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CVT and Drive Belts

(420 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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MotoForce
Drive Belt Motoforce 669mm GY6 10 inch
Article no.: MF71.13917
1

Drive Belt Motoforce 669mm GY6 10 inch

15,00 €
In stock
RRP
16,00 €
-6% Discount
Stage6 R/T
Drive Belt Stage6 R/T Oversize Piaggio short
Article no.: S6-5914027
1

Drive Belt Stage6 R/T Oversize Piaggio short

59,00 €
In stock
RRP
65,00 €
-9% Discount
Stage6 R/T
CVT Drive Pulley / Fan Wheel Stage6 R/T Oversize Piaggio
Article no.: S6-5614027
2

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 Minarelli long / Aerox
Article no.: S6-5616601
11

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
31

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
3

Drive Belt Stage6 R/T Oversize Piaggio long

55,00 €
In stock
RRP
61,00 €
-10% Discount
Stage6 R/T
CVT Fanwheel with star washer Stage6 R/T Minarelli
Article no.: S6-5616622
6

CVT Fanwheel with star washer Stage6 R/T Minarelli

53,00 €
In stock
RRP
65,00 €
-18% Discount
Sale
MotoForce Racing
CVT Kit MotoForce Racing V.2 Piaggio long after 1998
Article no.: MF75.14015
4

CVT Kit MotoForce Racing V.2 Piaggio long after 1998

87,30 €
In stock
97,00 €
-10% Set-Rabatt
MotoForce Racing
CVT Kit MotoForce Racing V.2 Peugeot vertical
Article no.: MF75.17510
3

CVT Kit MotoForce Racing V.2 Peugeot vertical

66,60 €
In stock
RRP
69,50 €
-4% Discount
MotoForce Racing
CVT Kit MotoForce Racing V.2 CPI / Keeway 13mm
Article no.: MF75.19011

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

61,29 €
In stock
68,10 €
-10% Set-Rabatt
MotoForce Racing
CVT Kit Motoforce Racing Minarelli long / Aerox
Article no.: MF75.16610
19

CVT Kit Motoforce Racing Minarelli long / Aerox

54,99 €
In stock
RRP
55,50 €
-1% Discount
MotoForce Racing
CVT Variator V.2 Motoforce Racing GY6 / Kymco 139QMB
Article no.: MF75.13901

CVT Variator V.2 Motoforce Racing GY6 / Kymco 139QMB

46,00 €
In stock
MotoForce Racing
CVT Pulley Motoforce Racing Minarelli CPI / Keeway 16mm
Article no.: MF78.19805

CVT Pulley Motoforce Racing Minarelli CPI / Keeway 16mm

21,00 €
In stock
RRP
25,00 €
-16% Discount
Sale
MotoForce Racing
CVT Pulley Motoforce Racing Peugeot
Article no.: MF78.17808
3

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
1

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

22,00 €
In stock
MotoForce Racing
CVT Pulley Motoforce Racing Minarelli 13mm
Article no.: MF78.16609
14

CVT Pulley Motoforce Racing Minarelli 13mm

25,00 €
In stock
MotoForce Racing
CVT Variator V.2 Motoforce Racing Piaggio
Article no.: MF75.14010
5

CVT Variator V.2 Motoforce Racing Piaggio

51,00 €
In stock
RRP
51,50 €
-1% Discount
Sale
MotoForce Racing
CVT Variator V.2 Motoforce Racing China 2T 16mm
Article no.: MF75.19005
5

CVT Variator V.2 Motoforce Racing China 2T 16mm

36,00 €
In stock
MotoForce Racing
CVT Variator V.2 Motoforce Racing Peugeot / Honda
Article no.: MF75.17503
9

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
21

CVT Variator V.2 Motoforce Racing Minarelli

33,00 €
In stock
RRP
41,50 €
-20% Discount
Sale
MotoForce Racing
Drive Belt MotoForce Racing Peugeot
Article no.: MF73.17520
12

Drive Belt MotoForce Racing Peugeot

19,00 €
In stock
RRP
21,50 €
-12% Discount
MotoForce Racing
Drive Belt MotoForce Racing Yamaha Aerox (long)
Article no.: MF73.16621
56

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
17

Drive Belt MotoForce Racing Piaggio after 1998 long

19,00 €
In stock
RRP
21,50 €
-12% Discount
MotoForce Racing
CVT Kit MotoForce Racing Peugeot horizontal
Article no.: MF75.17511

CVT Kit MotoForce Racing Peugeot horizontal

62,92 €
In stock
64,20 €
-2% Set-Rabatt
MotoForce Racing
CVT Kit MotoForce Racing GY6 139QMB
Article no.: MF75.13910

CVT Kit MotoForce Racing GY6 139QMB

131,40 €
In stock
146,00 €
-10% Set-Rabatt
Malossi
Drive Belt Malossi X Special Belt Yamaha Aerox (long)
Article no.: M6118140

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

2,00 €
In stock
Standard Parts
CVT Boss 15x19,8x49,2mm Piaggio / Vespa 4-stroke
Article no.: MF60.14013

CVT Boss 15x19,8x49,2mm Piaggio / Vespa 4-stroke

6,20 €
In stock
Standard Parts
CVT Boss 15x19,8x38mm Piaggio
Article no.: MF60.14012

CVT Boss 15x19,8x38mm Piaggio

6,10 €
In stock
Polini
CVT Variator Polini Hi Speed Yamaha Aerox 50cc 4-stroke
Article no.: U241.746

CVT Variator Polini Hi Speed Yamaha Aerox 50cc 4-stroke

74,00 €
In stock
RRP
88,00 €
-16% Discount
Malossi
CVT Variator Malossi Multivar MHR Minarelli
Article no.: M5113161
3

CVT Variator Malossi Multivar MHR Minarelli

114,00 €
In stock
RRP
128,00 €
-11% Discount
Malossi
Drive Belt Malossi X K Belt Yamaha Jog 4T
Article no.: M6117087

Drive Belt Malossi X K Belt Yamaha Jog 4T

32,00 €
In stock
RRP
37,00 €
-14% Discount
Sale
Standard Parts
Variator Weight Tuning Kit 16x13mm
Article no.: MF56.16000

Variator Weight Tuning Kit 16x13mm

36,50 €
In stock
Polini
CVT Variator Polini Hi Speed Evo 13mm Minarelli
Article no.: U241.731

CVT Variator Polini Hi Speed Evo 13mm Minarelli

85,00 €
In stock
RRP
111,00 €
-23% Discount
Sale
Standard Parts
Drive Belt Piaggio Fly 4-stroke / Derbi Atlantis 4-stroke
Article no.: F923KV

Drive Belt Piaggio Fly 4-stroke / Derbi Atlantis 4-stroke

18,00 €
In stock
Sale
Malossi
Drive Belt Malossi X-Special Belt Piaggio after 1998 long
Article no.: M6116889

Drive Belt Malossi X-Special Belt Piaggio after 1998 long

46,00 €
In stock
Sale
Polini
Drive Belt Evo Overrange Piaggio after 1998 long
Article no.: U248.037.2

Drive Belt Evo Overrange Piaggio after 1998 long

62,00 €
In stock
RRP
78,00 €
-21% Discount
Sale
Naraku
Variator Weights (x6) Naraku
Article no.: NK91_WEIGHTSNARAKU
5

Variator Weights (x6) Naraku

from 3,30 €
In stock
Malossi
Drive Belt Malossi X K Belt Yamaha Aerox (long)
Article no.: M6117010
1

Drive Belt Malossi X K Belt Yamaha Aerox (long)

32,00 €
In stock
Sale
Malossi
Drive Belt Malossi X Special Belt Honda SH 50 2-stroke
Article no.: M617233

Drive Belt Malossi X Special Belt Honda SH 50 2-stroke

26,00 €
In stock
RRP
28,00 €
-7% Discount
Malossi
V-Belt Malossi X-Special Belt Suzuki Katana / Aprilia Scarabeo
Article no.: M6116844

V-Belt Malossi X-Special Belt Suzuki Katana / Aprilia Scarabeo

31,00 €
In stock
RRP
32,00 €
-3% Discount
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
Polini
Transmission / CVT Kit Polini Hi-Speed Minarelli short
Article no.: U241.670.2

Transmission / CVT Kit Polini Hi-Speed Minarelli short

106,00 €
In stock
RRP
125,00 €
-15% Discount
Top Performances
CVT Kit Top Performances TPR GP Piaggio short new
Article no.: T9931260

CVT Kit Top Performances TPR GP Piaggio short new

73,00 €
In stock
RRP
88,00 €
-17% Discount
Sale
Peugeot
Variator ramp plate, Peugeot vertical
Article no.: OE-PEU730358
1

Variator ramp plate, Peugeot vertical

7,80 €
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

10,00 €
In stock
12,50 €
-20% Discount
Sale
Naraku
Washers NARAKU Speed-up kit GY6 / Kymco 4T 50
Article no.: NK800.07
1

Washers NARAKU Speed-up kit GY6 / Kymco 4T 50

3,80 €
In stock
Naraku
CVT Pulley Naraku High Speed CNC GY6 139QMA / 139QMB
Article no.: NK900.59

CVT Pulley Naraku High Speed CNC GY6 139QMA / 139QMB

39,00 €
In stock
Malossi
CVT Malossi MHR Multivar Yamaha Giggle 50cc 4-stroke
Article no.: M5113603

CVT Malossi MHR Multivar Yamaha Giggle 50cc 4-stroke

67,00 €
In stock
RRP
87,00 €
-23% Discount
Sale
Malossi
CVT Variator Malossi MHR Baotian Eco Bike 50cc 4-stroke
Article no.: M5113139

CVT Variator Malossi MHR Baotian Eco Bike 50cc 4-stroke

68,00 €
In stock
RRP
87,00 €
-22% Discount
Sale
Standard Parts
Restriction ring Minarelli, variator, 4mm (18x23x4mm)
Article no.: L-SA90593

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

3,60 €
In stock
RMS
Variator Weights RMS (x6)
Article no.: A_GALETSRMS
7

Variator Weights RMS (x6)

from 4,50 €
In stock
12,00 €
-63% Discount
Yamaha
Variator Slider (X1) Yamaha Aerox
Article no.: OE-MAL4B0-E7653-00

Variator Slider (X1) Yamaha Aerox

4,30 €
In stock
Piaggio
Front Pulley Piaggio NRG / Typhoon after 1998
Article no.: OE-PIA479561

Front Pulley Piaggio NRG / Typhoon after 1998

22,50 €
In stock
Piaggio
Drive Belt original Piaggio after 1998 long
Article no.: OE-PIA436864
2

Drive Belt original Piaggio after 1998 long

20,50 €
In stock
Yamaha
Drive Belt original Yamaha Aerox
Article no.: OE-MAL5RNE76411000

Drive Belt original Yamaha Aerox

28,50 €
In stock
Top Performances
Transmission / CVT Kit Top Performances TPR Piaggio long
Article no.: T9931300
1

Transmission / CVT Kit Top Performances TPR Piaggio long

92,50 €
In stock
RRP
100,00 €
-8% Discount
Malossi
Drive Belt Malossi X K Belt Overrange Yamaha Aerox (long)
Article no.: M6115822
3

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

55,00 €
In stock
Sale
Malossi
Drive Belt Malossi X K Belt Overrange Piaggio long
Article no.: M6115668
1

Drive Belt Malossi X K Belt Overrange Piaggio long

54,00 €
In stock
RRP
63,00 €
-14% Discount
Sale
Malossi
CVT Kit Overrange Malossi MHR La Furia Rossa Piaggio short
Article no.: M6115780

CVT Kit Overrange Malossi MHR La Furia Rossa Piaggio short

449,00 €
In stock
RRP
537,00 €
-16% 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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