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Reed Valves and Petals

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Carburetor kit Derestrictor kit Intake gasket Intake kit Intake spacer Reed petals Reed valve
Brand
Athena Barikit CBE Derbi Doppler Easyboost Italkit KRM Malossi Metrakit Moose Racing MotoForce MotoForce Racing MVT MXS Custom MXS Racing Naraku Peugeot Piaggio Polini Schmitt Stage6 Stage6 R/T Standard Parts V Force Voca Racing Yamaha
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Malossi
Reed Petals Malossi VL13 0.30mm (45°) x2
Article no.: M2711798.C0

Reed Petals Malossi VL13 0.30mm (45°) x2

22,00 €
In stock
Sale
Polini
Reed Valve Polini Evolution carbon fiber Derbi
Article no.: P213.0051
6

Reed Valve Polini Evolution carbon fiber Derbi

60,50 €
In stock
RRP
66,00 €
-8% Discount
Polini
Reed Valve Polini Minarelli vertical
Article no.: P213.0050
22

Reed Valve Polini Minarelli vertical

49,00 €
In stock
RRP
51,00 €
-4% Discount
Polini
Reed Valve Polini Peugeot Speedfight / Trekker
Article no.: P213.0049
1

Reed Valve Polini Peugeot Speedfight / Trekker

48,00 €
In stock
RRP
51,00 €
-6% Discount
Standard Parts
Reed Valve OEM quality Pocket Bike
Article no.: SP-184568

Reed Valve OEM quality Pocket Bike

3,00 €
In stock
RRP
4,10 €
-27% Discount
Malossi
Jet / Reeds / Needles Malossi Peugeot Fox / Honda Wallaroo
Article no.: M202933B
1

Jet / Reeds / Needles Malossi Peugeot Fox / Honda Wallaroo

14,00 €
In stock
20,50 €
-32% Discount
Sale
Malossi
Reed Valve Malossi VL20 for Malossi crankcase Piaggio Ciao
Article no.: M2718442B

Reed Valve Malossi VL20 for Malossi crankcase Piaggio Ciao

37,00 €
In stock
RRP
60,00 €
-38% Discount
Polini
Reed Valve Polini MBK 51
Article no.: P213.0032

Reed Valve Polini MBK 51

23,00 €
In stock
RRP
24,00 €
-4% Discount
Polini
Reed Valve Polini Big Valve for mopeds
Article no.: P213.0020

Reed Valve Polini Big Valve for mopeds

20,50 €
In stock
RRP
21,00 €
-2% Discount
Polini
Intake Kit Polini Big Valve d=12-15mm Peugeot 103 SP / MVL
Article no.: P215.0300

Intake Kit Polini Big Valve d=12-15mm Peugeot 103 SP / MVL

58,00 €
In stock
RRP
59,00 €
-2% Discount
Polini
Intake Kit Polini Big Valve 23mm PHBG MBK 51
Article no.: P215.0246
1

Intake Kit Polini Big Valve 23mm PHBG MBK 51

57,00 €
In stock
RRP
67,00 €
-15% Discount
Polini
Intake Kit Polini Big Valve 19mm SHA MBK 51
Article no.: P215.0245

Intake Kit Polini Big Valve 19mm SHA MBK 51

44,00 €
In stock
RRP
67,00 €
-34% Discount
Polini
Reed Valve Polini Peugeot 103
Article no.: P213.0017
6

Reed Valve Polini Peugeot 103

13,00 €
In stock
RRP
14,00 €
-7% Discount
KRM
Reed Valve Spacer 10mm KRM pink Minarelli AM6
Article no.: KR459F

Reed Valve Spacer 10mm KRM pink Minarelli AM6

21,00 €
In stock
Sale
KRM
Reed Valve Spacer 5mm KRM pink Derbi
Article no.: KR458F

Reed Valve Spacer 5mm KRM pink Derbi

19,00 €
In stock
Sale
KRM
Reed Valve Spacer 5mm KRM gold Derbi
Article no.: KR456F

Reed Valve Spacer 5mm KRM gold Derbi

19,00 €
In stock
Sale
KRM
Reed Valve Spacer 5mm KRM blue Derbi
Article no.: KR348F

Reed Valve Spacer 5mm KRM blue Derbi

19,00 €
In stock
Sale
Malossi
Reed Valve Malossi MHR VL16 Piaggio
Article no.: M2713719.C0
4

Reed Valve Malossi MHR VL16 Piaggio

55,00 €
In stock
RRP
70,00 €
-21% Discount
Sale
Malossi
Reed Valve Malossi VL7 for mopeds
Article no.: M275034.K0

Reed Valve Malossi VL7 for mopeds

21,00 €
In stock
RRP
26,00 €
-19% Discount
Sale
Malossi
Reed Petals Malossi MHR karbonit fiber VL2 (0.3 / 0.35mm)
Article no.: M275618.K0

Reed Petals Malossi MHR karbonit fiber VL2 (0.3 / 0.35mm)

12,00 €
In stock
Malossi
Reed Petals Malossi VL1 Peugeot 103
Article no.: M272356.C0

Reed Petals Malossi VL1 Peugeot 103

17,00 €
In stock
RRP
23,00 €
-26% Discount
Sale
Polini
Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal
Article no.: P215.0410
23

Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal

132,00 €
In stock
RRP
147,00 €
-10% Discount
Polini
Reed Petals Polini carbon fiber Yamaha BW's / Slider / MBK
Article no.: P213.0530
20

Reed Petals Polini carbon fiber Yamaha BW's / Slider / MBK

21,70 €
In stock
Polini
Reed Petals Polini Piaggio NRG / Typhoon
Article no.: P213.0525

Reed Petals Polini Piaggio NRG / Typhoon

18,00 €
In stock
RRP
19,00 €
-5% Discount
Standard Parts
Reed Valve OEM quality Suzuki RMX / SMX
Article no.: MF35.17000

Reed Valve OEM quality Suzuki RMX / SMX

19,50 €
In stock
20,00 €
-3% Discount
Malossi
Reed Valve Malossi VL11 Piaggio
Article no.: M277708.C0

Reed Valve Malossi VL11 Piaggio

52,00 €
In stock
RRP
59,00 €
-12% Discount
Malossi
Reed Valve Malossi VL10 Minarelli vertical
Article no.: M277441.C
35

Reed Valve Malossi VL10 Minarelli vertical

48,00 €
In stock
RRP
51,00 €
-6% Discount
Sale
Malossi
Reed Valve Malossi VL9 Peugeot Speedfight / Trekker
Article no.: M277440.C
3

Reed Valve Malossi VL9 Peugeot Speedfight / Trekker

66,50 €
In stock
Malossi
Reed Petals Malossi 0.3 / 0.35 / 0.4mm VL11 / OEM Minarelli
Article no.: M277054.K0
4

Reed Petals Malossi 0.3 / 0.35 / 0.4mm VL11 / OEM Minarelli

19,50 €
In stock
MVT
Intake Kit MVT S-Race 24mm PHBG Derbi Euro 2 / 3 / 4
Article no.: MVT-CL2
7

Intake Kit MVT S-Race 24mm PHBG Derbi Euro 2 / 3 / 4

49,00 €
In stock
RRP
64,00 €
-23% Discount
Sale
MVT
Intake Kit MVT S-Race 24mm PHBG Minarelli AM6
Article no.: MVT-CL1
9

Intake Kit MVT S-Race 24mm PHBG Minarelli AM6

37,00 €
In stock
RRP
64,00 €
-42% Discount
Sale
V Force
reed Valve Gasket V-Force KX 500
Article no.: VFG150

reed Valve Gasket V-Force KX 500

5,70 €
In stock
RRP
9,10 €
-37% Discount
V Force
reed Valve Gasket V-Force SX 65 2009-2023
Article no.: VFG351

reed Valve Gasket V-Force SX 65 2009-2023

2,90 €
In stock
RRP
7,70 €
-62% Discount
V Force
V-Force 4 Replacement reed petals
Article no.: VF4PR612M

V-Force 4 Replacement reed petals

60,00 €
In stock
RRP
90,50 €
-34% Discount
V Force
Reed Valve V-Force 4 Yamaha YZ125
Article no.: VFV4R04

Reed Valve V-Force 4 Yamaha YZ125

177,00 €
In stock
193,00 €
-8% Discount
Sale
V Force
Reed Valve V-Force 3 KTM 50 2002-2008
Article no.: VFV351A

Reed Valve V-Force 3 KTM 50 2002-2008

99,00 €
In stock
RRP
199,00 €
-50% Discount
V Force
V-Force Replacement Gasket for Reed Valve System (V4R26)
Article no.: VFG426

V-Force Replacement Gasket for Reed Valve System (V4R26)

4,00 €
In stock
RRP
10,50 €
-62% Discount
V Force
Reed Valve V-Force 4R Husqvarna CR 125
Article no.: VFV4R01H

Reed Valve V-Force 4R Husqvarna CR 125

177,00 €
In stock
193,00 €
-8% Discount
Sale
V Force
Reed Valve V-Force 4R Honda CR 125
Article no.: VFV4R01D

Reed Valve V-Force 4R Honda CR 125

177,00 €
In stock
193,00 €
-8% Discount
Sale
V Force
V-Force Replacement gasket (V4R81A - CR 85)
Article no.: VFG481

V-Force Replacement gasket (V4R81A - CR 85)

8,40 €
In stock
V Force
Reed Valve V-Force 4R System KTM / Husqvarna 85
Article no.: VFV4R85A

Reed Valve V-Force 4R System KTM / Husqvarna 85

177,00 €
In stock
195,00 €
-9% Discount
Sale
V Force
Reed Valve V-Force 4Ri System Suzuki RM 85
Article no.: VFV4R83A-I

Reed Valve V-Force 4Ri System Suzuki RM 85

191,00 €
In stock
209,00 €
-9% Discount
Sale
Doppler
Reed Petals S3R Doppler carbon Yamaha Aerox
Article no.: CGN284732

Reed Petals S3R Doppler carbon Yamaha Aerox

18,00 €
In stock
RRP
23,00 €
-22% Discount
Sale
Stage6
Reed Valve Stage6 Viton Minarelli horizontal
Article no.: S6-3219066/VT
15

Reed Valve Stage6 Viton Minarelli horizontal

65,00 €
In stock soon
RRP
72,00 €
-10% Discount
Stage6
Reed Valve Stage6 Viton Piaggio
Article no.: S6-3219040/VT
8

Reed Valve Stage6 Viton Piaggio

65,00 €
In stock soon
RRP
72,00 €
-10% Discount
Stage6
Reed Valve Spacer 5° incline AM6 / Derbi Stage6 Black
Article no.: S6-3318811/BK

Reed Valve Spacer 5° incline AM6 / Derbi Stage6 Black

24,00 €
In stock soon
RRP
26,00 €
-8% Discount
Stage6
Intake Kit Stage6 MK2 24/35mm PHBG / PWK Piaggio
Article no.: S6-3214000
16

Intake Kit Stage6 MK2 24/35mm PHBG / PWK Piaggio

105,00 €
In stock soon
RRP
116,00 €
-9% Discount
Stage6
Intake Kit Stage6 MK2 Minarelli horizontal / China 2T
Article no.: S6-3216600
24

Intake Kit Stage6 MK2 Minarelli horizontal / China 2T

75,00 €
In stock soon
RRP
83,00 €
-10% Discount
Stage6
Reed Valve Stage6 R/T Viton AM6 / Derbi
Article no.: s6-3219088/VT
40

Reed Valve Stage6 R/T Viton AM6 / Derbi

65,00 €
In stock soon
RRP
72,00 €
-10% Discount
MotoForce
Reed Valve Motoforce Minarelli horizontal / China 2-stroke
Article no.: MF35.16600
1

Reed Valve Motoforce Minarelli horizontal / China 2-stroke

12,00 €
In stock soon
RRP
13,50 €
-11% Discount
MXS Racing
Reed Valve Spacer MXS Racing 5mm Minarelli horizontal
Article no.: MXS-0801
1

Reed Valve Spacer MXS Racing 5mm Minarelli horizontal

20,50 €
In stock soon
Standard Parts
Reed Valve Kymco Agility / Dink
Article no.: MF35.19500

Reed Valve Kymco Agility / Dink

20,50 €
In stock soon
MotoForce Racing
Reed Valve MotoForce Racing Evo Minarelli horizontal
Article no.: MF35.16602

Reed Valve MotoForce Racing Evo Minarelli horizontal

43,00 €
In stock soon
RRP
50,50 €
-15% Discount
MotoForce Racing
Reed Valve MotoForce Racing Minarelli horizontal / China 2T
Article no.: MF35.16604
7

Reed Valve MotoForce Racing Minarelli horizontal / China 2T

39,50 €
In stock soon
RRP
46,00 €
-14% Discount
Malossi
Reed Valve Malossi VL18 AM6 / Derbi
Article no.: M2715810.C0
1

Reed Valve Malossi VL18 AM6 / Derbi

68,00 €
In stock soon
RRP
70,00 €
-3% Discount
Malossi
Reed Valve Malossi MHR VL17 AM6 / Derbi
Article no.: M2714152.CO
11

Reed Valve Malossi MHR VL17 AM6 / Derbi

61,50 €
In stock soon
Doppler
Reed Valve Spacer Doppler 5mm Minarelli Blue
Article no.: CGN538405

Reed Valve Spacer Doppler 5mm Minarelli Blue

15,00 €
In stock soon
Malossi
Reed Petals Malossi carbon 0,30 / 0,35 / 0,40mm Derbi Euro 2 / Euro 3
Article no.: M2712431.C0
3

Reed Petals Malossi carbon 0,30 / 0,35 / 0,40mm Derbi Euro 2 / Euro 3

26,00 €
In stock soon
RRP
29,00 €
-10% Discount
KRM
Reed Valve Spacer 10mm KRM gold Minarelli AM6
Article no.: KR457F

Reed Valve Spacer 10mm KRM gold Minarelli AM6

25,00 €
In stock soon
KRM
Reed Valve Spacer 10mm KRM blue Minarelli AM6
Article no.: KR349F

Reed Valve Spacer 10mm KRM blue Minarelli AM6

24,00 €
In stock soon
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Reed valve

The reed valve is a component found only on 2-stroke engines. It controls cylinder filling and extends the usable RPM range of the engine. Without a reed valve, engines would be weaker at low RPM and would deliver power much more abruptly.

Well-known brands such as Moto Tassinari, Stage6, Italkit, Polini, or Malossi offer high-quality reed valves for the most common models.

Performance improvement via reed valve

A reed valve can improve performance across the entire RPM range, as the cylinder is filled more efficiently and a higher flow rate is possible.

The material and thickness of the reed petals (steel, fiberglass, carbon, epoxy composite) also influence behavior at low or high RPM. As a general rule:

  • Thicker = stiffer = less torque, but possible gains at high RPM
  • Thinner = more flexible = better acceleration, but losses at high RPM

It is recommended to test different options and select the setup that best suits the vehicle.

Reed valve spacers are also available, allowing the crankcase volume to be increased.

Choosing the right reed valve

When setting up an engine, especially on 50cc scooters and gear bikes, the reed valve should match the cylinder kit. The more powerful the cylinder, the greater the flow capacity required from the reed valve.

Many manufacturers offer so-called “big valve” kits for tuned scooters such as Yamaha Aerox or Piaggio Zip, where the original reed valve is very small.

On geared motorbikes with Minarelli AM6 or Derbi engines, installing a larger reed valve often requires modification of the crankcase. Please take this into account.

In the motocross segment, Moto Tassinari offers V-Force reed valves, which are easy to install and provide improved flow. The thickness of the reed blades is already optimized for many common models (KTM SX, Yamaha YZ, Honda CR, etc.).

To simplify installation, complete intake kits are also available, including intake manifold, reed valve, and additional components.

Replacement reed petals for cost-effective repair

The reed valve can be replaced entirely, but this is often not necessary. The reed petals, or reed blades, move very quickly and are subject to high loads. They should be replaced regularly when they are no longer sealing properly.

A wide range of reed petals made of carbon, fiberglass, or metal is available.

There are also carbon reed sheets, allowing you to cut reed petals to a desired size, for example for less common models.

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