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Reed Valves and Petals

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Product type
Carburetor kit Derestrictor kit Intake gasket Intake kit Intake spacer Reed petals Reed valve
Brand
Athena Barikit Derbi Doppler Easyboost Italkit KRM Malossi Metrakit Moose Racing MotoForce MotoForce Racing MVT MXS Racing Naraku Piaggio Polini Schmitt Stage6 Stage6 R/T Standard Parts V Force Voca Racing Yamaha
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Malossi
Reed Petals Malossi VL18 Carbon 0.30 / 45°
Article no.: M2718471E

Reed Petals Malossi VL18 Carbon 0.30 / 45°

9,40 €
In stock
RRP
12,00 €
-22% Discount
Doppler
Reed Valve Spacer Doppler 5mm Minarelli Blue
Article no.: CGN538405

Reed Valve Spacer Doppler 5mm Minarelli Blue

15,00 €
In stock
Polini
Reed Valve Polini Piaggio Ciao
Article no.: P213.0059

Reed Valve Polini Piaggio Ciao

26,00 €
In stock
RRP
38,00 €
-32% Discount
Italkit
Reed Valve and Intake Manifold Italkit KTM SX 65 after 2009
Article no.: IKLC.34.11

Reed Valve and Intake Manifold Italkit KTM SX 65 after 2009

90,00 €
In stock
Italkit
Reed Valve Italkit KTM / Husqvarna
Article no.: IKLC.34.60

Reed Valve Italkit KTM / Husqvarna

115,00 €
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

14,00 €
In stock
RRP
22,00 €
-36% Discount
Malossi
Reed Valve Malossi VL1 Peugeot 103
Article no.: M272356.K0

Reed Valve Malossi VL1 Peugeot 103

20,50 €
In stock
Polini
Reed Valve Polini PRE 100
Article no.: P213.0056

Reed Valve Polini PRE 100

78,50 €
In stock
RRP
90,00 €
-13% Discount
Doppler
Reed Valve Spacer Doppler 5mm black Minarelli horizontal
Article no.: CGN498841

Reed Valve Spacer Doppler 5mm black Minarelli horizontal

12,00 €
In stock
RRP
15,00 €
-20% Discount
Sale
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
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 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
KRM
Reed Valve Spacer 5mm KRM gold Derbi
Article no.: KR456F

Reed Valve Spacer 5mm KRM gold Derbi

22,00 €
In stock
Malossi
Reed Valve Malossi MHR VL16 Piaggio
Article no.: M2713719.C0

Reed Valve Malossi MHR VL16 Piaggio

56,00 €
In stock
RRP
70,00 €
-20% 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
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 Valve Polini Minarelli horizontal / China 2T
Article no.: P213.0046
1

Reed Valve Polini Minarelli horizontal / China 2T

59,00 €
In stock
RRP
64,00 €
-8% Discount
Malossi
Reed Valve Malossi VL11 Piaggio
Article no.: M277708.C0

Reed Valve Malossi VL11 Piaggio

49,00 €
In stock
RRP
59,00 €
-17% Discount
Sale
Malossi
Reed Valve Malossi VL10 Minarelli vertical
Article no.: M277441.C

Reed Valve Malossi VL10 Minarelli vertical

47,00 €
In stock
RRP
51,00 €
-8% Discount
Sale
Malossi
Reed Valve Malossi VL9 Peugeot Speedfight / Trekker
Article no.: M277440.C

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
1

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

16,00 €
In stock
17,00 €
-6% Discount
Sale
Malossi
Reed Valve Malossi VL14 Minarelli horizontal / China 2T
Article no.: M2711817.C0

Reed Valve Malossi VL14 Minarelli horizontal / China 2T

54,00 €
In stock
RRP
65,50 €
-18% 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

44,00 €
In stock
RRP
64,00 €
-31% 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 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 System Honda CR 85
Article no.: VFV4R81A

Reed Valve V-Force 4R System Honda CR 85

157,00 €
In stock
159,00 €
-1% 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

169,00 €
In stock
209,00 €
-19% Discount
Sale
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 Peugeot vertical / Honda
Article no.: MF35.17500

Reed Valve Motoforce Peugeot vertical / Honda

17,50 €
In stock soon
RRP
19,00 €
-8% Discount
Stage6
Intake Kit Stage6 MK2 Oversize 24/35MM PHBG / PWK Minarelli vertical
Article no.: S6-3216800

Intake Kit Stage6 MK2 Oversize 24/35MM PHBG / PWK Minarelli vertical

103,00 €
In stock soon
RRP
114,00 €
-10% 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 Spacer 10mm AM6 / Derbi Stage6 Yellow
Article no.: S6-3318809/YE

Reed Valve Spacer 10mm AM6 / Derbi Stage6 Yellow

25,00 €
In stock soon
RRP
27,00 €
-7% 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
Reed Valve Stage6 Viton Peugeot horizontal
Article no.: S6-3219078/VT
1

Reed Valve Stage6 Viton Peugeot horizontal

64,50 €
In stock soon
RRP
71,00 €
-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
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
Malossi
Carbon Fiber Sheets Malossi 0.30mm (100x100)
Article no.: M277366.C0

Carbon Fiber Sheets Malossi 0.30mm (100x100)

41,00 €
In stock soon
RRP
42,00 €
-2% Discount
Malossi
Reed Plates Malossi Karbonit 100x100mm 0.35 (x2)
Article no.: M277366.L0

Reed Plates Malossi Karbonit 100x100mm 0.35 (x2)

14,50 €
In stock soon
RRP
18,00 €
-19% Discount
Malossi
Reed Valve Malossi VL6 AM6 / Derbi
Article no.: M274235.C0

Reed Valve Malossi VL6 AM6 / Derbi

36,50 €
In stock soon
RRP
39,00 €
-6% Discount
Malossi
Reed Petals Malossi carbon 0,30 / 0,35 / 0,40mm Derbi Euro 2 / Euro 3
Article no.: M2712431.C0

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 red Minarelli AM6
Article no.: KR347F

Reed Valve Spacer 10mm KRM red Minarelli AM6

23,50 €
In stock soon
Malossi
Reed Valve Malossi VL13 Piaggio
Article no.: M279490.C0

Reed Valve Malossi VL13 Piaggio

61,00 €
In stock soon
RRP
63,00 €
-3% Discount
Stage6
Intake Kit Stage6 PWK 21mm Peugeot vertical
Article no.: S6-3917501

Intake Kit Stage6 PWK 21mm Peugeot vertical

215,10 €
Currently not in stock
239,00 €
-10% Set-Rabatt
Stage6 R/T
Intake Kit Stage6 R/T PWK 28mm Piaggio 50 - 180cc
Article no.: S6-3914010

Intake Kit Stage6 R/T PWK 28mm Piaggio 50 - 180cc

283,95 €
Currently not in stock
315,50 €
-10% Set-Rabatt
MXS Racing
Reed Valve Spacer MXS Racing 5mm Minarelli horizontal
Article no.: MXS-0801

Reed Valve Spacer MXS Racing 5mm Minarelli horizontal

20,50 €
Currently not in stock
MotoForce Racing
Carburetor Kit 21 PWK MotoForce Racing Minarelli vertical
Article no.: MF16.900104

Carburetor Kit 21 PWK MotoForce Racing Minarelli vertical

140,40 €
Currently not in stock
180,00 €
-22% Set-Rabatt
MotoForce Racing
Carburetor Kit 21 PWK MotoForce Racing Peugeot vertical
Article no.: MF16.900103

Carburetor Kit 21 PWK MotoForce Racing Peugeot vertical

165,62 €
Currently not in stock
169,00 €
-2% Set-Rabatt
MotoForce Racing
Carburetor Kit 28 PWK MotoForce Racing Minarelli horizontal
Article no.: MF16.900102

Carburetor Kit 28 PWK MotoForce Racing Minarelli horizontal

148,47 €
Currently not in stock
151,50 €
-2% Set-Rabatt
MotoForce Racing
Carburetor Kit 21 PWK MotoForce Racing Minarelli horizontal
Article no.: MF16.900101

Carburetor Kit 21 PWK MotoForce Racing Minarelli horizontal

161,70 €
Currently not in stock
165,00 €
-2% Set-Rabatt
Italkit
Reed Valve + Intake Manifold Italkit W-Force AM6
Article no.: IKLC44.400

Reed Valve + Intake Manifold Italkit W-Force AM6

99,00 €
Currently not in stock
Italkit
Reed Valve + Intake Manifold Italkit W-Force Derbi
Article no.: IKLC12.40

Reed Valve + Intake Manifold Italkit W-Force Derbi

92,50 €
Currently not in stock
Malossi
Reed Petals Malossi carbon 0.30 / 0.35 / 0.40mm Minarelli vertical
Article no.: M273549.C0

Reed Petals Malossi carbon 0.30 / 0.35 / 0.40mm Minarelli vertical

19,50 €
Currently not in stock
RRP
20,00 €
-3% Discount
Naraku
Intake Spacer Naraku Jet Flow GY6 139QMB/QMA
Article no.: NK200.04

Intake Spacer Naraku Jet Flow GY6 139QMB/QMA

15,50 €
Currently not in stock
Voca Racing
Reed Petals Voca Racing carbon 0.35mm Derbi Euro 2 / Euro 3
Article no.: VCR-RD132192/CA

Reed Petals Voca Racing carbon 0.35mm Derbi Euro 2 / Euro 3

19,50 €
Currently not in stock
RRP
23,00 €
-15% Discount
Voca Racing
Reed Petals Voca Racing carbon Biaxial 0.35mm Yamaha Aerox
Article no.: VCR-RD132166/CA

Reed Petals Voca Racing carbon Biaxial 0.35mm Yamaha Aerox

24,00 €
Currently not in stock
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123

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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