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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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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
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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
Variator Weight Tuning Kit Polini
Article no.: BOITEGALETSPOLINI

Variator Weight Tuning Kit Polini

22,00 €
In stock
Top Performances
CVT Kit Top Performances TPR GP Minarelli long / Aerox
Article no.: T9931670
4

CVT Kit Top Performances TPR GP Minarelli long / Aerox

94,00 €
In stock
RRP
113,00 €
-17% Discount
Polini
Drive Belt Evo Overrange Minarelli long / Morini
Article no.: U248.040.2

Drive Belt Evo Overrange Minarelli long / Morini

59,00 €
In stock
RRP
70,00 €
-16% Discount
GY6
CVT Variator OEM quality GY6 139QMB/139QMA
Article no.: OE-GY6BT12278

CVT Variator OEM quality GY6 139QMB/139QMA

13,50 €
In stock
Malossi
Drive Kit Malossi MHR Overrange Minarelli short / Yamaha Jog
Article no.: M6118885

Drive Kit Malossi MHR Overrange Minarelli short / Yamaha Jog

428,00 €
In stock
RRP
537,00 €
-20% Discount
Malossi
Spare Parts Kit Malossi MHR Multivar for MHR Team crankshafts
Article no.: M2019248

Spare Parts Kit Malossi MHR Multivar for MHR Team crankshafts

43,00 €
In stock
RRP
52,00 €
-17% Discount
Doppler
CVT Doppler SX86 Minarelli
Article no.: CGN509125

CVT Doppler SX86 Minarelli

80,00 €
In stock
Malossi
Drive Belt Malossi X-Special Belt Peugeot
Article no.: M6112735
1

Drive Belt Malossi X-Special Belt Peugeot

25,00 €
In stock
2Fast
Fixed Drive Pulley 2Fast Alu CNC Yamaha Aerox
Article no.: 2FASTPULFIX01M

Fixed Drive Pulley 2Fast Alu CNC Yamaha Aerox

99,50 €
In stock
Doppler
V-belt 737x18x8.5mm Doppler Kymco Agility 50 4-stroke 12”.
Article no.: CGN527391

V-belt 737x18x8.5mm Doppler Kymco Agility 50 4-stroke 12”.

14,00 €
In stock
Malossi
CVT Variator Malossi Multivar Piaggio before 1998
Article no.: M518648

CVT Variator Malossi Multivar Piaggio before 1998

103,00 €
In stock
RRP
106,00 €
-3% Discount
Malossi
CVT Malossi Multivar 2000 Honda Vision 50 4T
Article no.: M5115209

CVT Malossi Multivar 2000 Honda Vision 50 4T

65,00 €
In stock
RRP
80,00 €
-19% Discount
Sale
Malossi
Drive Belt Malossi X K Belt Honda Vision 50 4T
Article no.: M6116671

Drive Belt Malossi X K Belt Honda Vision 50 4T

35,00 €
In stock
RRP
42,00 €
-17% Discount
Sale
Polini
CVT Weights Polini (x6)
Article no.: P242.ROLLERWEIGHTS

CVT Weights Polini (x6)

8,50 €
In stock
18,00 €
-53% Discount
Polini
Drive Belt Evo Yamaha Aerox (long)
Article no.: U248.040

Drive Belt Evo Yamaha Aerox (long)

36,00 €
In stock
RRP
42,00 €
-14% Discount
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
Polini
Transmission / CVT Kit Polini Hi-Speed Piaggio short
Article no.: U241.672.1

Transmission / CVT Kit Polini Hi-Speed Piaggio short

112,00 €
In stock
RRP
132,00 €
-15% Discount
Malossi
CVT Kit Malossi MHR Overrange Piaggio before 2011
Article no.: M6118835

CVT Kit Malossi MHR Overrange Piaggio before 2011

310,00 €
In stock
RRP
375,00 €
-17% Discount
Malossi
CVT Kit Overrange Malossi MHR Minarelli short / Jog
Article no.: M6112812

CVT Kit Overrange Malossi MHR Minarelli short / Jog

299,00 €
In stock
RRP
370,00 €
-19% Discount
Sale
Malossi
Drive Belt Malossi X K Belt Overrange Yamaha Jog (short)
Article no.: M6111108

Drive Belt Malossi X K Belt Overrange Yamaha Jog (short)

32,00 €
In stock
RRP
37,00 €
-14% Discount
Sale
Athena
V-Belt Athena Maxi Platinum Peugeot Speedfight / TKR 100cc
Article no.: AT-S41PLAT015

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

23,00 €
In stock
Sale
Polini
Variator Weights Polini (x8)
Article no.: 106000_A-GEWPOLINI_8STK

Variator Weights Polini (x8)

6,20 €
In stock
31,00 €
-80% Discount
Polini
Drive Belt Polini Original Aerox / Minarelli long
Article no.: P248.003.F
1

Drive Belt Polini Original Aerox / Minarelli long

20,50 €
In stock
RRP
24,00 €
-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
Malossi
Variator Weights (x6) Malossi
Article no.: 105500_A-GEWMALOSSI
4

Variator Weights (x6) Malossi

6,90 €
In stock
16,50 €
-58% Discount
Polini
Variator Sliders Polini 50cc scooters (3x)
Article no.: U242.029

Variator Sliders Polini 50cc scooters (3x)

2,50 €
In stock
3,00 €
-17% 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 Polini Speed Control Suzuki Katana before 1999
Article no.: U241.550

CVT Polini Speed Control Suzuki Katana before 1999

66,00 €
In stock
RRP
86,00 €
-23% Discount
Sale
Polini
CVT Variator Polini Speed Control Gilera Runner / Stalker
Article no.: U241.561

CVT Variator Polini Speed Control Gilera Runner / Stalker

63,00 €
In stock
RRP
86,00 €
-27% Discount
Sale
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 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 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
Crankshaft Nut Washer RMS Minarelli
Article no.: R121855060

Crankshaft Nut Washer RMS Minarelli

2,10 €
In stock
Malossi
V-Belt Malossi X-K Belt Italjet Formula / Malaguti Ciak 100
Article no.: M618779

V-Belt Malossi X-K Belt Italjet Formula / Malaguti Ciak 100

35,00 €
In stock
Sale
Malossi
Drive Belt Malossi X K Belt Honda Dio
Article no.: M617211

Drive Belt Malossi X K Belt Honda Dio

29,00 €
In stock
RRP
35,00 €
-17% Discount
Sale
Malossi
Variator Fan Wheel Malossi MHR Ventilvar Minarelli
Article no.: M617152

Variator Fan Wheel Malossi MHR Ventilvar Minarelli

33,00 €
In stock
RRP
34,00 €
-3% Discount
Malossi
Drive Belt Malossi X-Special Belt Piaggio after 1998 short
Article no.: M6111246

Drive Belt Malossi X-Special Belt Piaggio after 1998 short

31,00 €
In stock
RRP
32,00 €
-3% Discount
Malossi
CVT Variator Malossi MHR Multivar Suzuki StreetMagic
Article no.: M519994

CVT Variator Malossi MHR Multivar Suzuki StreetMagic

76,00 €
In stock
RRP
95,00 €
-20% Discount
Sale
Malossi
CVT Variator Malossi Multivar 2000 Piaggio NRG / Runner
Article no.: M519019
2

CVT Variator Malossi Multivar 2000 Piaggio NRG / Runner

85,00 €
In stock
RRP
92,00 €
-8% Discount
Malossi
CVT Variator Malossi Multivar Peugeot
Article no.: M518752
1

CVT Variator Malossi Multivar Peugeot

69,00 €
In stock
RRP
85,00 €
-19% Discount
Malossi
CVT Malossi MHR Multivar Honda Dio ZX / Kymco Sniper / Heroism
Article no.: M517484

CVT Malossi MHR Multivar Honda Dio ZX / Kymco Sniper / Heroism

73,00 €
In stock
RRP
89,00 €
-18% Discount
Sale
Malossi
CVT Variator Malossi Multivar Piaggio Zip (1st series)
Article no.: M517081

CVT Variator Malossi Multivar Piaggio Zip (1st series)

87,00 €
In stock
RRP
89,00 €
-2% Discount
Polini
CVT Kit Polini Hi-Speed Minarelli long / Aerox
Article no.: U241.670.1
2

CVT Kit Polini Hi-Speed Minarelli long / Aerox

102,00 €
In stock
RRP
125,00 €
-18% Discount
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

74,00 €
In stock
RRP
86,00 €
-14% Discount
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
Malossi
CVT Kit Overrange Malossi MHR Minarelli long / Aerox
Article no.: M6112811
1

CVT Kit Overrange Malossi MHR Minarelli long / Aerox

327,00 €
In stock
RRP
396,00 €
-17% Discount
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
Malossi
V-Belt Malossi X Special Belt Aerox 4T / China 2T / Minarelli short
Article no.: M6112741

V-Belt Malossi X Special Belt Aerox 4T / China 2T / Minarelli short

25,00 €
In stock
Malossi
CVT Variator Malossi MHR version 2005 Yamaha Aerox / BW's
Article no.: M5112800

CVT Variator Malossi MHR version 2005 Yamaha Aerox / BW's

117,00 €
In stock
RRP
128,00 €
-9% Discount
Peugeot
Variator Slider Peugeot vertical (x1)
Article no.: OE-PEU802413

Variator Slider Peugeot vertical (x1)

2,60 €
In stock
3,00 €
-13% Discount
Peugeot
Bushing Kickstart 14x18x21,5mm Original Peugeot 2T / 4T
Article no.: OE-PEU779638
1

Bushing Kickstart 14x18x21,5mm Original Peugeot 2T / 4T

1,60 €
In stock
Yamaha
Variator Restrictor Ring 18x23,5x6,5mm Minarelli
Article no.: OE-MIN5PEE76540000

Variator Restrictor Ring 18x23,5x6,5mm Minarelli

8,10 €
In stock
MotoForce
Variator Restrictor Ring 6mm Minarelli
Article no.: MF60.16609/6

Variator Restrictor Ring 6mm Minarelli

3,10 €
In stock soon
MotoForce
Drive Belt Motoforce Morini
Article no.: MF72.00004

Drive Belt Motoforce Morini

14,50 €
In stock soon
MotoForce
CVT Sliders x3 Piaggio Gilera Aprilia
Article no.: MF60.14011
1

CVT Sliders x3 Piaggio Gilera Aprilia

2,60 €
In stock soon
RRP
2,80 €
-7% Discount
MotoForce
Variator Pulley / Drive Face Piaggio
Article no.: MF78.14002
1

Variator Pulley / Drive Face Piaggio

14,50 €
In stock soon
RRP
15,00 €
-3% Discount
MotoForce
CVT Fan Wheel GY6 4-stroke
Article no.: MF78.19401

CVT Fan Wheel GY6 4-stroke

1,90 €
In stock soon
RRP
2,20 €
-14% Discount
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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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