Skip to content
EUR
AUDBGNBRLCADCHFCNY CZKDKKEURGBPHRKHUFIDRILSINR JPYKronaMXN PLNRONRUBTHB TRYUSDZAR
English
FrançaisDeutschItalianoEspagnol
Scooter
50cc Bike
Moped
Motocross
Other
Equipment
Streetwear
Add your bike
Find products suitable for your machine
Display only products that match your vehicle. Simply select your vehicle type, make and model. You can also simply add it to your garage to access it later.

CVT and Drive Belts

(420 products)
Scooter Variators CVT Kits CVT Weights Drive Belts Pulleys CVT Accessories
Find products faster
Previous page
Page
5
of
7
Next page
420
420
products
found
420
420
products
found
Product type
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
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
Price
Reset filters
Sort by:
PopularityPrice (low to high)Price (high to low)
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
Drive Belt Polini Original Kymco horizontal
Article no.: P248.062

Drive Belt Polini Original Kymco horizontal

43,00 €
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

38,00 €
In stock
RRP
48,00 €
-21% Discount
Sale
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 Boss Polini 13x20x38mm MBK / Yamaha
Article no.: P935.050

CVT Boss Polini 13x20x38mm MBK / Yamaha

16,00 €
In stock
RRP
18,00 €
-11% Discount
Polini
CVT Variator Polini Hi Speed Minarelli
Article no.: U241.301
15

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
37

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 Pulley / Fanwheel Polini Air Speed Sport CPI
Article no.: U244.030

CVT Pulley / Fanwheel Polini Air Speed Sport CPI

28,00 €
In stock
RRP
33,00 €
-15% Discount
Polini
CVT Fanwheel Polini w/ star washer Yamaha Aerox
Article no.: U244.010
14

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
2

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
1

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

25,50 €
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 €
In stock
RRP
24,00 €
-13% Discount
Polini
Drive Belt Polini Original Honda Bali / Peugeot Zenith
Article no.: U248.008
1

Drive Belt Polini Original Honda Bali / Peugeot Zenith

26,00 €
In stock
RRP
30,00 €
-13% 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 €
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 €
In stock
RRP
31,00 €
-13% Discount
Polini
Fan Wheel / CVT Pulley Polini Evo Minarelli vertical
Article no.: U244.012
6

Fan Wheel / CVT Pulley Polini Evo Minarelli vertical

26,50 €
In stock
RRP
31,00 €
-15% Discount
Polini
Variator Sliders Polini 50cc scooters (3x)
Article no.: U242.029
11

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
1

CVT Variator Polini Speed Control Sym Jet 50

61,00 €
In stock
RRP
86,00 €
-29% Discount
Sale
Polini
CVT Variator Polini Speed Control Gilera Runner / Stalker
Article no.: U241.561
2

CVT Variator Polini Speed Control Gilera Runner / Stalker

73,00 €
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

99,00 €
In stock
RRP
135,00 €
-27% 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

73,00 €
In stock
RRP
86,00 €
-15% Discount
Polini
CVT Polini Speed Control Peugeot horizontal
Article no.: U241.632
3

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
1

Fan Wheel plastic RMS OEM quality Piaggio NRG / Typhoon

4,00 €
In stock
RMS
Crankshaft Nut Washer RMS Minarelli
Article no.: R121855060
2

Crankshaft Nut Washer RMS Minarelli

2,10 €
In stock
5,40 €
-61% Discount
Polini
Rotor/Variator Nut Polini M12
Article no.: P323.0010

Rotor/Variator Nut Polini M12

10,00 €
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
27

CVT Kit Polini Hi-Speed Minarelli long / Aerox

102,00 €
In stock
RRP
125,00 €
-18% Discount
Polini
CVT Variator Polini Hi-Speed Minarelli vertical
Article no.: U241.671
33

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
26

CVT Variator Polini Hi Speed Minarelli horizontal

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

CVT Boss Motoforce Racing with shims Yamaha Aerox

12,06 €
In stock
RRP
12,50 €
-4% Discount
Polini
Transmission / CVT Kit Polini Hi-Speed Peugeot horizontal
Article no.: U241.632.1
1

Transmission / CVT Kit Polini Hi-Speed Peugeot horizontal

112,00 €
In stock
RRP
132,00 €
-15% Discount
Polini
CVT Variator Polini Speed Control Honda Zoomer 50cc 4-stroke
Article no.: U241.626
1

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

56,00 €
In stock
RRP
80,00 €
-30% Discount
Sale
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

11,50 €
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

20,00 €
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 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
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

43,50 €
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
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

10,00 €
In stock
Piaggio
Drive Belt Piaggio short before '98
Article no.: OE-PIA431190

Drive Belt Piaggio short before '98

19,50 €
In stock
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
Drive Belt Peugeot/SYM 4-stroke
Article no.: OE-PEU801616

Drive Belt Peugeot/SYM 4-stroke

44,00 €
In stock
Sale
Peugeot
Bushing Kickstart 14x18x21,5mm Original Peugeot 2T / 4T
Article no.: OE-PEU779638

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

1,60 €
In stock
1,90 €
-16% 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

6,00 €
In stock
Sale
Yamaha
Front Pulley Minarelli 4-stroke
Article no.: OE-MIN5C3E76110000

Front Pulley Minarelli 4-stroke

18,00 €
In stock
Top Performances
CVT Kit Top Performances GP Trophy Minarelli
Article no.: T9931650

CVT Kit Top Performances GP Trophy Minarelli

64,00 €
In stock
RRP
91,00 €
-30% Discount
Sale
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
CVT Sport Sym Symphony / Peugeot Speedfight 3 / 4 4T
Article no.: CGN499106

CVT Sport Sym Symphony / Peugeot Speedfight 3 / 4 4T

26,00 €
In stock
Standard Parts
Drive Belt Bando Sym 50 Orbit 2
Article no.: CGN484336

Drive Belt Bando Sym 50 Orbit 2

28,50 €
In stock
29,50 €
-3% Discount
Previous page
Page
5
of
7
Next page
1234567

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!

Shopping cart

JavaScript ist in Ihrem Browser deaktiviert.
Bitte aktivieren Sie JavaScript um unseren Webshop nutzen zu können und laden diese Seite erneut.

Back to top
Categories
Products