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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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MotoForce
Fan Wheel Pulley with star washer 13mm Minarelli
Article no.: MF78.16610

Fan Wheel Pulley with star washer 13mm Minarelli

8,50 €
In stock
RRP
8,70 €
-2% Discount
MotoForce
Variator Weights (x6) Motoforce
Article no.: MF55_MOTOFORCEROLLERWEIGHTS
233

Variator Weights (x6) Motoforce

from 2,00 €
In stock
MotoForce
CVT Restrictor Ring 2mm Piaggio / China 4T / Kymco / SYM
Article no.: MF60.14020/2

CVT Restrictor Ring 2mm Piaggio / China 4T / Kymco / SYM

2,20 €
In stock
RRP
2,50 €
-12% Discount
MotoForce
CVT Kit Motoforce Minarelli long / Aerox
Article no.: MF75.16609
3

CVT Kit Motoforce Minarelli long / Aerox

36,81 €
In stock
40,90 €
-10% Set-Rabatt
MotoForce
CVT Kit Motoforce with belt CPI / Keeway 13mm
Article no.: MF75.19008
1

CVT Kit Motoforce with belt CPI / Keeway 13mm

40,05 €
In stock
RRP
64,50 €
-38% Discount
MotoForce
CVT Kit Motoforce Minarelli short
Article no.: MF75.16608

CVT Kit Motoforce Minarelli short

39,06 €
In stock
43,40 €
-10% Set-Rabatt
MotoForce
CVT Variator Motoforce GY6 139QMB/QMA / Kymco 4T
Article no.: OE-GY6BT12012
1

CVT Variator Motoforce GY6 139QMB/QMA / Kymco 4T

21,00 €
In stock
RRP
28,00 €
-25% Discount
Sale
MotoForce
Variator Restriction Washer (20x25x6mm) Piaggio / GY6
Article no.: L-SA90600

Variator Restriction Washer (20x25x6mm) Piaggio / GY6

4,00 €
In stock
RRP
4,60 €
-13% Discount
MotoForce
Spacer Bushing behind CVT pulley 21x16x13.5mm Minarelli
Article no.: L-SA32746

Spacer Bushing behind CVT pulley 21x16x13.5mm Minarelli

4,60 €
In stock
RRP
4,70 €
-2% Discount
MotoForce
Drive Belt Motoforce CPI / Keeway / Generic
Article no.: MF71.19503

Drive Belt Motoforce CPI / Keeway / Generic

14,00 €
In stock
RRP
14,50 €
-3% Discount
MotoForce
Restriction ring Piaggio/GY6, variator, 8mm (20x25x8mm)
Article no.: L-SA90601

Restriction ring Piaggio/GY6, variator, 8mm (20x25x8mm)

3,90 €
In stock
RRP
5,00 €
-22% Discount
MotoForce
Restriction ring Piaggio/GY6, variator, 4mm (20x25x4mm)
Article no.: L-SA90598

Restriction ring Piaggio/GY6, variator, 4mm (20x25x4mm)

4,30 €
In stock
RRP
5,00 €
-14% Discount
MotoForce
Restriction ring Minarelli, variator, 5mm (18x23x5mm)
Article no.: L-SA90594

Restriction ring Minarelli, variator, 5mm (18x23x5mm)

5,10 €
In stock
RRP
6,00 €
-15% Discount
MotoForce
Restriction ring Minarelli, variator, 2mm (18x23x2mm)
Article no.: L-SA90592

Restriction ring Minarelli, variator, 2mm (18x23x2mm)

4,30 €
In stock
RRP
5,00 €
-14% Discount
MotoForce
CVT Boss 13x18x38mm
Article no.: L-SA5254

CVT Boss 13x18x38mm

5,00 €
In stock
MotoForce
CVT Variator Motoforce Piaggio / Vespa after 1998
Article no.: MF75.14008

CVT Variator Motoforce Piaggio / Vespa after 1998

42,00 €
In stock
RRP
42,50 €
-1% Discount
MotoForce
Variator Pulley / Fan Wheel Peugeot horizontal
Article no.: MF78.17806
5

Variator Pulley / Fan Wheel Peugeot horizontal

8,20 €
In stock
MotoForce
Star Washer for CVT pulley China 2-stroke / CPI / Keeway
Article no.: MF60.19855
2

Star Washer for CVT pulley China 2-stroke / CPI / Keeway

2,20 €
In stock
RRP
2,50 €
-12% Discount
MotoForce
Variator Pulley / Fan Wheel with star washer 16mm CPI
Article no.: MF78.19803
3

Variator Pulley / Fan Wheel with star washer 16mm CPI

6,20 €
In stock
RRP
6,60 €
-6% Discount
MotoForce
CVT Pulley / Fan Wheel w. star washer Peugeot vertical
Article no.: MF78.17505
8

CVT Pulley / Fan Wheel w. star washer Peugeot vertical

16,50 €
In stock
RRP
18,00 €
-8% Discount
MotoForce
CVT Sliders x3 Minarelli
Article no.: MF60.16613
8

CVT Sliders x3 Minarelli

2,70 €
In stock
RRP
2,90 €
-7% Discount
MotoForce
Variator Pulley / Fan Wheel 13mm Minarelli / CPI
Article no.: MF78.16607
40

Variator Pulley / Fan Wheel 13mm Minarelli / CPI

7,90 €
In stock
RRP
9,10 €
-13% Discount
MotoForce
CVT Variator Motoforce Peugeot / Honda
Article no.: MF75.17502
5

CVT Variator Motoforce Peugeot / Honda

26,00 €
In stock
MotoForce
CVT Variator Motoforce Minarelli / China 2T
Article no.: MF75.16603
2

CVT Variator Motoforce Minarelli / China 2T

15,50 €
In stock
RRP
16,00 €
-3% Discount
MotoForce
Star Washer for CVT pulley Minarelli / China 2-stroke
Article no.: MF60.16614
44

Star Washer for CVT pulley Minarelli / China 2-stroke

2,20 €
In stock
RRP
2,50 €
-12% Discount
MotoForce
Drive Belt Motoforce Peugeot
Article no.: MF71.17510
18

Drive Belt Motoforce Peugeot

13,50 €
In stock
RRP
14,50 €
-7% Discount
MotoForce
Drive Belt Motoforce Aerox 4T / China 2T / Minarelli short
Article no.: MF71.16612
1

Drive Belt Motoforce Aerox 4T / China 2T / Minarelli short

11,00 €
In stock
RRP
14,50 €
-24% Discount
Sale
MotoForce
Drive Belt Motoforce Minarelli long (Aerox)
Article no.: MF71.16611
33

Drive Belt Motoforce Minarelli long (Aerox)

8,50 €
In stock
RRP
9,20 €
-8% Discount
MotoForce
Drive Belt Motoforce Piaggio short after 1998
Article no.: MF71.14016
1

Drive Belt Motoforce Piaggio short after 1998

9,00 €
In stock
RRP
13,50 €
-33% Discount
Sale
MotoForce
Drive Belt Motoforce Piaggio short before 1998
Article no.: MF71.14015

Drive Belt Motoforce Piaggio short before 1998

11,00 €
In stock
RRP
14,50 €
-24% Discount
Sale
MotoForce
Drive Belt Motoforce Piaggio long before 1998
Article no.: MF71.14014
4

Drive Belt Motoforce Piaggio long before 1998

13,00 €
In stock
RRP
14,50 €
-10% Discount
MotoForce
Drive Belt Motoforce Piaggio long after 1998
Article no.: MF71.14013
2

Drive Belt Motoforce Piaggio long after 1998

14,00 €
In stock
RRP
14,50 €
-3% Discount
MotoForce
Drive Belt Motoforce 729mm GY6 12 inch
Article no.: MF71.13918

Drive Belt Motoforce 729mm GY6 12 inch

15,00 €
In stock
RRP
17,50 €
-14% Discount
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
Shells for variator tuning kit Stage6
Article no.: A_CAPUCHONSGALSTAGE6_S6-GS
16

Shells for variator tuning kit Stage6

from 2,50 €
In stock
RRP
13,50 €
-81% Discount
Stage6
Transmission / CVT Kit Stage6 Sport Pro Peugeot
Article no.: MS-PKMS6VARPEUG
4

Transmission / CVT Kit Stage6 Sport Pro Peugeot

162,45 €
In stock
180,50 €
-10% Set-Rabatt
Stage6
CVT Kit Stage6 Sport Pro Minarelli long / Aerox
Article no.: MS-PKMS6VARMINA
10

CVT Kit Stage6 Sport Pro Minarelli long / Aerox

167,44 €
In stock
182,00 €
-8% Set-Rabatt
Stage6
Variator Weight Tuning Kit Stage6
Article no.: BOITEGALETSS6
196

Variator Weight Tuning Kit Stage6

from 22,00 €
In stock
25,00 €
-12% Discount
Stage6
CVT Variator Stage6 Sport Pro 13mm / 16mm CPI / Keeway
Article no.: S6-5819506
11

CVT Variator Stage6 Sport Pro 13mm / 16mm CPI / Keeway

86,50 €
In stock
RRP
96,00 €
-10% Discount
Stage6
CVT Kit with clutch Stage6 Sport Pro Piaggio Zip / Vespa before 2000
Article no.: S6-5814017

CVT Kit with clutch Stage6 Sport Pro Piaggio Zip / Vespa before 2000

172,50 €
In stock
187,50 €
-8% Set-Rabatt
Stage6
CVT Kit with clutch Stage6 Sport Pro Piaggio Zip / Vespa after 2000
Article no.: S6-5814016

CVT Kit with clutch Stage6 Sport Pro Piaggio Zip / Vespa after 2000

166,98 €
In stock
181,50 €
-8% Set-Rabatt
Stage6
CVT Kit with clutch Stage6 Sport Pro Piaggio NRG / Typhoon after 1998
Article no.: S6-5814014

CVT Kit with clutch Stage6 Sport Pro Piaggio NRG / Typhoon after 1998

172,50 €
In stock
187,50 €
-8% Set-Rabatt
Stage6
Drive Belt Stage6 Pro Belt Piaggio before 1998 short
Article no.: S6-5914004
1

Drive Belt Stage6 Pro Belt Piaggio before 1998 short

27,00 €
In stock
RRP
30,00 €
-10% Discount
Stage6
Drive Belt Stage6 Pro Belt Piaggio after 1998 short
Article no.: S6-5914002
4

Drive Belt Stage6 Pro Belt Piaggio after 1998 short

21,00 €
In stock
RRP
30,00 €
-30% Discount
Sale
Stage6
Drive Belt Stage6 Pro Belt Piaggio after 1998 long
Article no.: S6-5914001
10

Drive Belt Stage6 Pro Belt Piaggio after 1998 long

27,00 €
In stock
RRP
30,00 €
-10% Discount
Stage6
Drive Belt Stage6 Pro Belt Peugeot scooters
Article no.: S6-5917509
14

Drive Belt Stage6 Pro Belt Peugeot scooters

20,00 €
In stock
RRP
30,00 €
-33% Discount
Sale
Stage6
Drive Belt Stage6 Pro Belt Aerox / Minarelli long
Article no.: S6-5916605
47

Drive Belt Stage6 Pro Belt Aerox / Minarelli long

21,50 €
In stock
RRP
30,00 €
-28% Discount
Sale
Stage6
CVT Variator Stage6 Sport Pro Piaggio 4-stroke
Article no.: S6-5814004

CVT Variator Stage6 Sport Pro Piaggio 4-stroke

69,00 €
In stock
RRP
96,00 €
-28% Discount
Sale
Stage6
CVT Variator Stage6 Sport Pro MK2 Piaggio
Article no.: S6-5814003

CVT Variator Stage6 Sport Pro MK2 Piaggio

86,50 €
In stock
RRP
96,00 €
-10% Discount
Stage6
Drive Belt Stage6 Pro Belt 669mm Scooter GY6 4 stroke 10"
Article no.: S6-5919401

Drive Belt Stage6 Pro Belt 669mm Scooter GY6 4 stroke 10"

27,00 €
In stock
RRP
30,00 €
-10% Discount
Stage6
Variator Roller Weights (x6)
Article no.: S6-G6-SIZE
1

Variator Roller Weights (x6)

from 9,00 €
In stock
Stage6
Pulley / Drive Face Racing Stage6 CNC Minarelli
Article no.: S6-5116600
18

Pulley / Drive Face Racing Stage6 CNC Minarelli

31,00 €
In stock
RRP
43,00 €
-28% Discount
Sale
Stage6
Pulley / Drive Face Racing Stage6 CNC Piaggio
Article no.: S6-5114000
2

Pulley / Drive Face Racing Stage6 CNC Piaggio

31,00 €
In stock
RRP
43,00 €
-28% Discount
Sale
Stage6
Variator Weights (x3) Stage6
Article no.: 105400_A-S6GEWICHT
18

Variator Weights (x3) Stage6

from 2,10 €
In stock
6,70 €
-69% Discount
Sale
Stage6
CVT Variator Stage6 Sport Pro Peugeot
Article no.: S6-5817503
47

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
109

CVT Variator Stage6 Sport Pro Minarelli

86,50 €
In stock
RRP
96,00 €
-10% Discount
Stage6
Pulley / Drive Face Racing Stage6 CNC Peugeot
Article no.: S6-5117500
16

Pulley / Drive Face Racing Stage6 CNC Peugeot

34,00 €
In stock
RRP
47,00 €
-28% Discount
Sale
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

45,00 €
In stock
RRP
72,00 €
-38% Discount
Sale
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
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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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