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Reed Valves and Petals

(99 products)
Carburetor and Intake Carburetors Intake Manifolds Reed Valves and Petals Carburetor Accessories Jets Fuel System Air filter Injection System
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Product type
Carburetor kit Intake kit Intake spacer Reed petals Reed valve
Brand
Barikit Doppler Easyboost Malossi MotoForce MotoForce Racing MVT MXS Custom MXS Racing Naraku Peugeot Piaggio Polini Stage6 Stage6 R/T Standard Parts Voca Racing Yamaha
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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
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
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
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
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
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
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
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
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

447,30 €
Currently not in stock
497,00 €
-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
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

94,50 €
Currently not in stock
RRP
133,00 €
-29% 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

154,35 €
Currently not in stock
157,50 €
-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

164,64 €
Currently not in stock
168,00 €
-2% Set-Rabatt
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 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
Voca Racing
Reed Petals Voca Racing carbon Biaxial 0.35mm Piaggio
Article no.: VCR-RD132140/CA

Reed Petals Voca Racing carbon Biaxial 0.35mm Piaggio

21,50 €
Currently not in stock
RRP
23,00 €
-7% Discount
Piaggio
Reed Valve original Piaggio Zip (OEM : 82774R)
Article no.: OE-PIA82774R

Reed Valve original Piaggio Zip (OEM : 82774R)

28,50 €
Currently not in stock
33,00 €
-14% Discount
Yamaha
Reed Valve Yamaha BW's / Slider
Article no.: OE-MAL2EX136100000

Reed Valve Yamaha BW's / Slider

56,00 €
Currently not in stock
Easyboost
Intake Kit Big Valve Easyboost Minarelli vertical
Article no.: EB012

Intake Kit Big Valve Easyboost Minarelli vertical

62,00 €
Currently not in stock
MXS Custom
Intake Kit Stage6 Bigvalve PHBG 21mm Peugeot Speedfight
Article no.: MS-PKMADMIPEUG
1

Intake Kit Stage6 Bigvalve PHBG 21mm Peugeot Speedfight

114,30 €
Currently not in stock
127,00 €
-10% Set-Rabatt
Easyboost
Reed Valve Spacer Easyboost 5mm Yamaha Aerox
Article no.: EB016

Reed Valve Spacer Easyboost 5mm Yamaha Aerox

16,50 €
Currently not in stock
Polini
Reed Valve Polini Piaggio
Article no.: P213.0055

Reed Valve Polini Piaggio

70,00 €
Currently not in stock
RRP
78,00 €
-10% Discount
Polini
Reed Petals Polini carbon fiber Piaggio NRG / Typhoon
Article no.: P213.0536

Reed Petals Polini carbon fiber Piaggio NRG / Typhoon

27,50 €
Currently not in stock
RRP
29,00 €
-5% Discount
Polini
Reed Petals Polini carbon fiber Peugeot Speedfight / Trekker
Article no.: P213.0534

Reed Petals Polini carbon fiber Peugeot Speedfight / Trekker

19,00 €
Currently not in stock
Polini
Reed Petals Polini carbon fiber Yamaha Aerox / MBK Nitro
Article no.: P213.0532

Reed Petals Polini carbon fiber Yamaha Aerox / MBK Nitro

27,00 €
Currently not in stock
RRP
29,00 €
-7% Discount
Polini
Reed Petals Polini Piaggio NRG / Typhoon
Article no.: P213.0525

Reed Petals Polini Piaggio NRG / Typhoon

18,00 €
Currently not in stock
RRP
19,00 €
-5% Discount
Malossi
Reed Valve Malossi VL14 Minarelli horizontal / China 2T
Article no.: M2711817.C0

Reed Valve Malossi VL14 Minarelli horizontal / China 2T

62,00 €
Currently not in stock
RRP
67,00 €
-7% Discount
Peugeot
Reed Valve Peugeot horizontal
Article no.: OE-PEU740584

Reed Valve Peugeot horizontal

66,00 €
Currently not in stock
Doppler
Reed Petals S3R Doppler carbon Yamaha Aerox
Article no.: CGN284732

Reed Petals S3R Doppler carbon Yamaha Aerox

23,00 €
Currently not in stock
MXS Racing
Intake Kit MXS Racing HighFlow AW 40mm PWK Minarelli horizontal
Article no.: MXS-012

Intake Kit MXS Racing HighFlow AW 40mm PWK Minarelli horizontal

295,00 €
Currently not in stock
Malossi
Reed Petals Carbon Malossi 0.30 / 0.35 / 0.40mm Peugeot vertical
Article no.: M272728.C0

Reed Petals Carbon Malossi 0.30 / 0.35 / 0.40mm Peugeot vertical

18,00 €
Currently not in stock
RRP
20,00 €
-10% Discount
Malossi
Reed Petals carbon 0.30mm (x2) for Malossi VL11 / Minarelli
Article no.: M278873.C0

Reed Petals carbon 0.30mm (x2) for Malossi VL11 / Minarelli

12,00 €
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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