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CVT and Drive Belts

(421 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
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
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

5,00 €
In stock
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 / Fanwheel Polini Air Speed Sport CPI
Article no.: U244.030

CVT Pulley / Fanwheel Polini Air Speed Sport CPI

22,00 €
In stock
RRP
33,00 €
-33% Discount
Sale
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
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 Aerox 4T / China 2T / Minarelli short
Article no.: U248.004

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

25,50 €
In stock
RRP
29,00 €
-12% 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

58,00 €
In stock
RRP
86,00 €
-33% Discount
Sale
Polini
CVT Polini Speed Control Suzuki Katana before 1999
Article no.: U241.550

CVT Polini Speed Control Suzuki Katana before 1999

58,00 €
In stock
RRP
86,00 €
-33% Discount
Sale
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

91,00 €
In stock
RRP
135,00 €
-33% Discount
Sale
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

58,00 €
In stock
RRP
86,00 €
-33% Discount
Sale
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
Malossi
Drive Belt Malossi X-Special Belt Piaggio before 1998 long
Article no.: M619832

Drive Belt Malossi X-Special Belt Piaggio before 1998 long

29,00 €
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 €
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

34,00 €
In stock
Sale
Malossi
Drive Belt Malossi X K Belt Honda Dio
Article no.: M617211

Drive Belt Malossi X K Belt Honda Dio

27,00 €
In stock
RRP
35,00 €
-23% Discount
Sale
Malossi
Variator Fan Wheel Malossi MHR Ventilvar Minarelli
Article no.: M617152

Variator Fan Wheel Malossi MHR Ventilvar Minarelli

29,00 €
In stock
RRP
34,00 €
-15% Discount
Sale
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

68,00 €
In stock
RRP
95,00 €
-28% Discount
Sale
Malossi
CVT Variator Malossi Multivar Kymco Spacer / Cobra / Super 9
Article no.: M519988

CVT Variator Malossi Multivar Kymco Spacer / Cobra / Super 9

63,00 €
In stock
RRP
82,00 €
-23% 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

74,50 €
In stock
RRP
85,00 €
-12% 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

64,00 €
In stock
RRP
89,00 €
-28% Discount
Sale
Malossi
CVT Variator Malossi Multivar Peugeot SV / Honda X8R
Article no.: M517117

CVT Variator Malossi Multivar Peugeot SV / Honda X8R

62,00 €
In stock
RRP
82,00 €
-24% 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
Malossi
CVT Variator Malossi Multivar Minarelli
Article no.: M517075
2

CVT Variator Malossi Multivar Minarelli

77,00 €
In stock
RRP
89,00 €
-13% Discount
Sale
Malossi
CVT Variator Malossi MHR Multivar Aprilia SR
Article no.: M5111561

CVT Variator Malossi MHR Multivar Aprilia SR

69,00 €
In stock
RRP
87,00 €
-21% Discount
Sale
Malossi
CVT Variator Malossi MHR Multivar Suzuki Katana (after 1999)
Article no.: M5111298

CVT Variator Malossi MHR Multivar Suzuki Katana (after 1999)

85,00 €
In stock
RRP
87,00 €
-2% Discount
Malossi
Spacer Ring Malossi Multivar Minarelli
Article no.: M087059.B0

Spacer Ring Malossi Multivar Minarelli

5,80 €
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

92,00 €
In stock
RRP
125,00 €
-26% 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

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
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

22,00 €
In stock
Sale
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
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 €
In stock
RRP
80,00 €
-15% Discount
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 €
In stock
Piaggio
Variator Restrictor Ring 26x20x5,5mm Piaggio
Article no.: OE-PIACM100609

Variator Restrictor Ring 26x20x5,5mm Piaggio

2,10 €
In stock
Piaggio
Variator Restrictor Ring 26x20x4mm Piaggio
Article no.: OE-PIACM100606

Variator Restrictor Ring 26x20x4mm Piaggio

2,20 €
In stock
Piaggio
Variator Restrictor Ring 26x20x3mm Piaggio
Article no.: OE-PIACM100604

Variator Restrictor Ring 26x20x3mm Piaggio

2,00 €
In stock
Piaggio
Variator Ramp Plate Piaggio after '99
Article no.: OE-PIA480227

Variator Ramp Plate Piaggio after '99

8,00 €
In stock
10,00 €
-20% Discount
Sale
Piaggio
Variator Slider Piaggio (x1)
Article no.: OE-PIA289931

Variator Slider Piaggio (x1)

1,00 €
In stock
Peugeot
Variator Slider Peugeot vertical (x1)
Article no.: OE-PEU802413

Variator Slider Peugeot vertical (x1)

2,60 €
In stock
3,00 €
-13% Discount
Peugeot
Variator Ramp Plate Peugeot horizontal
Article no.: OE-PEU732744

Variator Ramp Plate Peugeot horizontal

15,00 €
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
Top Performances
Front Pulley / Fan Wheel Top Performances Minarelli
Article no.: TPL04056

Front Pulley / Fan Wheel Top Performances Minarelli

12,00 €
In stock
Standard Parts
Drive Belt Bando Sym 50 Orbit 2
Article no.: CGN484336

Drive Belt Bando Sym 50 Orbit 2

22,00 €
In stock
29,50 €
-25% Discount
Sale
Standard Parts
Drive Belt Bando Sym 50 Jet
Article no.: CGN478105

Drive Belt Bando Sym 50 Jet

20,00 €
In stock
25,00 €
-20% Discount
Sale
Polini
CVT Variator Polini Hi Speed Sym Orbit 50cc 4-stroke
Article no.: P241.754

CVT Variator Polini Hi Speed Sym Orbit 50cc 4-stroke

129,00 €
In stock
RRP
152,00 €
-15% Discount
MotoForce
Drive Belt Motoforce Morini
Article no.: MF72.00004

Drive Belt Motoforce Morini

14,50 €
In stock soon
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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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