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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 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 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

21,50 €
In stock
Malossi
Reed Valve Malossi MHR VL16 Piaggio
Article no.: M2713719.C0

Reed Valve Malossi MHR VL16 Piaggio

69,50 €
In stock
RRP
70,00 €
-1% Discount
Malossi
Reed Valve Malossi VL7 for mopeds
Article no.: M275034.K0

Reed Valve Malossi VL7 for mopeds

22,00 €
In stock
RRP
26,00 €
-15% 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)

10,00 €
In stock
RRP
12,00 €
-17% Discount
Sale
Malossi
Reed Petals Malossi VL1 Peugeot 103
Article no.: M272356.C0

Reed Petals Malossi VL1 Peugeot 103

22,00 €
In stock
RRP
23,00 €
-4% Discount
Polini
Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal
Article no.: P215.0410

Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal

118,00 €
In stock
RRP
147,00 €
-20% Discount
Sale
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

17,50 €
In stock
RRP
19,00 €
-8% 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
Polini
Reed Valve Polini AM6
Article no.: P213.0036

Reed Valve Polini AM6

49,00 €
In stock
RRP
60,00 €
-18% Discount
Sale
Malossi
Reed Valve Malossi VL13 Piaggio
Article no.: M279490.C0

Reed Valve Malossi VL13 Piaggio

55,00 €
In stock
RRP
63,00 €
-13% Discount
Sale
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

Reed Valve Malossi VL10 Minarelli vertical

50,00 €
In stock
RRP
51,00 €
-2% Discount
Sale
Malossi
Reed Valve Malossi VL9 Peugeot Speedfight / Trekker
Article no.: M277440.C

Reed Valve Malossi VL9 Peugeot Speedfight / Trekker

58,00 €
In stock
Sale
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

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

Reed Valve Malossi VL14 Minarelli horizontal / China 2T

59,00 €
In stock
RRP
67,00 €
-12% Discount
Sale
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

48,00 €
In stock
RRP
64,00 €
-25% 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

180,00 €
In stock
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

177,00 €
In stock
209,00 €
-15% Discount
Sale
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
Stage6
Intake Kit Stage6 MK2 Peugeot vertical
Article no.: S6-3217500
6

Intake Kit Stage6 MK2 Peugeot vertical

79,00 €
In stock soon
RRP
87,00 €
-9% Discount
Stage6
Reed Valve Stage6 R/T Viton AM6 / Derbi
Article no.: s6-3219088/VT

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

Reed Valve Motoforce Minarelli horizontal / China 2-stroke

12,00 €
In stock soon
RRP
13,50 €
-11% 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 Minarelli horizontal / China 2T
Article no.: MF35.16604

Reed Valve MotoForce Racing Minarelli horizontal / China 2T

39,50 €
In stock soon
RRP
46,00 €
-14% Discount
MotoForce Racing
Reed Valve Motoforce Racing Piaggio
Article no.: MF35.14003

Reed Valve Motoforce Racing Piaggio

40,00 €
In stock soon
RRP
46,50 €
-14% Discount
MotoForce Racing
Reed Valve MotoForce Racing AM6 / Derbi
Article no.: MF35.18901

Reed Valve MotoForce Racing AM6 / Derbi

18,00 €
In stock soon
Doppler
Reed Petals Doppler S2R fiberglass Minarelli / China 2T
Article no.: CGN440166

Reed Petals Doppler S2R fiberglass Minarelli / China 2T

10,50 €
In stock soon
RRP
11,00 €
-5% Discount
Malossi
Reed Petals Malossi karbonit 0.3 / 0.35 Minarelli vertical
Article no.: M273547BK

Reed Petals Malossi karbonit 0.3 / 0.35 Minarelli vertical

4,90 €
In stock soon
RRP
5,50 €
-11% Discount
Malossi
Reed Petals Malossi VL11 Carbon 0.3 / 0.35 / 0.4 Minarelli
Article no.: M277054.C0

Reed Petals Malossi VL11 Carbon 0.3 / 0.35 / 0.4 Minarelli

21,00 €
In stock soon
RRP
24,00 €
-13% Discount
Malossi
Reed Petals Karbonit 0.30mm Malossi Peugeot Speedfight x2
Article no.: M272728.O0

Reed Petals Karbonit 0.30mm Malossi Peugeot Speedfight x2

6,50 €
In stock soon
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 gold Minarelli AM6
Article no.: KR457F

Reed Valve Spacer 10mm KRM gold Minarelli AM6

23,00 €
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
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 VL12 Minarelli horizontal / Morini
Article no.: M277731.C0

Reed Valve Malossi VL12 Minarelli horizontal / Morini

54,00 €
In stock soon
RRP
61,00 €
-11% Discount
MVT
Intake Kit MVT S-Race 24mm PHBG Minarelli AM6
Article no.: MVT-CL1

Intake Kit MVT S-Race 24mm PHBG Minarelli AM6

54,00 €
In stock soon
RRP
64,00 €
-16% Discount
Stage6
Carburetor Kit Stage6 PWK 21mm Minarelli vertical
Article no.: MS-PKMADMI1

Carburetor Kit Stage6 PWK 21mm Minarelli vertical

236,70 €
Currently not in stock
263,00 €
-10% Set-Rabatt
Stage6
Reed Valve Spacer 10mm AM6 / Derbi Stage6 Yellow
Article no.: S6-3318809/YE

Reed Valve Spacer 10mm AM6 / Derbi Stage6 Yellow

25,00 €
Currently not in stock
RRP
27,00 €
-7% 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
Intake Kit Stage6 PWK 21mm Minarelli / China 2-stroke
Article no.: S6-3916601

Intake Kit Stage6 PWK 21mm Minarelli / China 2-stroke

211,50 €
Currently not in stock
235,00 €
-10% Set-Rabatt
Stage6
Intake Kit Stage6 PWK 21mm Piaggio 50 - 180cc
Article no.: S6-3914001

Intake Kit Stage6 PWK 21mm Piaggio 50 - 180cc

238,50 €
Currently not in stock
265,00 €
-10% Set-Rabatt
Stage6 R/T
Intake Kit Stage6 R/T PWK 28mm Minarelli / Yamaha Aerox
Article no.: S6-3916610

Intake Kit Stage6 R/T PWK 28mm Minarelli / Yamaha Aerox

433,80 €
Currently not in stock
482,00 €
-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

295,20 €
Currently not in stock
328,00 €
-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
MXS Racing
Intake Kit Big Valve MXS Racing 35mm (PWK / VHST) + Stage6 reed valve Minarelli vertical
Article no.: MS-PKMMXS010/2

Intake Kit Big Valve MXS Racing 35mm (PWK / VHST) + Stage6 reed valve Minarelli vertical

120,60 €
Currently not in stock
RRP
133,00 €
-9% Discount
MotoForce Racing
Carburetor Kit 21 PWK MotoForce Racing Peugeot vertical
Article no.: MF16.900103

Carburetor Kit 21 PWK MotoForce Racing Peugeot vertical

168,56 €
Currently not in stock
172,00 €
-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

158,76 €
Currently not in stock
162,00 €
-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

164,64 €
Currently not in stock
168,00 €
-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
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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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