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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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Malossi
Reed Valve Malossi VL14 Minarelli horizontal / China 2T
Article no.: M2711817.C0
29

Reed Valve Malossi VL14 Minarelli horizontal / China 2T

62,00 €
In stock
RRP
67,00 €
-7% Discount
Doppler
Reed Petals S3R Doppler carbon Yamaha Aerox
Article no.: CGN284732

Reed Petals S3R Doppler carbon Yamaha Aerox

20,00 €
In stock
RRP
23,00 €
-13% 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
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
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 OEM quality Kymco Agility / Dink
Article no.: MF35.19500

Reed Valve OEM quality 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
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 Valve Malossi VL13 Piaggio
Article no.: M279490.C0
1

Reed Valve Malossi VL13 Piaggio

61,00 €
In stock soon
RRP
63,00 €
-3% Discount
Stage6
Carburetor Kit Stage6 PWK 21mm Minarelli vertical
Article no.: MS-PKMADMI1
1

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

452,70 €
Currently not in stock
503,00 €
-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

300,60 €
Currently not in stock
334,00 €
-10% Set-Rabatt
MXS Racing
Intake Kit Big Valve MXS Racing 35mm (PWK / VHST) + Stage6 reed valve Minarelli vertical
Article no.: MS-PKMMXS010/2
4

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
MXS Racing
Intake Kit Big Valve MXS Racing HighFlow 35mm PWK / VHST Minarelli vertical
Article no.: MS-PKMMXS010/1
5

Intake Kit Big Valve MXS Racing HighFlow 35mm PWK / VHST Minarelli vertical

159,60 €
Currently not in stock
168,00 €
-5% Set-Rabatt
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
1

Reed Petals Voca Racing carbon Biaxial 0.35mm Yamaha Aerox

24,00 €
Currently not in stock
Doppler
Reed Valve Spacer Doppler 5mm black Minarelli horizontal
Article no.: CGN498841

Reed Valve Spacer Doppler 5mm black Minarelli horizontal

15,00 €
Currently not in stock
Polini
Reed Valve Polini Minarelli vertical
Article no.: P213.0050
22

Reed Valve Polini Minarelli vertical

49,00 €
Currently not in stock
RRP
51,00 €
-4% 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
1

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
6

Reed Petals Polini carbon fiber Yamaha Aerox / MBK Nitro

27,00 €
Currently not in stock
RRP
29,00 €
-7% Discount
Polini
Reed Valve Polini Minarelli horizontal / China 2T
Article no.: P213.0046
13

Reed Valve Polini Minarelli horizontal / China 2T

59,00 €
Currently not in stock
RRP
64,00 €
-8% Discount
Peugeot
Reed Valve Peugeot horizontal
Article no.: OE-PEU740584

Reed Valve Peugeot horizontal

66,00 €
Currently not in stock
Stage6
Reed Valve V-Force 3 Stage6 KX85
Article no.: S6-3219003

Reed Valve V-Force 3 Stage6 KX85

206,00 €
Currently not in stock
RRP
228,00 €
-10% Discount
Stage6
Reed Valve Stage6 VFORCE 3 Piaggio / Gilera / Vespa
Article no.: S6-3219002
17

Reed Valve Stage6 VFORCE 3 Piaggio / Gilera / Vespa

95,00 €
Currently not in stock
RRP
105,00 €
-10% Discount
Stage6
Reed Valve Stage6 VFORCE 3 Minarelli horizontal
Article no.: S6-3219000
21

Reed Valve Stage6 VFORCE 3 Minarelli horizontal

90,00 €
Currently not in stock
RRP
100,00 €
-10% Discount
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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