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Reed Valves and Petals

(226 products)
Carburetors Intake Manifolds Reed Valves and Petals Carburetor Accessories Jets Fuel System Air filter Injection System
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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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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

160,00 €
In stock
Sale
Doppler
Reed Petals S3R Doppler carbon Yamaha Aerox
Article no.: CGN284732

Reed Petals S3R Doppler carbon Yamaha Aerox

23,00 €
In stock
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
MotoForce
Reed Valve Motoforce Peugeot horizontal
Article no.: MF35.17800
3

Reed Valve Motoforce Peugeot horizontal

14,00 €
In stock soon
RRP
15,50 €
-10% Discount
MotoForce
Reed Valve Motoforce Peugeot vertical / Honda
Article no.: MF35.17500
3

Reed Valve Motoforce Peugeot vertical / Honda

17,50 €
In stock soon
RRP
19,00 €
-8% Discount
Stage6
Reed Valve Spacer 10mm AM6 / Derbi Stage6 purple
Article no.: S6-3318809/PU

Reed Valve Spacer 10mm AM6 / Derbi Stage6 purple

25,00 €
In stock soon
RRP
27,00 €
-7% Discount
Stage6
Reed Valve Spacer 5° incline AM6 / Derbi Stage6 purple
Article no.: S6-3318811/PU

Reed Valve Spacer 5° incline AM6 / Derbi Stage6 purple

24,00 €
In stock soon
RRP
26,00 €
-8% Discount
Stage6
Reed Valve Spacer 5mm AM6 / Derbi Stage6 Red
Article no.: S6-3318810/RE

Reed Valve Spacer 5mm AM6 / Derbi Stage6 Red

25,00 €
In stock soon
RRP
27,00 €
-7% 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 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
Piaggio
Reed Valve original Piaggio Zip (OEM : 82775R)
Article no.: OE-PIA82775R
2

Reed Valve original Piaggio Zip (OEM : 82775R)

51,00 €
In stock soon
Piaggio
Reed Valve original Piaggio Zip (OEM : 82774R)
Article no.: OE-PIA82774R

Reed Valve original Piaggio Zip (OEM : 82774R)

28,50 €
In stock soon
33,00 €
-14% Discount
Standard Parts
Reed Valve MBK 51
Article no.: CGN4067
1

Reed Valve MBK 51

6,70 €
In stock soon
Malossi
Carbon Fiber Sheets Malossi 0.30mm (100x100)
Article no.: M277366.C0
4

Carbon Fiber Sheets Malossi 0.30mm (100x100)

41,00 €
In stock soon
RRP
42,00 €
-2% Discount
Metrakit
Reed Valve Metrakit VForce V4X AM6 / Derbi
Article no.: MK924C0080

Reed Valve Metrakit VForce V4X AM6 / Derbi

119,00 €
In stock soon
Malossi
Reed Petals Malossi karbonit 0.3 / 0.35 Minarelli vertical
Article no.: M273547BK
1

Reed Petals Malossi karbonit 0.3 / 0.35 Minarelli vertical

4,90 €
In stock soon
RRP
5,50 €
-11% 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
KRM
Reed Valve Spacer 5mm KRM AM6 dark blue
Article no.: KR689F

Reed Valve Spacer 5mm KRM AM6 dark blue

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

Reed Valve Spacer 10mm KRM AM6 dark blue

23,50 €
In stock soon
KRM
Reed Valve Spacer 10mm KRM AM6 Purple
Article no.: KR085F

Reed Valve Spacer 10mm KRM AM6 Purple

23,00 €
In stock soon
KRM
Reed Valve Spacer 5mm KRM Derbi Purple
Article no.: KR123F

Reed Valve Spacer 5mm KRM Derbi Purple

21,00 €
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 Evo AM6 / Derbi
Article no.: MF35.18902

Reed Valve MotoForce Racing Evo AM6 / Derbi

50,50 €
In stock soon
Malossi
Reed Valve Malossi VL6 AM6 / Derbi
Article no.: M274235.C0
86

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
3

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 pink Minarelli AM6
Article no.: KR459F

Reed Valve Spacer 10mm KRM pink Minarelli AM6

24,50 €
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 5mm KRM blue Derbi
Article no.: KR348F

Reed Valve Spacer 5mm KRM blue Derbi

21,50 €
In stock soon
KRM
Reed Valve Spacer 5mm KRM red Derbi
Article no.: KR346F

Reed Valve Spacer 5mm KRM red Derbi

21,00 €
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
Intake Kit Stage6 PWK 21mm Minarelli / China 2-stroke
Article no.: S6-3916601

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

182,70 €
Currently not in stock
203,00 €
-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

440,10 €
Currently not in stock
489,00 €
-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

273,60 €
Currently not in stock
304,00 €
-10% Set-Rabatt
Standard Parts
Reed Valve Kymco Agility / Dink
Article no.: MF35.19500

Reed Valve Kymco Agility / Dink

20,50 €
Currently not in stock
Italkit
Reed Valve + Intake Manifold Italkit W-Force AM6
Article no.: IKLC44.400
3

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
1

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
1

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
2

Reed Petals Voca Racing carbon Biaxial 0.35mm Piaggio

21,50 €
Currently not in stock
RRP
23,00 €
-7% Discount
Derbi
Reed Valve Derbi Euro 3 (D50B0)
Article no.: OE-DE847092

Reed Valve Derbi Euro 3 (D50B0)

45,00 €
Currently not in stock
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
3

Intake Kit Big Valve Easyboost Minarelli vertical

62,00 €
Currently not in stock
Doppler
Reed Petals for Doppler reed valve ER2 fiberglass AM6
Article no.: CGN440167

Reed Petals for Doppler reed valve ER2 fiberglass AM6

10,50 €
Currently not in stock
RRP
11,00 €
-5% Discount
Doppler
Reed Petals Doppler reed valve S2R Minarelli vertical
Article no.: CGN440164
4

Reed Petals Doppler reed valve S2R Minarelli vertical

10,50 €
Currently not in stock
RRP
11,00 €
-5% Discount
Easyboost
Reed Valve Spacer Easyboost 5mm AM6 / Derbi Euro 2 / 3 / 4
Article no.: EB015
2

Reed Valve Spacer Easyboost 5mm AM6 / Derbi Euro 2 / 3 / 4

16,50 €
Currently not in stock
Polini
Reed Valve Polini Piaggio
Article no.: P213.0055
3

Reed Valve Polini Piaggio

70,00 €
Currently not in stock
RRP
78,00 €
-10% Discount
Malossi
Reed valve Malossi VL5 Yamaha DT80
Article no.: M273407.C0

Reed valve Malossi VL5 Yamaha DT80

32,50 €
Currently not in stock
RRP
41,00 €
-21% Discount
Malossi
Reed Plates Malossi Karbonit 100x100mm 0.4 (x2)
Article no.: M277366.M0

Reed Plates Malossi Karbonit 100x100mm 0.4 (x2)

16,50 €
Currently not in stock
RRP
21,00 €
-21% Discount
Malossi
Reed Plates Malossi Karbonit 100x100mm 0.30 (x2)
Article no.: M277366.K0

Reed Plates Malossi Karbonit 100x100mm 0.30 (x2)

12,50 €
Currently not in stock
RRP
16,00 €
-22% 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 €
Currently not in stock
RRP
24,00 €
-13% Discount
Malossi
Reed Petals Malossi VL6 Karbonit 0.3
Article no.: M275614.O0

Reed Petals Malossi VL6 Karbonit 0.3

5,60 €
Currently not in stock
RRP
6,60 €
-15% Discount
Malossi
Reed Petals Malossi VL9 / VL12 Karbonit 0.3 / 0.35
Article no.: M278118.K0

Reed Petals Malossi VL9 / VL12 Karbonit 0.3 / 0.35

15,00 €
Currently not in stock
RRP
19,00 €
-21% Discount
Malossi
Reed Petals Malossi VL18 Carbon 0.30 / 45°
Article no.: M2718471E

Reed Petals Malossi VL18 Carbon 0.30 / 45°

9,40 €
Currently not in stock
RRP
12,00 €
-22% Discount
MotoForce Racing
Carburetor Kit 21 PWK MotoForce Racing Minarelli vertical
Article no.: MF16.900104
1

Carburetor Kit 21 PWK MotoForce Racing Minarelli vertical

139,23 €
Currently not in stock
178,50 €
-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

164,15 €
Currently not in stock
167,50 €
-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
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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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