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CVT and Drive Belts

(130 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 Racing
CVT Kit + Clutch MotoForce Racing Piaggio long 1998 - 2010
Article no.: MF75.14016

CVT Kit + Clutch MotoForce Racing Piaggio long 1998 - 2010

161,70 €
Currently not in stock
165,00 €
-2% Set-Rabatt
Polini
CVT Variator Polini Hi Speed Piaggio Ciao / Bravo
Article no.: U241.311

CVT Variator Polini Hi Speed Piaggio Ciao / Bravo

96,00 €
Currently not in stock
RRP
108,00 €
-11% Discount
Standard Parts
Variator Weight Tuning Kit 19x15mm x6
Article no.: MF56.19000

Variator Weight Tuning Kit 19x15mm x6

33,50 €
Currently not in stock
Doppler
CVT Pulley (fixed) Doppler ER1 / OEM Peugeot 103 SPX / RCX
Article no.: CGN494092

CVT Pulley (fixed) Doppler ER1 / OEM Peugeot 103 SPX / RCX

32,00 €
Currently not in stock
Piaggio
CVT Variator 19x15,5mm Piaggio 50cc
Article no.: OE-PIACM110301

CVT Variator 19x15,5mm Piaggio 50cc

58,50 €
Currently not in stock
Standard Parts
Pulley aluminium Peugeot 103 SP / MVL / Vogue 11 teeth
Article no.: EKP-10181

Pulley aluminium Peugeot 103 SP / MVL / Vogue 11 teeth

22,00 €
Currently not in stock
Polini
Drive Belt Polini Original Piaggio CIAO w/o variator
Article no.: U248.105

Drive Belt Polini Original Piaggio CIAO w/o variator

10,50 €
Currently not in stock
RRP
12,00 €
-13% Discount
Polini
Drive Belt Polini Original Piaggio CIAO w/ variator
Article no.: U248.113

Drive Belt Polini Original Piaggio CIAO w/ variator

13,00 €
Currently not in stock
RRP
15,00 €
-13% Discount
Hutchinson
V-Belt Hutchinson smooth Peugeot 103 Vogue (5l tank)
Article no.: CGN497143

V-Belt Hutchinson smooth Peugeot 103 Vogue (5l tank)

10,50 €
Currently not 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 €
Currently not in stock
Hutchinson
Drive Belt Hutchinson reinforced cogged 806x14.0x10mm MBK 51
Article no.: CGN497141

Drive Belt Hutchinson reinforced cogged 806x14.0x10mm MBK 51

15,00 €
Currently not in stock
Top Performances
CVT Kit Top Performances TPR GP Piaggio short new
Article no.: T9931260

CVT Kit Top Performances TPR GP Piaggio short new

86,50 €
Currently not in stock
RRP
88,00 €
-2% Discount
Piaggio
Front Pulley Piaggio NRG / Typhoon after 1998
Article no.: OE-PIA479561

Front Pulley Piaggio NRG / Typhoon after 1998

22,50 €
Currently not in stock
Ventico
Drive Belt smooth Ventico A48 Peugeot 103 SP / MVL / Vogue
Article no.: CGN647
1

Drive Belt smooth Ventico A48 Peugeot 103 SP / MVL / Vogue

9,30 €
Currently not in stock
Standard Parts
Pulley 11 teeth Peugeot 103 SP / MV / Vogue
Article no.: CGN850

Pulley 11 teeth Peugeot 103 SP / MV / Vogue

16,50 €
Currently not in stock
Ventico
Ventico Drive Belt D501 smooth Peugeot 103 Vogue V / MVL M
Article no.: CGN476671

Ventico Drive Belt D501 smooth Peugeot 103 Vogue V / MVL M

13,50 €
Currently not in stock
Ventico
Ventico Drive Belt D24 smooth MBK 51 / 50 / 41 / 40 / 88
Article no.: CGN4081

Ventico Drive Belt D24 smooth MBK 51 / 50 / 41 / 40 / 88

9,00 €
Currently not in stock
9,30 €
-3% Discount
Standard Parts
Pulley with 11-teeth pinion detachable MBK 51 / 88
Article no.: CGN4253

Pulley with 11-teeth pinion detachable MBK 51 / 88

23,00 €
Currently not in stock
Doppler
CVT Doppler ER3 Peugeot 103 SP / MVL (no clutch)
Article no.: CGN292521

CVT Doppler ER3 Peugeot 103 SP / MVL (no clutch)

169,00 €
Currently not in stock
183,00 €
-8% Discount
Doppler
CVT Doppler ER2 Peugeot 103 Vogue / MVL / SP (no clutch)
Article no.: CGN216552

CVT Doppler ER2 Peugeot 103 Vogue / MVL / SP (no clutch)

140,00 €
Currently not in stock
145,00 €
-3% Discount
Standard Parts
Variator Weights Peugeot 103 SP / MVL / SPX / RCX
Article no.: CGN1974
1

Variator Weights Peugeot 103 SP / MVL / SPX / RCX

5,80 €
Currently not in stock
6,00 €
-3% Discount
Standard Parts
Pedal Shaft smooth MBK Magnum / XR (kick)
Article no.: CGN482641

Pedal Shaft smooth MBK Magnum / XR (kick)

9,10 €
Currently not in stock
Standard Parts
Pulley Spacer Peugeot 103 / Vogue 2mm
Article no.: CGN481375

Pulley Spacer Peugeot 103 / Vogue 2mm

0,80 €
Currently not in stock
0,90 €
-11% Discount
Standard Parts
CVT Variator with clutch OEM quality MBK 51 / 88
Article no.: CGN4188

CVT Variator with clutch OEM quality MBK 51 / 88

76,00 €
Currently not in stock
Dayco
Drive Belt Dayco reinforced cogged MBK 51
Article no.: CGN4084

Drive Belt Dayco reinforced cogged MBK 51

14,50 €
Currently not in stock
Doppler
Drive Belt Doppler reinforced Peugeot 103 SPX / RCX
Article no.: CGN327129

Drive Belt Doppler reinforced Peugeot 103 SPX / RCX

17,00 €
Currently not in stock
Doppler
CVT Variator Doppler ER3 MBK 51 (without clutch)
Article no.: CGN292547

CVT Variator Doppler ER3 MBK 51 (without clutch)

165,00 €
Currently not in stock
172,00 €
-4% Discount
Standard Parts
Variator Launch Lever Peugeot 103 / 51 (mopeds)
Article no.: CGN2885
1

Variator Launch Lever Peugeot 103 / 51 (mopeds)

25,00 €
Currently not in stock
Standard Parts
Drive Belt (cogged) Peugeot 103 SPX / RCX
Article no.: CGN187513
2

Drive Belt (cogged) Peugeot 103 SPX / RCX

12,50 €
Currently not in stock
Standard Parts
Drive Belt (cogged) MBK 51
Article no.: CGN187509
1

Drive Belt (cogged) MBK 51

9,50 €
Currently not in stock
Standard Parts
Drive Belt (cogged) Peugeot 103 SP / MVL / Vogue
Article no.: CGN187494

Drive Belt (cogged) Peugeot 103 SP / MVL / Vogue

9,10 €
Currently not in stock
Standard Parts
Drive Belt (smooth) MBK 51
Article no.: CGN122017

Drive Belt (smooth) MBK 51

8,30 €
Currently not in stock
Standard Parts
Drive Belt smooth Peugeot 103 SP / MVL / Vogue
Article no.: CGN122006
1

Drive Belt smooth Peugeot 103 SP / MVL / Vogue

4,90 €
Currently not in stock
Malossi
Variator Weight Set (24x) Malossi Peugeot 103
Article no.: M196713

Variator Weight Set (24x) Malossi Peugeot 103

27,00 €
Currently not in stock
Standard Parts
CVT Piaggio moped
Article no.: MF75.10001

CVT Piaggio moped

46,00 €
Currently not in stock
Standard Parts
V-belt Peugeot Fox Ventico D502 d.910x13,2mm
Article no.: CGN512688

V-belt Peugeot Fox Ventico D502 d.910x13,2mm

19,00 €
Currently not in stock
Malossi
Drive Belt Malossi X K Belt Piaggio Ciao (with variator)
Article no.: M6116830

Drive Belt Malossi X K Belt Piaggio Ciao (with variator)

37,00 €
Currently not in stock
RRP
38,00 €
-3% Discount
Standard Parts
CVT Boss Peugeot 103 SP 15x57mm
Article no.: CGN511866

CVT Boss Peugeot 103 SP 15x57mm

4,60 €
Currently not in stock
Malossi
Drive Belt Malossi X-Special Belt Piaggio Ciao (w. variator)
Article no.: M617227

Drive Belt Malossi X-Special Belt Piaggio Ciao (w. variator)

18,50 €
Currently not in stock
RRP
20,00 €
-8% Discount
Polini
Drive Belt Evo Piaggio after 1998 long
Article no.: U248.029

Drive Belt Evo Piaggio after 1998 long

41,00 €
Currently not in stock
RRP
48,00 €
-15% Discount
Malossi
CVT Kit Malossi MHR Over Range Piaggio Zip
Article no.: M6118836
1

CVT Kit Malossi MHR Over Range Piaggio Zip

333,00 €
Currently not in stock
RRP
375,00 €
-11% Discount
Malossi
Drive Belt Malossi X-Special Belt Piaggio Ciao PX
Article no.: M6119261

Drive Belt Malossi X-Special Belt Piaggio Ciao PX

43,50 €
Currently not in stock
Malossi
Drive Belt Malossi X-Special Belt Piaggio Si / Peugeot Fox
Article no.: M6118940

Drive Belt Malossi X-Special Belt Piaggio Si / Peugeot Fox

35,00 €
Currently not in stock
RRP
40,00 €
-13% Discount
Malossi
CVT Kit Malossi MHR Overrange Piaggio Si
Article no.: M6119262

CVT Kit Malossi MHR Overrange Piaggio Si

339,00 €
Currently not in stock
RRP
409,00 €
-17% Discount
Malossi
CVT Malossi Multivar MHR Piaggio Si
Article no.: M5118535

CVT Malossi Multivar MHR Piaggio Si

130,00 €
Currently not in stock
RRP
134,00 €
-3% Discount
Standard Parts
Pulley 94mm Piaggio Ciao / PX50
Article no.: MOF-34259

Pulley 94mm Piaggio Ciao / PX50

5,10 €
Currently not in stock
Swiing
Pulley swiing Pully CNC 90mm Mono Piaggio Ciao
Article no.: MOF-43864

Pulley swiing Pully CNC 90mm Mono Piaggio Ciao

35,00 €
Currently not in stock
Swiing
Pulley swiing Pully CNC 85mm Mono Piaggio Ciao
Article no.: MOF-43863

Pulley swiing Pully CNC 85mm Mono Piaggio Ciao

33,00 €
Currently not in stock
Swiing
Pulley swiing Pully CNC 80mm Mono Piaggio Ciao
Article no.: MOF-43862

Pulley swiing Pully CNC 80mm Mono Piaggio Ciao

32,00 €
Currently not in stock
Swiing
Pulley swiing Pully CNC 75mm Mono Piaggio Ciao
Article no.: MOF-43861

Pulley swiing Pully CNC 75mm Mono Piaggio Ciao

31,00 €
Currently not in stock
Malossi
CVT Malossi Variotop Peugeot 103 SP / MV (with clutch)
Article no.: M511885

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

214,00 €
Currently not in stock
RRP
238,00 €
-10% Discount
Malossi
CVT Variator Malossi Variotop Peugeot 103 SPX / RCX
Article no.: M511887
1

CVT Variator Malossi Variotop Peugeot 103 SPX / RCX

230,00 €
Currently not in stock
RRP
260,00 €
-12% Discount
Doppler
Pulley Doppler Open with pinion 11 teeth Peugeot 103
Article no.: CGN515261

Pulley Doppler Open with pinion 11 teeth Peugeot 103

83,00 €
Currently not in stock
99,00 €
-16% Discount
Doppler
Pulley Doppler Open with pinion 10 teeth Peugeot 103
Article no.: CGN517369

Pulley Doppler Open with pinion 10 teeth Peugeot 103

83,00 €
Currently not in stock
99,00 €
-16% Discount
Doppler
Pulley Doppler Open moped MBK 51 - 11 teeth
Article no.: CGN515262

Pulley Doppler Open moped MBK 51 - 11 teeth

83,00 €
Currently not in stock
99,00 €
-16% Discount
Malossi
CVT Variator Malossi Multivar Peugeot 103 SPX / RCX
Article no.: M517123
3

CVT Variator Malossi Multivar Peugeot 103 SPX / RCX

72,50 €
Currently not in stock
RRP
74,00 €
-2% Discount
Polini
Drive Belt Polini Original Piaggio after 1998 long
Article no.: P248.078

Drive Belt Polini Original Piaggio after 1998 long

32,50 €
Currently not in stock
RRP
38,00 €
-14% Discount
Malossi
Variator Weights Malossi Variotop Peugeot 103 / MBK 51 (x4)
Article no.: M192182

Variator Weights Malossi Variotop Peugeot 103 / MBK 51 (x4)

9,40 €
Currently not in stock
Malossi
CVT Variator Conversion Kit Malossi VarPlus MBK 51
Article no.: M516798
1

CVT Variator Conversion Kit Malossi VarPlus MBK 51

56,50 €
Currently not in stock
RRP
60,00 €
-6% Discount
Malossi
Drive Belt Malossi X Special Belt MBK 51
Article no.: M6112745
5

Drive Belt Malossi X Special Belt MBK 51

24,50 €
Currently not in stock
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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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