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CVT and Drive Belts

(302 products)
Maxi Scooter Variators CVT Kits CVT Weights Drive Belts Pulleys CVT Accessories
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Clutch accessories CVT CVT accessories CVT cover CVT kit CVT sliders CVT weights Pulley Ramp plate Spring V-belt Washer Kickstart washer O-ring
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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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Malossi
Drive Belt Malossi X K Belt Yamaha Xmax 400
Article no.: M6115280

Drive Belt Malossi X K Belt Yamaha Xmax 400

116,00 €
In stock
RRP
130,00 €
-11% Discount
Malossi
Drive Belt Malossi X K Belt Gilera GP 800
Article no.: M6115126

Drive Belt Malossi X K Belt Gilera GP 800

161,00 €
In stock
RRP
165,00 €
-2% Discount
Malossi
V-belt Malossi external Yamaha Tmax 530 / 560
Article no.: M6119843

V-belt Malossi external Yamaha Tmax 530 / 560

331,00 €
In stock
RRP
396,00 €
-16% Discount
Malossi
Drive Belt Malossi X K Belt BMW C 400 Euro 4 / 5
Article no.: M6119157

Drive Belt Malossi X K Belt BMW C 400 Euro 4 / 5

169,00 €
In stock
RRP
179,00 €
-6% Discount
Malossi
Variator Weights (x6) Malossi Maxiscooter
Article no.: 190008000_A-MALOSSIGALETS2017MAXISCOOTER

Variator Weights (x6) Malossi Maxiscooter

4,50 €
In stock
21,00 €
-79% 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 €
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 €
In stock
RRP
164,00 €
-11% Discount
Malossi
CVT Malossi Multivar Piaggio Sfera 75
Article no.: M517575

CVT Malossi Multivar Piaggio Sfera 75

88,50 €
In stock
Malossi
Drive Belt Malossi X Special Belt Honda SH / Pantheon 125 - 150
Article no.: M6114127

Drive Belt Malossi X Special Belt Honda SH / Pantheon 125 - 150

34,00 €
In stock
Sale
Malossi
CVT Pulley / Fanwheel Malossi Ventilvar Honda SH i / Pantheon 125cc
Article no.: M6112672

CVT Pulley / Fanwheel Malossi Ventilvar Honda SH i / Pantheon 125cc

41,00 €
In stock
Sale
Malossi
Drive Belt Malossi X K Belt Yamaha Aerox / BW's 100cc
Article no.: M6112959

Drive Belt Malossi X K Belt Yamaha Aerox / BW's 100cc

36,00 €
In stock
RRP
39,00 €
-8% Discount
Sale
Malossi
Drive Belt Malossi X K Belt Yamaha XMax 250 - 300
Article no.: M6112714

Drive Belt Malossi X K Belt Yamaha XMax 250 - 300

69,00 €
In stock
RRP
77,00 €
-10% Discount
Sale
Malossi
Drive Belt Malossi X K Belt Suzuki Burgman K7 125cc
Article no.: M6113502

Drive Belt Malossi X K Belt Suzuki Burgman K7 125cc

56,00 €
In stock
Sale
Malossi
Variator Weights (x8) Malossi Maxiscooter
Article no.: 190008010_A-MALOSSI8GALETSMAXISCOOTER

Variator Weights (x8) Malossi Maxiscooter

9,00 €
In stock
22,00 €
-59% Discount
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 €
In stock
RRP
148,00 €
-9% Discount
Malossi
Drive Belt Malossi X K Belt Italjet Formula / Malaguti Ciak 100
Article no.: M618779

Drive Belt Malossi X K Belt Italjet Formula / Malaguti Ciak 100

37,00 €
In stock
Sale
Malossi
CVT Malossi Multivar 2000 Peugeot Speedfight / TKR 100cc
Article no.: M5111558

CVT Malossi Multivar 2000 Peugeot Speedfight / TKR 100cc

81,00 €
In stock
Sale
Malossi
CVT Malossi Multivar 2000 Piaggio MP3 / Vespa LX 125-150cc
Article no.: M5111397

CVT Malossi Multivar 2000 Piaggio MP3 / Vespa LX 125-150cc

135,00 €
In stock
RRP
148,00 €
-9% Discount
Malossi
CVT Variator Malossi Multivar Minarelli 100cc 2T
Article no.: M5111380

CVT Variator Malossi Multivar Minarelli 100cc 2T

93,00 €
In stock
RRP
95,00 €
-2% Discount
Malossi
CVT Malossi Multivar 2000 Suzuki Burgman / Sixteen 125-150cc
Article no.: M5111324

CVT Malossi Multivar 2000 Suzuki Burgman / Sixteen 125-150cc

120,00 €
In stock
RRP
135,00 €
-11% Discount
Malossi
CVT Variator Malossi Multivar Gilera Runner 125 - 180ccm 2T
Article no.: M5111258
1

CVT Variator Malossi Multivar Gilera Runner 125 - 180ccm 2T

139,00 €
In stock
Malossi
CVT Malossi Multivar 2000 Yamaha Xmax / Majesty 250cc
Article no.: M5111225

CVT Malossi Multivar 2000 Yamaha Xmax / Majesty 250cc

132,00 €
In stock
RRP
154,00 €
-14% Discount
Sale
Malossi
CVT Malossi 2000 Malossi Peugeot 100cc before 1999
Article no.: M5111127

CVT Malossi 2000 Malossi Peugeot 100cc before 1999

84,50 €
In stock
RRP
92,00 €
-8% Discount
Malossi
CVT Ramp Plate Malossi Multivar Gilera Runner 125-180cc 4T
Article no.: M2511470B

CVT Ramp Plate Malossi Multivar Gilera Runner 125-180cc 4T

29,00 €
In stock
Sale
Top Performances
Variator Weights (x8) Top Performances
Article no.: T99_rollerweightsx8

Variator Weights (x8) Top Performances

12,50 €
In stock
30,00 €
-58% Discount
Piaggio
Variator Slider Piaggio MP3 400cc
Article no.: OE-PIA842175

Variator Slider Piaggio MP3 400cc

1,40 €
In stock
Standard Parts
Variator Weight Tuning Kit 19x15mm x6
Article no.: MF56.19000

Variator Weight Tuning Kit 19x15mm x6

33,50 €
In stock
34,00 €
-1% Discount
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 Yamaha Xmax 300cc
Article no.: U241.741

CVT Variator Polini Hi-Speed Yamaha Xmax 300cc

208,00 €
In stock
RRP
245,00 €
-15% Discount
Piaggio
O-Ring rear pulley 48mm Piaggio Vespa GTS/GTV/GT 60 125-300cc
Article no.: OE-PIA430585

O-Ring rear pulley 48mm Piaggio Vespa GTS/GTV/GT 60 125-300cc

1,10 €
In stock
Polini
CVT Kit Polini Hi-Speed Evolution Yamaha Tmax 530 & 560
Article no.: U241.701.1

CVT Kit Polini Hi-Speed Evolution Yamaha Tmax 530 & 560

347,00 €
In stock
RRP
471,00 €
-26% Discount
Sale
Polini
CVT Variator Polini Hi-Speed Yamaha Tmax 530cc (2012 - 2016)
Article no.: U241.700

CVT Variator Polini Hi-Speed Yamaha Tmax 530cc (2012 - 2016)

176,00 €
In stock
RRP
259,00 €
-32% Discount
Sale
Piaggio
Air Filter CVT cover Piaggio Vespa GTS/GTV/GT 60 125-300cc
Article no.: OE-PIA842093

Air Filter CVT cover Piaggio Vespa GTS/GTV/GT 60 125-300cc

3,50 €
In stock
Piaggio
Variator Weight (x1) 25x17mm - 21.4g Piaggio MP3 400cc
Article no.: OE-PIA830899

Variator Weight (x1) 25x17mm - 21.4g Piaggio MP3 400cc

2,80 €
In stock
Piaggio
Variator Weight (x1) 25x17mm - 25g Piaggio MP3 500cc 2014
Article no.: OE-PIA1A001570

Variator Weight (x1) 25x17mm - 25g Piaggio MP3 500cc 2014

3,10 €
In stock
3,40 €
-9% Discount
Standard Parts
CVT Yamaha Xmax / Majesty 125cc
Article no.: IP32434

CVT Yamaha Xmax / Majesty 125cc

51,00 €
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 €
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 €
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 €
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 €
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 €
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 €
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

4,60 €
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

126,00 €
In stock
RRP
169,00 €
-25% Discount
Sale
Naraku
Variator Weights (x6) Naraku
Article no.: NK91_WEIGHTSNARAKU
2

Variator Weights (x6) Naraku

5,00 €
In stock
GY6
Drive Belt 743x20x30mm GY6 125/150cc (152QMI)
Article no.: OE-QMI13978

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

11,50 €
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 €
In stock
Polini
Drive Belt Polini Evo Piaggio before 1998 short
Article no.: U248.031

Drive Belt Polini Evo Piaggio before 1998 short

33,00 €
In stock
RRP
41,00 €
-20% Discount
Piaggio
Washer CVT - pulley Piaggio 125 - 300cc 4-stroke 32x17x1mm
Article no.: OE-PIA434885

Washer CVT - pulley Piaggio 125 - 300cc 4-stroke 32x17x1mm

2,50 €
In stock
Piaggio
Washer variator, Piaggio 125/150cc 4-stroke
Article no.: OE-PIA433391

Washer variator, Piaggio 125/150cc 4-stroke

4,60 €
In stock
Naraku
CVT Variator Naraku Maxi Speed, GY6 125-180cc
Article no.: NK900.23

CVT Variator Naraku Maxi Speed, GY6 125-180cc

112,00 €
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 €
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 €
In stock
Naraku
Drive belt Naraku Adly/HerChee, 17x878mm
Article no.: NK901.00

Drive belt Naraku Adly/HerChee, 17x878mm

24,00 €
In stock
Standard Parts
Star Washer for fan wheel Piaggio Maxi 125/150/180
Article no.: L-SA88384

Star Washer for fan wheel Piaggio Maxi 125/150/180

3,50 €
In stock
Standard Parts
Variator Fanwheel OEM quality Yamaha Majesty / Xmax 125cc
Article no.: CGN489514

Variator Fanwheel OEM quality Yamaha Majesty / Xmax 125cc

9,00 €
In stock
11,00 €
-18% Discount
Sale
Piaggio
Variator Slider (x1) Vespa GTS / GTV 250 - 300cc Piaggio
Article no.: OE-PIA843028

Variator Slider (x1) Vespa GTS / GTV 250 - 300cc Piaggio

2,70 €
In stock
Piaggio
Pulley Vespa GTS / GTV 250 - 300cc Piaggio
Article no.: OE-PIA840193

Pulley Vespa GTS / GTV 250 - 300cc Piaggio

24,00 €
In stock
Piaggio
Drive Belt Vespa ET4 125 - 150cc Piaggio
Article no.: OE-PIA478547

Drive Belt Vespa ET4 125 - 150cc Piaggio

17,50 €
In stock
RMS
Variator Weights RMS (x6)
Article no.: A_GALETSRMS
3

Variator Weights RMS (x6)

5,90 €
In stock
10,00 €
-41% Discount
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123456

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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