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CVT and Drive Belts

(131 products)
Moped Variators CVT Kits CVT Weights Drive Belts Pulleys CVT Accessories
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Product type
Circlip Clutch hub CVT CVT accessories CVT boss CVT kit CVT sliders CVT weights Engine spring Pulley Pulley accessories V-belt Washer CVT / transmission bolt Movable pulley half Pedal shaft
Brand
CBE Dayco Doppler Hutchinson Malossi MotoForce MotoForce Racing Piaggio Polini Stage6 Stage6 R/T Standard Parts Swiing Top Performances Ventico
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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
CVT with clutch Motoforce Peugeot 103
Article no.: MF78.13201

CVT with clutch Motoforce Peugeot 103

42,00 €
In stock
RRP
42,50 €
-1% 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
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 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
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 Peugeot 103 SPX
Article no.: S6-5917402

Drive Belt Stage6 Pro Belt Peugeot 103 SPX

16,00 €
In stock
RRP
21,00 €
-24% Discount
Sale
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
MotoForce Racing
CVT Variator V.2 Motoforce Racing Piaggio
Article no.: MF75.14010
5

CVT Variator V.2 Motoforce Racing Piaggio

42,50 €
In stock
RRP
51,50 €
-17% Discount
Sale
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
CBE
Guiding Blocks /Sliders CBE f. Bidalot variator 120mm
Article no.: CBE-GUIDE-VAR-BID120

Guiding Blocks /Sliders CBE f. Bidalot variator 120mm

36,00 €
In stock
Standard Parts
Variator Weight Tuning Kit 16x13mm
Article no.: MF56.16000

Variator Weight Tuning Kit 16x13mm

36,50 €
In stock
Hutchinson
V-Belt smooth 847x13x8mm Peugeot 103 w/o variator (5l tank)
Article no.: CGN497142

V-Belt smooth 847x13x8mm Peugeot 103 w/o variator (5l tank)

10,50 €
In stock
Doppler
Tension Spring Doppler ER1 103 MVL / Vogue
Article no.: CGN495897

Tension Spring Doppler ER1 103 MVL / Vogue

80,00 €
In stock
Malossi
Drive Belt Malossi X-Special Belt Piaggio after 1998 long
Article no.: M6116889

Drive Belt Malossi X-Special Belt Piaggio after 1998 long

41,00 €
In stock
46,00 €
-11% Discount
Sale
Polini
Drive Belt Evo Overrange Piaggio after 1998 long
Article no.: U248.037.2

Drive Belt Evo Overrange Piaggio after 1998 long

58,00 €
In stock
RRP
78,00 €
-26% Discount
Sale
Top Performances
CVT Kit Top Performances TPR GP Piaggio short new
Article no.: T9931260

CVT Kit Top Performances TPR GP Piaggio short new

60,00 €
In stock
RRP
88,00 €
-32% Discount
Sale
Standard Parts
Washer variator plastic 16x28 Peugeot 103 SP / MVL / Vogue
Article no.: CGN491049

Washer variator plastic 16x28 Peugeot 103 SP / MVL / Vogue

1,10 €
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
Standard Parts
Variator Pulley (fixed) Peugeot 103 SP / MVL / Vogue
Article no.: CGN813
1

Variator Pulley (fixed) Peugeot 103 SP / MVL / Vogue

13,00 €
In stock
Sale
Standard Parts
Variator Guide Peugeot 103 / Vogue / MVL / SP / SPX / RCX
Article no.: CGN481761
3

Variator Guide Peugeot 103 / Vogue / MVL / SP / SPX / RCX

3,90 €
In stock
Ventico
Drive Belt Ventico D14CR serrated MBK Cady
Article no.: CGN4088

Drive Belt Ventico D14CR serrated MBK Cady

12,00 €
In stock
Standard Parts
Variator Weights OEM quality Peugeot 103 SP / MVL / Vogue
Article no.: CGN285356

Variator Weights OEM quality Peugeot 103 SP / MVL / Vogue

13,00 €
In stock
Sale
Standard Parts
Variator Weights Peugeot 103 SP / MVL / SPX / RCX
Article no.: CGN1974
1

Variator Weights Peugeot 103 SP / MVL / SPX / RCX

5,80 €
In stock
6,00 €
-3% Discount
Malossi
Drive Belt Malossi X K Belt Overrange Piaggio long
Article no.: M6115668
1

Drive Belt Malossi X K Belt Overrange Piaggio long

49,00 €
In stock
RRP
63,00 €
-22% Discount
Sale
Standard Parts
Pedal Circlip MBK 51 (d=16mm)
Article no.: CGN4278

Pedal Circlip MBK 51 (d=16mm)

0,90 €
In stock
Doppler
CVT Variator Doppler ER3 Peugeot 103 SPX / RCX
Article no.: CGN292555

CVT Variator Doppler ER3 Peugeot 103 SPX / RCX

149,00 €
In stock
RRP
165,00 €
-10% Discount
Sale
Doppler
CVT Variator Doppler ER3 MBK 51 kickstarter (with clutch)
Article no.: CGN292536
1

CVT Variator Doppler ER3 MBK 51 kickstarter (with clutch)

153,00 €
In stock
RRP
169,00 €
-9% Discount
Sale
Doppler
CVT Doppler ER3 Peugeot 103 SP / MVL / Vogue (w/ clutch)
Article no.: CGN292517
4

CVT Doppler ER3 Peugeot 103 SP / MVL / Vogue (w/ clutch)

165,00 €
In stock
189,00 €
-13% Discount
Doppler
CVT Doppler ER2 Peugeot 103 SP / MVL / Vogue (with clutch)
Article no.: CGN254946
2

CVT Doppler ER2 Peugeot 103 SP / MVL / Vogue (with clutch)

150,00 €
In stock
Malossi
Variator Weight Set (24x) Malossi Peugeot 103
Article no.: M196713

Variator Weight Set (24x) Malossi Peugeot 103

27,00 €
In stock
Dayco
V-belt Dayco Power Piaggio Bravo 1987 - 1990
Article no.: CGN541945

V-belt Dayco Power Piaggio Bravo 1987 - 1990

14,00 €
In stock
Sale
Doppler
Weights 16,75gr clutch Doppler Open (x12)
Article no.: CGN534444

Weights 16,75gr clutch Doppler Open (x12)

17,00 €
In stock
RRP
22,00 €
-23% Discount
Doppler
Pulley Doppler Open multi-plate clutch Peugeot
Article no.: CGN515252

Pulley Doppler Open multi-plate clutch Peugeot

399,00 €
In stock
Doppler
Pulley Doppler Open multi-plate clutch MBK 51
Article no.: CGN515253

Pulley Doppler Open multi-plate clutch MBK 51

399,00 €
In stock
Malossi
CVT Malossi Variotop MBK 51 inversed
Article no.: M517723

CVT Malossi Variotop MBK 51 inversed

204,00 €
In stock
RRP
260,00 €
-22% Discount
Sale
Malossi
Drive Belt Malossi X K Belt Piaggio Bravo
Article no.: M6117005

Drive Belt Malossi X K Belt Piaggio Bravo

29,00 €
In stock
Sale
Polini
Pulley fixed Polini Piaggio Ciao
Article no.: P246.055

Pulley fixed Polini Piaggio Ciao

27,00 €
In stock
RRP
31,00 €
-13% Discount
Doppler
Pressure Plate for CVT weights Doppler ER3 (x2)
Article no.: CGN455354

Pressure Plate for CVT weights Doppler ER3 (x2)

2,00 €
In stock
2,20 €
-9% Discount
Standard Parts
Pulley mobile MBK 51
Article no.: CGN514563

Pulley mobile MBK 51

26,00 €
In stock
Standard Parts
Pulley Clamp 12 teeth with spring MBK 51
Article no.: CGN526320

Pulley Clamp 12 teeth with spring MBK 51

4,50 €
In stock
Standard Parts
Pulley Clamp 11 teeth MBK 51
Article no.: CGN515939

Pulley Clamp 11 teeth MBK 51

4,70 €
In stock
Standard Parts
CVT Boss Peugeot 103 SP 15x57mm
Article no.: CGN511866

CVT Boss Peugeot 103 SP 15x57mm

4,60 €
In stock
Standard Parts
Bracket for CVT weights Peugeot 103
Article no.: CGN512223

Bracket for CVT weights Peugeot 103

3,00 €
In stock
Malossi
Drive Belt Malossi X-Special Belt 70mm pulley Piaggio Ciao
Article no.: M617224

Drive Belt Malossi X-Special Belt 70mm pulley Piaggio Ciao

16,00 €
In stock
21,50 €
-26% Discount
Sale
Malossi
Drive Belt Malossi X-Special Belt 80mm pulley Piaggio Ciao
Article no.: M617226

Drive Belt Malossi X-Special Belt 80mm pulley Piaggio Ciao

20,00 €
In stock
Malossi
Drive Belt Malossi X Special Belt 1060mm Piaggio Bravo
Article no.: M617223

Drive Belt Malossi X Special Belt 1060mm Piaggio Bravo

14,00 €
In stock
Sale
Malossi
CVT Variator Malossi Multivar Piaggio Bravo / Ciao / Grillo
Article no.: M513863

CVT Variator Malossi Multivar Piaggio Bravo / Ciao / Grillo

88,00 €
In stock
RRP
122,00 €
-28% Discount
Sale
Malossi
Drive Belt Malossi X Special Belt 1049mm Piaggio Bravo
Article no.: M6119260

Drive Belt Malossi X Special Belt 1049mm Piaggio Bravo

32,00 €
In stock
RRP
40,00 €
-20% Discount
Sale
Swiing
Pulley swiing Pully CNC 70mm Mono Piaggio Ciao
Article no.: MOF-43860

Pulley swiing Pully CNC 70mm Mono Piaggio Ciao

29,00 €
In stock
Malossi
CVT Malossi Variotop Peugeot 103 SP / MV (with clutch)
Article no.: M511885

CVT Malossi Variotop Peugeot 103 SP / MV (with clutch)

172,00 €
In stock
RRP
238,00 €
-28% Discount
Sale
Malossi
CVT Malossi Multivar Peugeot 103 SP / MV / Vogue (w. clutch)
Article no.: M517160
1

CVT Malossi Multivar Peugeot 103 SP / MV / Vogue (w. clutch)

132,00 €
In stock
RRP
181,00 €
-27% Discount
Sale
Polini
Variator + Launch Pedal reinforced Polini Peugeot 103
Article no.: P202.025

Variator + Launch Pedal reinforced Polini Peugeot 103

127,00 €
In stock
RRP
150,00 €
-15% Discount
Malossi
CVT Variator Malossi Multivar Peugeot 103 SPX / RCX
Article no.: M517123
3

CVT Variator Malossi Multivar Peugeot 103 SPX / RCX

72,50 €
In stock
RRP
74,00 €
-2% Discount
Malossi
V-Belt Malossi X Special Belt Peugeot 103 SP / MV / Vogue
Article no.: M617219
3

V-Belt Malossi X Special Belt Peugeot 103 SP / MV / Vogue

20,00 €
In stock
RRP
23,00 €
-13% Discount
Sale
Malossi
Drive Belt Malossi X Special Belt Peugeot 103 SPX / RCX
Article no.: M617220
4

Drive Belt Malossi X Special Belt Peugeot 103 SPX / RCX

13,00 €
In stock
RRP
18,00 €
-28% Discount
Sale
Malossi
CVT Variator Malossi Multivar 2000 Piaggio NRG / Runner
Article no.: M519019
14

CVT Variator Malossi Multivar 2000 Piaggio NRG / Runner

79,00 €
In stock
RRP
92,00 €
-14% Discount
Sale
Polini
CVT Variator Polini Hi Speed Piaggio after 1998
Article no.: U241.672
4

CVT Variator Polini Hi Speed Piaggio after 1998

73,00 €
In stock
RRP
86,00 €
-15% Discount
Standard Parts
Variator Ramp Plate Honda Camino
Article no.: MOF-41096

Variator Ramp Plate Honda Camino

3,30 €
In stock
RRP
7,40 €
-55% Discount
Dayco
Drive Belt Dayco Piaggio / Vespa SI
Article no.: VC29114

Drive Belt Dayco Piaggio / Vespa SI

13,00 €
In stock
16,50 €
-21% Discount
Sale
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123

Moped Variator

A moped's CVT system operates through four elements: the variator, the drive belt, the rear pulley, and the engine spring (or torque driver).

A variator or CVT is not standard on all classic mopeds. Depending on the model series and year of manufacture, there are versions with or without a CVT system.

It is important to note that Peugeot, Piaggio, and MBK use different systems.

On a moped equipped with a variator, you have a continuously variable automatic transmission that provides smooth acceleration without shifting jolts.

How a Moped Variator Works:

Variator:

A variator allows the gear ratio to change automatically and variably depending on the engine speed. Although the systems vary, the principle remains the same:

  • The variator is mounted directly on the crankshaft and rotates at engine speed.
  • It consists of a fixed and a movable pulley, with the drive belt running in between. These pulleys are conically shaped.
  • The movable pulley contains centrifugal weights, balls, or rollers: small moving components that move outward due to centrifugal force and move the pulley.
  • Since the drive belt is wedged between the conical pulleys, it slides upward. This changes the gear ratio and the speed (similar to a larger sprocket on a motorcycle: the larger it is, the higher the top speed).

Note: Heavier weights or balls cause the variator to open more slowly, while lighter ones make it open faster. Adjusting these weights is essential after engine upgrades to ensure optimal power transfer.

Drive Belt:

The belt provides the connection between the front pulley (variator) and the rear pulley. It slides from the inside to the outside on the variator to vary the speed.

As the belt rises on the variator, it would actually become too short. How is this compensated for? The answer follows below ↓!

Engine Spring / Torque Driver:

To compensate for the movement of the belt and the change in length, Peugeot and MBK mounted the engine so that it can pivot on an axis. This allows it to swing forward and backward to compensate for the belt length. An engine spring is used to ensure the engine returns to its starting position when letting off the throttle. Like the weights, this spring must be adapted to the engine's power output.

Piaggio, on the other hand, was a pioneer with a torque drive system similar to that of a scooter. The engine does not swing here. There is a second pulley unit at the rear, which also features a fixed and a movable pulley. During acceleration, the drive belt moves inward; when letting off the throttle, the spring pushes the pulley back together.

OEM Variators

Peugeot Variator

On Peugeot models, the movable pulley is pushed by levers with tilting weights. Two opposing levers are fixed on axes and press against the pulley. The weights are screwed onto these levers to adjust the opening speed.

MBK Variator

MBK relies on balls to push the movable pulley. These move in tracks from the inside to the outside (centrifugal force).

Piaggio Variator

Piaggio developed a system with variator weights (rollers) very similar to those used in later scooters. The principle is the same as the MBK balls, but the rollers provide a larger contact surface, making the system more efficient.

Note: These three original systems have a limited adjustment range, and tuning via weights or balls is often difficult.

Sport and Racing Variators for Vintage Mopeds

Tuners quickly realized that for high-performance engines, the entire system must be optimized. As a result, variators based on scooter designs entered the moped world.

Optimized Ramps and Variator Weights

Almost all well-known brands in 50cc tuning now rely on variators with large CVT weights (scooter type). The ramp angles of the pulleys have been optimized and high-quality materials are used. The goal is maximum belt grip combined with high durability. The use of variator weights makes tuning easier due to the huge selection of different weights available.

Moped Variators in Our Shop

In our online shop, you will find all types of variators. Sport and racing models from brands like Malossi, Polini, or Doppler, as well as original replacement parts for authentic restorations. Of course, we also carry matching drive belts (standard or reinforced), rear pulleys, and all types of engine springs.

Naturally, we have all parts in stock for the most common models such as the Peugeot 103, MBK 51, and Piaggio Ciao.

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