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CVT and Drive Belts

(287 products)
Maxi Scooter Variators CVT Kits CVT Weights Drive Belts Pulleys CVT Accessories
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Product type
Clutch accessories CVT CVT accessories CVT cover CVT kit CVT sliders CVT weights Pulley Ramp plate Repair / maintenance kit Spring V-belt Washer Kickstart washer O-ring
Brand
Athena Bando Dayco Doppler GY6 Kubler Malossi MotoForce MotoForce Racing Naraku Piaggio Polini RMS Stage6 Standard Parts Top Performances Yamaha Yasuni
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Standard Parts
Variator Weight Tuning Kit 19x15mm x6
Article no.: MF56.19000

Variator Weight Tuning Kit 19x15mm x6

33,50 €
Currently not in stock
Polini
CVT Variator Polini Hi-Speed Yamaha Xmax 300cc
Article no.: U241.741

CVT Variator Polini Hi-Speed Yamaha Xmax 300cc

208,00 €
Currently not in stock
RRP
245,00 €
-15% Discount
Piaggio
Drive Belt Guide Piaggio / Vespa 125 - 300cc
Article no.: OE-PIA833989

Drive Belt Guide Piaggio / Vespa 125 - 300cc

55,00 €
Currently not in stock
Standard Parts
CVT Variator + Fan Wheel / Pulley Piaggio 125-150cc (Leader)
Article no.: IP32438

CVT Variator + Fan Wheel / Pulley Piaggio 125-150cc (Leader)

79,00 €
Currently not in stock
Standard Parts
CVT Variator + Fan Wheel / Pulley GY6 125/150cc 152/157QMI/J
Article no.: GY14207

CVT Variator + Fan Wheel / Pulley GY6 125/150cc 152/157QMI/J

21,50 €
Currently not in stock
Standard Parts
CVT Kymco KXR / MXU / Maxxer 250/300 / Dink (B&W) 250
Article no.: IP35529

CVT Kymco KXR / MXU / Maxxer 250/300 / Dink (B&W) 250

68,50 €
Currently not in stock
Standard Parts
Half Pulley / Fan Wheel Piaggio 125-150cc (Leader)
Article no.: IP32439

Half Pulley / Fan Wheel Piaggio 125-150cc (Leader)

38,50 €
Currently not in stock
Standard Parts
Half Pulley Kymco Dink / Grand Dink / Yager 125 / 150
Article no.: IP32444

Half Pulley Kymco Dink / Grand Dink / Yager 125 / 150

12,50 €
Currently not in stock
Standard Parts
Drive Belt 835mm / 835-20-30 GY6 125 / 150cc
Article no.: GY15438

Drive Belt 835mm / 835-20-30 GY6 125 / 150cc

15,00 €
Currently not in stock
Naraku
Variator Sliders (x3) Naraku Maxi Speed GY6 125 / Kymco AC
Article no.: NK901.03

Variator Sliders (x3) Naraku Maxi Speed GY6 125 / Kymco AC

5,00 €
Currently not in stock
Polini
CVT Polini Maxi Hi-Speed Evolution Piaggio Medley 125 / 150cc
Article no.: U241.733

CVT Polini Maxi Hi-Speed Evolution Piaggio Medley 125 / 150cc

143,00 €
Currently not in stock
RRP
169,00 €
-15% Discount
GY6
Drive Belt 743x20x30mm GY6 125/150cc (152QMI)
Article no.: OE-QMI13978

Drive Belt 743x20x30mm GY6 125/150cc (152QMI)

11,50 €
Currently not in stock
Naraku
Drive belt Naraku Standard, type 835 - GY6 125
Article no.: NK900.86

Drive belt Naraku Standard, type 835 - GY6 125

15,50 €
Currently not in stock
Polini
Drive Belt Polini Evo Piaggio before 1998 short
Article no.: U248.031

Drive Belt Polini Evo Piaggio before 1998 short

35,50 €
Currently not in stock
RRP
41,00 €
-13% Discount
RMS
Front Pulley Piaggio Maxi / Gilera Runner 125-180
Article no.: R25902

Front Pulley Piaggio Maxi / Gilera Runner 125-180

51,00 €
Currently not in stock
Naraku
CVT Variator Naraku Maxi Speed, GY6 125-180cc
Article no.: NK900.23

CVT Variator Naraku Maxi Speed, GY6 125-180cc

108,00 €
Currently not in stock
Naraku
Drive belt Naraku GY6 125 /150cc 152QMI, 743x20x30mm
Article no.: NK900.73

Drive belt Naraku GY6 125 /150cc 152QMI, 743x20x30mm

20,50 €
Currently not in stock
Naraku
Drive belt Naraku GY6 125 / 150cc 152QMI, 835x20x30mm
Article no.: NK900.72

Drive belt Naraku GY6 125 / 150cc 152QMI, 835x20x30mm

20,00 €
Currently not in stock
Naraku
Drive belt Naraku Adly/HerChee, 17x878mm
Article no.: NK901.00

Drive belt Naraku Adly/HerChee, 17x878mm

24,00 €
Currently not in stock
Malossi
Drive Belt Malossi X K Belt Honda SH / Pantheon 125 - 150cc
Article no.: M6116422

Drive Belt Malossi X K Belt Honda SH / Pantheon 125 - 150cc

66,50 €
Currently not in stock
RRP
68,00 €
-2% Discount
Malossi
Drive Belt Malossi X K Belt Yamaha Majesty 125 - 180
Article no.: M6116101

Drive Belt Malossi X K Belt Yamaha Majesty 125 - 180

66,00 €
Currently not in stock
RRP
68,00 €
-3% Discount
Piaggio
Pulley Vespa LX / S 125 - 150cc Piaggio
Article no.: OE-PIA876921

Pulley Vespa LX / S 125 - 150cc Piaggio

20,00 €
Currently not in stock
Piaggio
Pulley Vespa GTS / GTV 250 - 300cc Piaggio
Article no.: OE-PIA840193

Pulley Vespa GTS / GTV 250 - 300cc Piaggio

24,00 €
Currently not in stock
Piaggio
Drive Belt Vespa ET4 125 - 150cc Piaggio
Article no.: OE-PIA478547

Drive Belt Vespa ET4 125 - 150cc Piaggio

17,50 €
Currently not in stock
Malossi
Drive Belt Malossi X K Belt Piaggio MP3 / X-Evo 125cc
Article no.: M6116117
1

Drive Belt Malossi X K Belt Piaggio MP3 / X-Evo 125cc

45,00 €
Currently not in stock
Malossi
Drive Belt Malossi X K Belt BMW C 600 - 650cc
Article no.: M6115687

Drive Belt Malossi X K Belt BMW C 600 - 650cc

142,00 €
Currently not in stock
RRP
147,00 €
-3% Discount
Malossi
CVT Variator Malossi MHR Multivar BMW C 600 - 650cc
Article no.: M5115501

CVT Variator Malossi MHR Multivar BMW C 600 - 650cc

268,00 €
Currently not in stock
RRP
292,00 €
-8% Discount
Malossi
CVT Variator Malossi Multivar 2000 Honda PCX 125cc ie
Article no.: M5115552

CVT Variator Malossi Multivar 2000 Honda PCX 125cc ie

123,00 €
Currently not in stock
RRP
140,00 €
-12% Discount
Malossi
CVT Malossi Multivar 2000 Piaggio MP3 / X-Evo 400cc ie
Article no.: M5114260
2

CVT Malossi Multivar 2000 Piaggio MP3 / X-Evo 400cc ie

190,00 €
Currently not in stock
RRP
213,00 €
-11% Discount
Polini
CVT Polini Maxi Hi-Speed Piaggio MP3 / Vespa LX 125cc
Article no.: U241.713
1

CVT Polini Maxi Hi-Speed Piaggio MP3 / Vespa LX 125cc

129,00 €
Currently not in stock
RRP
152,00 €
-15% Discount
Polini
Drive Belt Evo Gilera Runner 125 - 180 2-stroke
Article no.: U248.082
1

Drive Belt Evo Gilera Runner 125 - 180 2-stroke

45,50 €
Currently not in stock
RRP
54,00 €
-16% Discount
Polini
Drive Belt Evolution Aramid Piaggio Vespa LX / MP3 125cc
Article no.: U248.081
1

Drive Belt Evolution Aramid Piaggio Vespa LX / MP3 125cc

52,50 €
Currently not in stock
RRP
62,00 €
-15% Discount
Polini
CVT Polini Maxi Hi-Speed Evolution Yamaha Tmax 500cc
Article no.: U241.696

CVT Polini Maxi Hi-Speed Evolution Yamaha Tmax 500cc

290,00 €
Currently not in stock
RRP
342,00 €
-15% Discount
Polini
V-belt Polini Honda PCX 125/150 Euro 5
Article no.: P248.138

V-belt Polini Honda PCX 125/150 Euro 5

39,50 €
Currently not in stock
RRP
46,00 €
-14% Discount
Polini
CVT Polini Maxi Hi-Speed Vespa GTS 125 - 150
Article no.: P241.771

CVT Polini Maxi Hi-Speed Vespa GTS 125 - 150

125,00 €
Currently not in stock
RRP
146,00 €
-14% Discount
Bando
V-belt Yamaha Xmax 125cc 2006 - 2020 (905x21,9x9x5mm - 28°)
Article no.: L-SP150184

V-belt Yamaha Xmax 125cc 2006 - 2020 (905x21,9x9x5mm - 28°)

44,50 €
Currently not in stock
Malossi
CVT Malossi Multivar 2000 Vespa GTS 125 Euro 5
Article no.: M5119760

CVT Malossi Multivar 2000 Vespa GTS 125 Euro 5

135,00 €
Currently not in stock
RRP
140,00 €
-4% Discount
Malossi
CVT Malossi Multivar 2000 Peugeot Tweet 125 Euro 5
Article no.: M5118659

CVT Malossi Multivar 2000 Peugeot Tweet 125 Euro 5

131,00 €
Currently not in stock
RRP
139,00 €
-6% Discount
Malossi
CVT Malossi Multivar 2000 Honda Forza 125 Euro 5
Article no.: M5118776

CVT Malossi Multivar 2000 Honda Forza 125 Euro 5

144,00 €
Currently not in stock
RRP
148,00 €
-3% Discount
Malossi
CVT Malossi Multivar 2000 BMW C 400 Euro 4 / 5
Article no.: M5118750

CVT Malossi Multivar 2000 BMW C 400 Euro 4 / 5

191,00 €
Currently not in stock
RRP
213,00 €
-10% Discount
Malossi
Drive Belt Malossi X K Belt Yamaha Xmax 300 Euro 4 / 5
Article no.: M6117832

Drive Belt Malossi X K Belt Yamaha Xmax 300 Euro 4 / 5

106,00 €
Currently not in stock
RRP
119,00 €
-11% Discount
Malossi
Drive Belt Malossi X K Belt Piaggio MP3 400 Euro 5
Article no.: M6115279

Drive Belt Malossi X K Belt Piaggio MP3 400 Euro 5

104,00 €
Currently not in stock
RRP
117,00 €
-11% Discount
Malossi
Drive Belt Malossi X K Belt Piaggio Hexagon 250
Article no.: M619584

Drive Belt Malossi X K Belt Piaggio Hexagon 250

61,00 €
Currently not in stock
RRP
63,00 €
-3% Discount
Malossi
Overrange Kit Malossi Kymco AK 550 Euro 4 / 5
Article no.: M6118612

Overrange Kit Malossi Kymco AK 550 Euro 4 / 5

534,00 €
Currently not in stock
RRP
611,00 €
-13% Discount
Malossi
CVT Malossi Multivar Yamaha Tricity 125
Article no.: M5117099

CVT Malossi Multivar Yamaha Tricity 125

146,00 €
Currently not in stock
RRP
164,00 €
-11% Discount
Malossi
Drive Belt Malossi X K Belt Yamaha Xmax 125
Article no.: M6113059

Drive Belt Malossi X K Belt Yamaha Xmax 125

78,50 €
Currently not in stock
Polini
Drive Belt Evo Piaggio Zip / Vespa ET2 after 2000 short
Article no.: U248.044

Drive Belt Evo Piaggio Zip / Vespa ET2 after 2000 short

39,00 €
Currently not in stock
RRP
46,00 €
-15% Discount
Polini
Drive Belt Evo Yamaha Aerox 100cc
Article no.: U248.041
1

Drive Belt Evo Yamaha Aerox 100cc

35,00 €
Currently not in stock
RRP
41,00 €
-15% Discount
Athena
V-Belt Athena Maxi Platinum Peugeot Speedfight / TKR 100cc
Article no.: AT-S41PLAT015

V-Belt Athena Maxi Platinum Peugeot Speedfight / TKR 100cc

27,50 €
Currently not in stock
Malossi
CVT Malossi Multivar 2000 Gilera Runner VXR / Vespa GTS 250cc
Article no.: M5111885

CVT Malossi Multivar 2000 Gilera Runner VXR / Vespa GTS 250cc

134,00 €
Currently not in stock
RRP
148,00 €
-9% Discount
Polini
CVT Maxi Hi-Speed Polini Yamaha Xmax 125 Euro 5
Article no.: P241.761

CVT Maxi Hi-Speed Polini Yamaha Xmax 125 Euro 5

126,00 €
Currently not in stock
RRP
149,00 €
-15% Discount
Polini
CVT Variator Maxi Hi-Speed Polini Honda Vision 110 (NSC110)
Article no.: P241.702

CVT Variator Maxi Hi-Speed Polini Honda Vision 110 (NSC110)

83,00 €
Currently not in stock
RRP
98,00 €
-15% Discount
Polini
CVT Variator Polini Maxi Hi-Speed Kymco Downtown 125i
Article no.: P241.721

CVT Variator Polini Maxi Hi-Speed Kymco Downtown 125i

137,00 €
Currently not in stock
RRP
162,00 €
-15% Discount
Polini
CVT Polini Maxi Hi-Speed Kymco Agility 125 / GY6 125
Article no.: P241.690

CVT Polini Maxi Hi-Speed Kymco Agility 125 / GY6 125

128,00 €
Currently not in stock
RRP
151,00 €
-15% Discount
Polini
CVT Polini Maxi Hi-Speed Honda SH 125i / 150i ABS Euro 5
Article no.: P241.755

CVT Polini Maxi Hi-Speed Honda SH 125i / 150i ABS Euro 5

129,00 €
Currently not in stock
RRP
152,00 €
-15% Discount
Polini
CVT Polini Maxi Hi-Speed Honda SH / Forza 350 Euro 5
Article no.: P241.758

CVT Polini Maxi Hi-Speed Honda SH / Forza 350 Euro 5

194,00 €
Currently not in stock
RRP
229,00 €
-15% Discount
Polini
CVT Variator Polini Maxi Hi-Speed Honda PCX 125 / 150
Article no.: P241.697

CVT Variator Polini Maxi Hi-Speed Honda PCX 125 / 150

136,00 €
Currently not in stock
RRP
160,00 €
-15% Discount
Polini
Drive Belt Evolution Aramid Yamaha T-Max 500cc
Article no.: P248.103

Drive Belt Evolution Aramid Yamaha T-Max 500cc

135,00 €
Currently not in stock
RRP
159,00 €
-15% Discount
Polini
Drive Belt Polini Original Yamaha Cygnus / MBK Flame 125
Article no.: P248.118

Drive Belt Polini Original Yamaha Cygnus / MBK Flame 125

30,00 €
Currently not in stock
RRP
35,00 €
-14% Discount
Polini
V-Belt Evolution Yamaha N-Max / Tricity 125-155cc Euro 3/4
Article no.: P248.107

V-Belt Evolution Yamaha N-Max / Tricity 125-155cc Euro 3/4

62,00 €
Currently not in stock
RRP
73,00 €
-15% 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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