31,00 €
-15% Discount
Polini
CVT Variator Polini Speed Control Sym Jet 50
Article no.: U241.590

CVT Variator Polini Speed Control Sym Jet 50

73,00 €
In stock
RRP
86,00 €
-15% Discount
Polini
CVT Variator Polini Hi-Speed Honda X8R
Article no.: U241.580

CVT Variator Polini Hi-Speed Honda X8R

73,00 €
In stock
RRP
86,00 €
-15% Discount
Polini
CVT Variator Polini Speed Control Gilera Runner / Stalker
Article no.: U241.561

CVT Variator Polini Speed Control Gilera Runner / Stalker

73,00 €
In stock
RRP
86,00 €
-15% Discount
Polini
CVT Kit Polini Hi-Speed Peugeot
Article no.: U241.510.2
1

CVT Kit Polini Hi-Speed Peugeot

114,00 €
In stock
RRP
135,00 €
-16% Discount
Polini
CVT Kit Polini Speed Control Honda Bali
Article no.: U241.510.1

CVT Kit Polini Speed Control Honda Bali

114,00 €
In stock
RRP
135,00 €
-16% Discount
Polini
CVT Polini Hi-Speed Honda Bali / Peugeot TKR
Article no.: U241.510
1

CVT Polini Hi-Speed Honda Bali / Peugeot TKR

73,00 €
In stock
RRP
86,00 €
-15% Discount
Polini
CVT Variator Polini Hi Speed Morini
Article no.: U241.400

CVT Variator Polini Hi Speed Morini

73,00 €
In stock
RRP
86,00 €
-15% 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 €
In stock
RRP
86,00 €
-15% Discount
Polini
CVT Polini Speed Control Peugeot horizontal
Article no.: U241.632
1

CVT Polini Speed Control Peugeot horizontal

73,00 €
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 €
In stock
RMS
Crankshaft Nut Washer RMS Minarelli
Article no.: R121855060

Crankshaft Nut Washer RMS Minarelli

2,10 €
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 €
In stock
Polini
CVT Kit Polini Hi-Speed Minarelli long / Aerox
Article no.: U241.670.1
2

CVT Kit Polini Hi-Speed Minarelli long / Aerox

99,50 €
In stock
RRP
125,00 €
-20% Discount
Sale
Polini
CVT Variator Polini Hi Speed Piaggio after 1998
Article no.: U241.672
1

CVT Variator Polini Hi Speed Piaggio after 1998

73,00 €
In stock
RRP
86,00 €
-15% Discount
Polini
CVT Variator Polini Hi-Speed Minarelli vertical
Article no.: U241.671

CVT Variator Polini Hi-Speed Minarelli vertical

68,00 €
In stock
RRP
86,00 €
-21% Discount
Sale
Polini
CVT Variator Polini Hi Speed Minarelli horizontal
Article no.: U241.670
1

CVT Variator Polini Hi Speed Minarelli horizontal

73,00 €
In stock
RRP
86,00 €
-15% Discount
MotoForce Racing
Variator Sleeve Motoforce Racing with shims Yamaha Aerox
Article no.: MF60.16633

Variator Sleeve Motoforce Racing with shims Yamaha Aerox

13,86 €
In stock
15,40 €
-10% Set-Rabatt
Polini
Transmission / CVT Kit Polini Hi-Speed Peugeot horizontal
Article no.: U241.632.1

Transmission / CVT Kit Polini Hi-Speed Peugeot horizontal

112,00 €
In stock
RRP
132,00 €
-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 €
In stock
Naraku
CVT Sleeve Naraku Racing Aprilia SR 50 / Piaggio NRG / Typhoon Euro 4
Article no.: NK800.21

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

11,00 €
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 €
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 €
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 €
In stock
Dayco
Drive Belt Dayco Piaggio Sfera / Zip Base
Article no.: VC31193

Drive Belt Dayco Piaggio Sfera / Zip Base

13,00 €
In stock
Dayco
V-Belt Dayco Piaggio Fly / Vespa Primavera / Sprint 50 4T
Article no.: VC31191

V-Belt Dayco Piaggio Fly / Vespa Primavera / Sprint 50 4T

18,00 €
In stock
Dayco
Drive Belt Dayco SYM / Kymco horizontal
Article no.: VC31987

Drive Belt Dayco SYM / Kymco horizontal

22,00 €
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 €
In stock
Dayco
Drive Belt Dayco Honda Dio / Daelim Message / Cordi / Tapo
Article no.: DC32266

Drive Belt Dayco Honda Dio / Daelim Message / Cordi / Tapo

15,50 €
In stock
Dayco
V-Belt Dayco Power Plus Honda SFX / SJ Bali / Zenith 50
Article no.: DC32268
1

V-Belt Dayco Power Plus Honda SFX / SJ Bali / Zenith 50

19,50 €
In stock
Dayco
Drive Belt Dayco Power Plus Minarelli short
Article no.: DC32271

Drive Belt Dayco Power Plus Minarelli short

18,50 €
In stock
Dayco
Drive Belt Dayco Power Plus Peugeot
Article no.: DC32284
1

Drive Belt Dayco Power Plus Peugeot

18,50 €
In stock
Dayco
V-Belt Dayco Power Plus Honda SH / X8R 50 / SYM Joyride Evo 200ie
Article no.: DC32292

V-Belt Dayco Power Plus Honda SH / X8R 50 / SYM Joyride Evo 200ie

22,00 €
In stock
Dayco
Drive Belt Dayco Power Plus Kymco Heroism / Movie 125 / 150
Article no.: DC32302

Drive Belt Dayco Power Plus Kymco Heroism / Movie 125 / 150

50,50 €
In stock
Dayco
Drive Belt Dayco 676mm 139QMB/QMA 10 inch
Article no.: DC32269

Drive Belt Dayco 676mm 139QMB/QMA 10 inch

15,00 €
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 €
In stock
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Scooter CVT

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 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 based on engine speed. Although systems 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).

Note: 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.

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.

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

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

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 an increased diameter (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, or Stage6, 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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