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Reed Valves and Petals

(290 products)
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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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KRM
Reed Valve Spacer 5mm KRM AM6 dark blue
Article no.: KR689F

Reed Valve Spacer 5mm KRM AM6 dark blue

21,00 €
In stock
KRM
Reed Valve Spacer 10mm KRM AM6 dark blue
Article no.: KR688F

Reed Valve Spacer 10mm KRM AM6 dark blue

20,00 €
In stock
Sale
Voca Racing
Reed Valve Spacer 10mm Voca Yamaha DT 50 LC Portugal red
Article no.: VCR-RD13.SPC.130.RE

Reed Valve Spacer 10mm Voca Yamaha DT 50 LC Portugal red

21,00 €
In stock
RRP
22,00 €
-5% Discount
Voca Racing
Reed Valve Spacer 10mm Voca Yamaha DT 50 LC Portugal blue
Article no.: VCR-RD13.SPC.130.BL

Reed Valve Spacer 10mm Voca Yamaha DT 50 LC Portugal blue

21,00 €
In stock
RRP
22,00 €
-5% Discount
Polini
Reed Valve Polini PRE 100
Article no.: P213.0056

Reed Valve Polini PRE 100

78,50 €
In stock
RRP
90,00 €
-13% Discount
KRM
Reed Valve Spacer 10mm KRM AM6 Purple
Article no.: KR085F

Reed Valve Spacer 10mm KRM AM6 Purple

20,00 €
In stock
Sale
KRM
Reed Valve Spacer 5mm KRM Derbi Purple
Article no.: KR123F

Reed Valve Spacer 5mm KRM Derbi Purple

17,00 €
In stock
Sale
MotoForce Racing
Reed Valve MotoForce Racing Evo Peugeot Kisbee
Article no.: MF35.17802

Reed Valve MotoForce Racing Evo Peugeot Kisbee

49,00 €
In stock
RRP
61,00 €
-20% Discount
Sale
MotoForce Racing
Reed Valve MotoForce Racing Evo AM6 / Derbi
Article no.: MF35.18902

Reed Valve MotoForce Racing Evo AM6 / Derbi

45,00 €
In stock
RRP
50,50 €
-11% Discount
Sale
Doppler
Reed Valve Spacer Doppler 5mm black Minarelli horizontal
Article no.: CGN498841

Reed Valve Spacer Doppler 5mm black Minarelli horizontal

15,00 €
In stock
Polini
Reed Petals Polini carbon fiber 0,30mm Derbi Euro 2 / Euro 3
Article no.: P213.0527

Reed Petals Polini carbon fiber 0,30mm Derbi Euro 2 / Euro 3

16,50 €
In stock
RRP
19,00 €
-13% Discount
MotoForce Racing
Reed Valve Motoforce Racing Minarelli vertical
Article no.: MF35.16807

Reed Valve Motoforce Racing Minarelli vertical

40,50 €
In stock
MotoForce Racing
Reed Valve Motoforce Piaggio
Article no.: MF35.14003

Reed Valve Motoforce Piaggio

34,00 €
In stock
RRP
46,50 €
-27% Discount
Sale
MotoForce Racing
Reed Valve MotoForce Racing AM6 / Derbi
Article no.: MF35.18901

Reed Valve MotoForce Racing AM6 / Derbi

18,00 €
In stock
Polini
Reed Valve Polini Evolution carbon fiber Derbi
Article no.: P213.0051

Reed Valve Polini Evolution carbon fiber Derbi

55,00 €
In stock
RRP
66,00 €
-17% Discount
Sale
Polini
Reed Valve Polini Minarelli vertical
Article no.: P213.0050

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

Reed Valve Polini Peugeot Speedfight / Trekker

44,50 €
In stock
RRP
51,00 €
-13% Discount
Standard Parts
Reed Valve OEM quality Pocket Bike
Article no.: SP-184568

Reed Valve OEM quality Pocket Bike

4,10 €
In stock
Malossi
Reed Valve Malossi VL20 for Malossi crankcase Piaggio Ciao
Article no.: M2718442B

Reed Valve Malossi VL20 for Malossi crankcase Piaggio Ciao

59,00 €
In stock
RRP
60,00 €
-2% 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

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

62,00 €
In stock
RRP
67,00 €
-7% Discount
KRM
Reed Valve Spacer 10mm KRM pink Minarelli AM6
Article no.: KR459F

Reed Valve Spacer 10mm KRM pink Minarelli AM6

20,00 €
In stock
Sale
KRM
Reed Valve Spacer 5mm KRM pink Derbi
Article no.: KR458F

Reed Valve Spacer 5mm KRM pink Derbi

17,00 €
In stock
Sale
KRM
Reed Valve Spacer 5mm KRM gold Derbi
Article no.: KR456F

Reed Valve Spacer 5mm KRM gold Derbi

17,00 €
In stock
Sale
KRM
Reed Valve Spacer 5mm KRM blue Derbi
Article no.: KR348F

Reed Valve Spacer 5mm KRM blue Derbi

17,00 €
In stock
Sale
MotoForce Racing
Intake Kit Motoforce Racing 35mm PWK / VHST Piaggio 50-180cc
Article no.: MF36.14001

Intake Kit Motoforce Racing 35mm PWK / VHST Piaggio 50-180cc

83,00 €
In stock
Polini
Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal
Article no.: P215.0410

Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal

126,00 €
In stock
RRP
147,00 €
-14% Discount
Polini
Reed Petals Polini carbon fiber Yamaha BW's / Slider / MBK
Article no.: P213.0530

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

15,00 €
In stock
RRP
19,00 €
-21% Discount
Sale
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
MotoForce Racing
Intake Kit Motoforce Racing PWK 21mm Piaggio 50 - 180
Article no.: MF66.164001

Intake Kit Motoforce Racing PWK 21mm Piaggio 50 - 180

124,65 €
In stock
RRP
149,00 €
-16% Discount
MVT
Intake Kit MVT S-Race 24mm PHBG Derbi Euro 2 / 3 / 4
Article no.: MVT-CL2

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

47,00 €
In stock
RRP
64,00 €
-27% Discount
Sale
MVT
Intake Kit MVT S-Race 24mm PHBG Minarelli AM6
Article no.: MVT-CL1

Intake Kit MVT S-Race 24mm PHBG Minarelli AM6

47,00 €
In stock
RRP
64,00 €
-27% Discount
Sale
Standard Parts
Reed Valve Malossi VL5 Honda MTX 80 / Yamaha DT 80
Article no.: M273407C0

Reed Valve Malossi VL5 Honda MTX 80 / Yamaha DT 80

45,00 €
In stock
V Force
reed Valve Gasket V-Force KX 500
Article no.: VFG150

reed Valve Gasket V-Force KX 500

9,10 €
In stock
V Force
reed Valve Gasket V-Force KX 80 / KX 85
Article no.: VFG384

reed Valve Gasket V-Force KX 80 / KX 85

8,80 €
In stock
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

90,50 €
In stock
V Force
Reed Petals V-Force 3 KX 80 / 85
Article no.: VF3P411H

Reed Petals V-Force 3 KX 80 / 85

89,50 €
In stock
V Force
Reed Valve V-Force 4 Yamaha YZ125
Article no.: VFV4R04

Reed Valve V-Force 4 Yamaha YZ125

193,00 €
In stock
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

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

Reed Valve V-Force 4R Honda CR 125

199,00 €
In stock
V Force
Reed Valve V-Force 4R System Honda CR 85
Article no.: VFV4R81A

Reed Valve V-Force 4R System Honda CR 85

199,00 €
In stock
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

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

Reed Valve V-Force 4Ri System Suzuki RM 85

215,00 €
In stock
Doppler
Reed Petals S3R Doppler carbon Yamaha Aerox
Article no.: CGN284732

Reed Petals S3R Doppler carbon Yamaha Aerox

19,00 €
In stock
RRP
23,00 €
-17% Discount
Sale
MotoForce
Reed Valve Motoforce Minarelli horizontal / China 2-stroke
Article no.: MF35.16600

Reed Valve Motoforce Minarelli horizontal / China 2-stroke

12,00 €
In stock soon
RRP
13,50 €
-11% Discount
Stage6
Reed Valve Stage6 Viton Minarelli horizontal
Article no.: S6-3219066/VT

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

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

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
1

Intake Kit Stage6 MK2 Minarelli horizontal / China 2T

75,00 €
In stock soon
RRP
83,00 €
-10% Discount
MXS Racing
Reed Valve Spacer MXS Racing 5mm Minarelli horizontal
Article no.: MXS-0801

Reed Valve Spacer MXS Racing 5mm Minarelli horizontal

20,50 €
In stock soon
Malossi
Reed Valve Malossi VL18 AM6 / Derbi
Article no.: M2715810.C0

Reed Valve Malossi VL18 AM6 / Derbi

68,00 €
In stock soon
RRP
70,00 €
-3% Discount
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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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