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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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Stage6
Pulley / Drive Face Racing Stage6 CNC Piaggio
Article no.: S6-5114000

Pulley / Drive Face Racing Stage6 CNC Piaggio

39,50 €
In stock
RRP
43,00 €
-8% Discount
Stage6
Variator Weights (x3) Stage6
Article no.: 105400_A-S6GEWICHT

Variator Weights (x3) Stage6

2,00 €
In stock
6,70 €
-70% Discount
Sale
Stage6
CVT Variator Stage6 Sport Pro Peugeot
Article no.: S6-5817503
6

CVT Variator Stage6 Sport Pro Peugeot

86,50 €
In stock
RRP
96,00 €
-10% Discount
Stage6
CVT Variator Stage6 Sport Pro Minarelli
Article no.: S6-5816601
3

CVT Variator Stage6 Sport Pro Minarelli

86,50 €
In stock
RRP
96,00 €
-10% Discount
Stage6
CVT Kit with clutch Stage6 Sport Pro 112mm Minarelli / CPI / China 2-stroke
Article no.: MS-PKMS6VARCPI01

CVT Kit with clutch Stage6 Sport Pro 112mm Minarelli / CPI / China 2-stroke

129,89 €
In stock
146,50 €
-11% Set-Rabatt
Stage6
CVT / Clutch Stage6 Sport Pro Minarelli short / Jog
Article no.: S6-5816610

CVT / Clutch Stage6 Sport Pro Minarelli short / Jog

167,44 €
In stock
182,00 €
-8% Set-Rabatt
Stage6
Pulley / Drive Face Racing Stage6 CNC Peugeot
Article no.: S6-5117500
1

Pulley / Drive Face Racing Stage6 CNC Peugeot

43,00 €
In stock
RRP
47,00 €
-9% Discount
Stage6 R/T
Drive Belt Stage6 R/T Oversize Piaggio short
Article no.: S6-5914027

Drive Belt Stage6 R/T Oversize Piaggio short

59,00 €
In stock
RRP
65,00 €
-9% Discount
Stage6 R/T
CVT Variator Oversize Stage6 R/T Piaggio
Article no.: S6-5614039

CVT Variator Oversize Stage6 R/T Piaggio

129,00 €
In stock
RRP
143,00 €
-10% Discount
Stage6 R/T
CVT Drive Pulley / Fan Wheel Stage6 R/T Oversize Piaggio
Article no.: S6-5614027

CVT Drive Pulley / Fan Wheel Stage6 R/T Oversize Piaggio

65,00 €
In stock
RRP
72,00 €
-10% Discount
Stage6 R/T
CVT Kit Oversize Stage6 R/T Piaggio / Vespa long
Article no.: S6-5614003

CVT Kit Oversize Stage6 R/T Piaggio / Vespa long

399,00 €
In stock
RRP
443,00 €
-10% Discount
Stage6 R/T
CVT Oversize Stage6 R/T Piaggio / Gilera / Vespa short
Article no.: S6-5614005

CVT Oversize Stage6 R/T Piaggio / Gilera / Vespa short

315,00 €
In stock
RRP
443,00 €
-29% Discount
Sale
Stage6 R/T
CVT Kit Oversize Stage6 R/T Minarelli long / Aerox
Article no.: S6-5616601

CVT Kit Oversize Stage6 R/T Minarelli long / Aerox

399,00 €
In stock
RRP
443,00 €
-10% Discount
Stage6 R/T
Drive Belt Stage6 R/T Oversize Minarelli long (Aerox)
Article no.: S6-5916627

Drive Belt Stage6 R/T Oversize Minarelli long (Aerox)

55,00 €
In stock
RRP
61,00 €
-10% Discount
Stage6 R/T
Drive Belt Stage6 R/T Oversize Piaggio long
Article no.: S6-5914025

Drive Belt Stage6 R/T Oversize Piaggio long

55,00 €
In stock
RRP
61,00 €
-10% Discount
Stage6 R/T
CVT Variator Stage6 R/T Oversize Minarelli / Aerox
Article no.: S6-5616634
1

CVT Variator Stage6 R/T Oversize Minarelli / Aerox

129,00 €
In stock
RRP
143,00 €
-10% Discount
Stage6 R/T
CVT Fanwheel with star washer Stage6 R/T Minarelli
Article no.: S6-5616622

CVT Fanwheel with star washer Stage6 R/T Minarelli

59,00 €
In stock
RRP
65,00 €
-9% Discount
Stage6 R/T
Drive Kit CVT / Clutch Stage6 R/T Oversize XL Piaggio short
Article no.: S6-5614007

Drive Kit CVT / Clutch Stage6 R/T Oversize XL Piaggio short

690,30 €
In stock
767,00 €
-10% Set-Rabatt
Stage6 R/T
Drive Kit CVT / Clutch Stage6 R/T Oversize XL Piaggio long
Article no.: S6-5614006

Drive Kit CVT / Clutch Stage6 R/T Oversize XL Piaggio long

686,70 €
In stock
763,00 €
-10% Set-Rabatt
Stage6 R/T
CVT / Clutch Oversize Stage6 R/T Minarelli / China 2-stroke
Article no.: S6-5616603

CVT / Clutch Oversize Stage6 R/T Minarelli / China 2-stroke

677,70 €
In stock
753,00 €
-10% Set-Rabatt
MotoForce Racing
CVT Kit MotoForce Racing V.2 CPI / Keeway 13mm
Article no.: MF75.19011

CVT Kit MotoForce Racing V.2 CPI / Keeway 13mm

58,59 €
In stock
65,10 €
-10% Set-Rabatt
MotoForce Racing
CVT Kit Motoforce Racing Minarelli long / Aerox
Article no.: MF75.16610

CVT Kit Motoforce Racing Minarelli long / Aerox

52,29 €
In stock
RRP
55,50 €
-6% Discount
MotoForce Racing
CVT Pulley Motoforce Racing Minarelli CPI / Keeway 16mm
Article no.: MF78.19805

CVT Pulley Motoforce Racing Minarelli CPI / Keeway 16mm

23,50 €
In stock
RRP
25,00 €
-6% Discount
MotoForce Racing
CVT Pulley Motoforce Racing Peugeot
Article no.: MF78.17808
1

CVT Pulley Motoforce Racing Peugeot

20,50 €
In stock
RRP
24,00 €
-15% Discount
MotoForce Racing
Drive Belt MotoForce Racing 800x17,2x8,4mm CPI
Article no.: MF73.19527

Drive Belt MotoForce Racing 800x17,2x8,4mm CPI

22,00 €
In stock
MotoForce Racing
CVT + Clutch Motoforce Racing Minarelli long / Aerox
Article no.: MS-PKMMFVARMINA
1

CVT + Clutch Motoforce Racing Minarelli long / Aerox

68,85 €
In stock
RRP
83,00 €
-17% Discount
MotoForce Racing
CVT Pulley Motoforce Racing Minarelli 13mm
Article no.: MF78.16609
8

CVT Pulley Motoforce Racing Minarelli 13mm

25,00 €
In stock
MotoForce Racing
CVT Variator V.2 Motoforce Racing Piaggio
Article no.: MF75.14010
2

CVT Variator V.2 Motoforce Racing Piaggio

57,00 €
In stock
MotoForce Racing
CVT Variator V.2 Motoforce Racing Peugeot / Honda
Article no.: MF75.17503
2

CVT Variator V.2 Motoforce Racing Peugeot / Honda

41,00 €
In stock
RRP
41,50 €
-1% Discount
MotoForce Racing
CVT Variator V.2 Motoforce Racing Minarelli
Article no.: MF75.16604
6

CVT Variator V.2 Motoforce Racing Minarelli

36,00 €
In stock
RRP
41,50 €
-13% Discount
MotoForce Racing
Drive Belt MotoForce Racing Yamaha Aerox (long)
Article no.: MF73.16621

Drive Belt MotoForce Racing Yamaha Aerox (long)

15,00 €
In stock
RRP
16,50 €
-9% Discount
MotoForce Racing
Drive Belt MotoForce Racing Piaggio after 1998 long
Article no.: MF73.14023

Drive Belt MotoForce Racing Piaggio after 1998 long

19,00 €
In stock
RRP
21,50 €
-12% Discount
MotoForce Racing
CVT Kit + Clutch MotoForce Racing Minarelli
Article no.: MF75.16611

CVT Kit + Clutch MotoForce Racing Minarelli

144,55 €
In stock
147,50 €
-2% Set-Rabatt
MotoForce Racing
CVT Kit + Clutch MotoForce Racing CPI / Keeway (13mm)
Article no.: MF75.19012

CVT Kit + Clutch MotoForce Racing CPI / Keeway (13mm)

151,41 €
In stock
154,50 €
-2% Set-Rabatt
Polini
CVT Variator Polini Hi Speed Evo 2 Minarelli long / Aerox
Article no.: U241.752

CVT Variator Polini Hi Speed Evo 2 Minarelli long / Aerox

136,00 €
In stock
RRP
160,00 €
-15% Discount
Polini
CVT Variator Polini Hi Speed Evo 2 Piaggio
Article no.: U241.750

CVT Variator Polini Hi Speed Evo 2 Piaggio

136,00 €
In stock
RRP
160,00 €
-15% Discount
Malossi
Drive Belt Malossi X Special Belt Yamaha Aerox (long)
Article no.: M6118140
1

Drive Belt Malossi X Special Belt Yamaha Aerox (long)

24,00 €
In stock
RRP
25,00 €
-4% Discount
Yamaha
Washer variator pulley Yamaha 50cc
Article no.: OE-YAM90201-13X06

Washer variator pulley Yamaha 50cc

1,90 €
In stock
Malossi
CVT Variator Malossi Multivar MHR Minarelli
Article no.: M5113161
1

CVT Variator Malossi Multivar MHR Minarelli

112,00 €
In stock
RRP
136,00 €
-18% Discount
Malossi
Drive Belt Malossi X K Belt Yamaha Jog 4T
Article no.: M6117087

Drive Belt Malossi X K Belt Yamaha Jog 4T

30,00 €
In stock
RRP
37,00 €
-19% Discount
Sale
Standard Parts
Variator Weight Tuning Kit 16x13mm
Article no.: MF56.16000

Variator Weight Tuning Kit 16x13mm

36,50 €
In stock
Piaggio
Spacer Ring (behind variator) Piaggio 50cc 1998-
Article no.: OE-PIA479495

Spacer Ring (behind variator) Piaggio 50cc 1998-

6,40 €
In stock
Polini
CVT Variator Polini Hi Speed Evo 13mm Minarelli
Article no.: U241.731
2

CVT Variator Polini Hi Speed Evo 13mm Minarelli

94,00 €
In stock
RRP
111,00 €
-15% Discount
Malossi
Drive Belt Malossi X-Special Belt Piaggio after 1998 long
Article no.: M6116889

Drive Belt Malossi X-Special Belt Piaggio after 1998 long

52,00 €
In stock
Polini
Drive Belt Evo Overrange Piaggio after 1998 long
Article no.: U248.037.2

Drive Belt Evo Overrange Piaggio after 1998 long

66,00 €
In stock
RRP
78,00 €
-15% Discount
Naraku
Variator Weights (x6) Naraku
Article no.: NK91_WEIGHTSNARAKU
2

Variator Weights (x6) Naraku

3,30 €
In stock
Malossi
Drive Belt Malossi X K Belt Yamaha Aerox (long)
Article no.: M6117010

Drive Belt Malossi X K Belt Yamaha Aerox (long)

36,00 €
In stock
GY6
Static pulley GY6 type 139QMB / 139QMA, Kymco 4-stroke
Article no.: OE-GY6BT12018

Static pulley GY6 type 139QMB / 139QMA, Kymco 4-stroke

8,90 €
In stock
Peugeot
Variator ramp plate, Peugeot vertical
Article no.: OE-PEU730358

Variator ramp plate, Peugeot vertical

7,80 €
In stock
Peugeot
CVT Restrictor Ring 45 km/h Peugeot horizontal
Article no.: OE-PEU76147200

CVT Restrictor Ring 45 km/h Peugeot horizontal

8,80 €
In stock
GY6
Drive belt 788x18x30mm GY6 12 inch disc brake / 13 inch drum
Article no.: OE-GY6BT15437

Drive belt 788x18x30mm GY6 12 inch disc brake / 13 inch drum

12,50 €
In stock
Malossi
CVT Malossi MHR Multivar Yamaha Giggle 50cc 4-stroke
Article no.: M5113603

CVT Malossi MHR Multivar Yamaha Giggle 50cc 4-stroke

72,00 €
In stock
RRP
87,00 €
-17% Discount
Sale
Standard Parts
Restriction ring Minarelli, variator, 4mm (18x23x4mm)
Article no.: L-SA90593

Restriction ring Minarelli, variator, 4mm (18x23x4mm)

3,60 €
In stock
4,10 €
-12% Discount
RMS
Variator Weights RMS (x6)
Article no.: A_GALETSRMS
3

Variator Weights RMS (x6)

4,50 €
In stock
12,00 €
-63% Discount
Piaggio
Drive Belt original Piaggio after 1998 short
Article no.: OE-PIA82645R

Drive Belt original Piaggio after 1998 short

16,50 €
In stock
Piaggio
Drive Belt original Piaggio after 1998 long
Article no.: OE-PIA436864

Drive Belt original Piaggio after 1998 long

20,50 €
In stock
Malossi
Drive Belt Malossi X K Belt Overrange Yamaha Aerox (long)
Article no.: M6115822

Drive Belt Malossi X K Belt Overrange Yamaha Aerox (long)

61,00 €
In stock
Malossi
Drive Belt Malossi X K Belt Overrange Piaggio long
Article no.: M6115668

Drive Belt Malossi X K Belt Overrange Piaggio long

52,00 €
In stock
RRP
63,00 €
-17% Discount
Sale
Polini
Shells for variator tuning kit Polini
Article no.: U242_CAPUCHONS_POLINI

Shells for variator tuning kit Polini

10,50 €
In stock
Polini
Variator Weights Polini (x9)
Article no.: U242_GALETSUPERSPEED

Variator Weights Polini (x9)

5,70 €
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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