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Reed Valves and Petals

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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 Custom MXS Racing Naraku Peugeot Piaggio Polini Schmitt Stage6 Stage6 R/T Standard Parts V Force Voca Racing Yamaha
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Malossi
Reed Petals Malossi Karbonit 0.30 Honda / Sym
Article no.: M271090.O0

Reed Petals Malossi Karbonit 0.30 Honda / Sym

5,30 €
In stock
RRP
6,60 €
-20% Discount
Malossi
Reed Petals Malossi VL20 Carbon 0.30 / 45°
Article no.: M2718443E

Reed Petals Malossi VL20 Carbon 0.30 / 45°

8,00 €
In stock
RRP
10,00 €
-20% Discount
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
Malossi
Reed Valve Malossi VL1 Peugeot 103
Article no.: M272356.K0

Reed Valve Malossi VL1 Peugeot 103

16,00 €
In stock
Sale
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
RRP
29,00 €
-10% Discount
Malossi
Reed Petals Malossi carbon 0.30 / 0.35 / 0.40mm AM6
Article no.: M2712430.C0

Reed Petals Malossi carbon 0.30 / 0.35 / 0.40mm AM6

24,00 €
In stock
Sale
Malossi
Reed Petals Malossi VL13 0.30mm 90° x2
Article no.: M279488.C0

Reed Petals Malossi VL13 0.30mm 90° x2

14,00 €
In stock
20,50 €
-32% Discount
Sale
Malossi
Reed Petals Malossi VL13 0.30mm (45°) x2
Article no.: M2711798.C0

Reed Petals Malossi VL13 0.30mm (45°) x2

21,00 €
In stock
26,50 €
-21% Discount
Sale
Malossi
Reed Valve Malossi MHR VL16 Piaggio
Article no.: M2713719.C0

Reed Valve Malossi MHR VL16 Piaggio

59,00 €
In stock
RRP
70,00 €
-16% Discount
Sale
Malossi
Reed Valve Malossi VL7 for mopeds
Article no.: M275034.K0

Reed Valve Malossi VL7 for mopeds

25,50 €
In stock
RRP
26,00 €
-2% Discount
Malossi
Reed Petals Malossi VL1 Peugeot 103
Article no.: M272356.C0

Reed Petals Malossi VL1 Peugeot 103

20,00 €
In stock
RRP
23,00 €
-13% Discount
Sale
Malossi
Reed Valve Malossi VL13 Piaggio
Article no.: M279490.C0

Reed Valve Malossi VL13 Piaggio

61,00 €
In stock
RRP
63,00 €
-3% Discount
Malossi
Reed Valve Malossi VL12 Minarelli horizontal / Morini
Article no.: M277731.C0

Reed Valve Malossi VL12 Minarelli horizontal / Morini

54,00 €
In stock
RRP
61,00 €
-11% Discount
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

52,50 €
In stock
Malossi
Reed Valve Malossi VL9 Peugeot Speedfight / Trekker
Article no.: M277440.C

Reed Valve Malossi VL9 Peugeot Speedfight / Trekker

56,00 €
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

19,50 €
In stock
Malossi
Reed Valve Malossi VL14 Minarelli horizontal / China 2T
Article no.: M2711817.C0

Reed Valve Malossi VL14 Minarelli horizontal / China 2T

62,00 €
In stock
RRP
67,00 €
-7% Discount
Moose Racing
Gasket Kit reed valve Moose Racing RM 1991-2008 / YZ 125 1990-1994
Article no.: MRM56008301

Gasket Kit reed valve Moose Racing RM 1991-2008 / YZ 125 1990-1994

19,50 €
In stock
RRP
50,50 €
-61% Discount
Moose Racing
Spacer / Gasket Kit reed valve Moose Racing YZ 85
Article no.: MRM56006401

Spacer / Gasket Kit reed valve Moose Racing YZ 85

38,00 €
In stock
RRP
48,50 €
-22% Discount
Doppler
Reed Valve Spacer Doppler 5mm red Derbi / Minarelli AM6
Article no.: CGN494635

Reed Valve Spacer Doppler 5mm red Derbi / Minarelli AM6

12,00 €
In stock
RRP
15,00 €
-20% Discount
Sale
Doppler
Reed Valve Spacer Doppler 5mm black Derbi / Minarelli AM6
Article no.: CGN494634

Reed Valve Spacer Doppler 5mm black Derbi / Minarelli AM6

12,00 €
In stock
RRP
15,00 €
-20% Discount
Sale
CBE
Stuffer Insert f. reed valve Bidalot G2B CBE d.25mm
Article no.: CBE-DIFF-G2B-25

Stuffer Insert f. reed valve Bidalot G2B CBE d.25mm

25,00 €
In stock
Italkit
Reed Valve + Intake Manifold Italkit W-Force AM6
Article no.: IKLC44.400

Reed Valve + Intake Manifold Italkit W-Force AM6

99,00 €
In stock
Polini
Reed valve for carburettor Big Valve Kymco Sniper
Article no.: P213.0042

Reed valve for carburettor Big Valve Kymco Sniper

28,00 €
In stock
RRP
65,00 €
-57% Discount
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 €
In stock
RRP
23,00 €
-7% Discount
Polini
Intake Kit Polini 23mm PHBG Piaggio APE 50ccm
Article no.: P215.0271

Intake Kit Polini 23mm PHBG Piaggio APE 50ccm

99,00 €
In stock
RRP
116,00 €
-15% Discount
Derbi
Reed Valve Derbi Euro 3 (D50B0)
Article no.: OE-DE847092

Reed Valve Derbi Euro 3 (D50B0)

45,00 €
In stock
Piaggio
Reed Valve original Piaggio Zip (OEM : 82775R)
Article no.: OE-PIA82775R

Reed Valve original Piaggio Zip (OEM : 82775R)

33,50 €
In stock
Piaggio
Reed Valve original Piaggio Zip (OEM : 82774R)
Article no.: OE-PIA82774R

Reed Valve original Piaggio Zip (OEM : 82774R)

28,50 €
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 €
In stock
Easyboost
Intake Kit Big Valve Easyboost Minarelli vertical
Article no.: EB012

Intake Kit Big Valve Easyboost Minarelli vertical

62,00 €
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

112,50 €
In stock
125,00 €
-10% Set-Rabatt
Standard Parts
Reed Valve Peugeot 103
Article no.: CGN635

Reed Valve Peugeot 103

5,30 €
In stock
Standard Parts
Reed Valve MBK 51
Article no.: CGN4067

Reed Valve MBK 51

6,70 €
In stock
Doppler
Reed Petals Doppler reed valve S2R Piaggio
Article no.: CGN440176

Reed Petals Doppler reed valve S2R Piaggio

8,00 €
In stock
RRP
11,00 €
-27% Discount
Sale
Doppler
Reed Petals for Doppler reed valve ER2 fiberglass Derbi
Article no.: CGN440168

Reed Petals for Doppler reed valve ER2 fiberglass Derbi

8,00 €
In stock
RRP
11,00 €
-27% Discount
Sale
Doppler
Reed Petals Doppler S2R fiberglass Minarelli / China 2T
Article no.: CGN440166

Reed Petals Doppler S2R fiberglass Minarelli / China 2T

10,50 €
In stock
RRP
11,00 €
-5% Discount
Doppler
Reed Petals Doppler reed valve S2R Peugeot stehend
Article no.: CGN440165

Reed Petals Doppler reed valve S2R Peugeot stehend

8,00 €
In stock
RRP
11,00 €
-27% Discount
Sale
Doppler
Reed Petals Doppler reed valve S2R Minarelli vertical
Article no.: CGN440164

Reed Petals Doppler reed valve S2R Minarelli vertical

10,50 €
In stock
RRP
11,00 €
-5% Discount
Easyboost
Reed Valve Spacer Easyboost 5mm Yamaha Aerox
Article no.: EB016

Reed Valve Spacer Easyboost 5mm Yamaha Aerox

16,50 €
In stock
Easyboost
Reed Valve Spacer Easyboost 5mm AM6 / Derbi Euro 2 / 3 / 4
Article no.: EB015

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

16,50 €
In stock
Polini
Carbon Fiber Sheet Polini (110x110)
Article no.: P213.06_PLAQUE_CARBONE

Carbon Fiber Sheet Polini (110x110)

29,00 €
In stock
44,00 €
-34% Discount
MVT
Intake System MVT Racing 35mm PWK / VHST Minarelli vertical
Article no.: MVT-CL80

Intake System MVT Racing 35mm PWK / VHST Minarelli vertical

47,00 €
In stock
RRP
64,00 €
-27% Discount
Sale
Barikit
Carbon Fiber Sheet Barikit 0.35mm
Article no.: BAR-PLA-01

Carbon Fiber Sheet Barikit 0.35mm

16,00 €
In stock
Polini
Reed Valve Polini Piaggio
Article no.: P213.0055

Reed Valve Polini Piaggio

70,00 €
In stock
RRP
78,00 €
-10% Discount
MVT
Intake Kit MVT 24-28mm AM6
Article no.: MVT-CL10
1

Intake Kit MVT 24-28mm AM6

54,00 €
In stock
RRP
64,00 €
-16% Discount
Metrakit
Reed Valve Metrakit VForce V4R Honda CR85 / Derbi
Article no.: MK924C0100

Reed Valve Metrakit VForce V4R Honda CR85 / Derbi

179,00 €
In stock
New
Metrakit
Reed Valve Metrakit VForce V4X AM6 / Derbi
Article no.: MK924C0080

Reed Valve Metrakit VForce V4X AM6 / Derbi

119,00 €
In stock
New
MotoForce Racing
Carburetor Kit 21 PHBG MotoForce Racing Minarelli vertical
Article no.: MF16.900105

Carburetor Kit 21 PHBG MotoForce Racing Minarelli vertical

158,27 €
In stock
161,50 €
-2% Set-Rabatt
MotoForce Racing
Carburetor Kit 21 PWK MotoForce Racing Minarelli vertical
Article no.: MF16.900104

Carburetor Kit 21 PWK MotoForce Racing Minarelli vertical

138,06 €
In stock
177,00 €
-22% Set-Rabatt
Polini
Reed Valve Polini Piaggio Ciao
Article no.: P213.0059

Reed Valve Polini Piaggio Ciao

34,50 €
In stock
RRP
38,00 €
-9% Discount
Italkit
Reed Petals Vetronit Italkit Double Prism Aprilia RS 125cc (Motor 122)
Article no.: IKLP.01.125

Reed Petals Vetronit Italkit Double Prism Aprilia RS 125cc (Motor 122)

37,00 €
In stock
Sale
Italkit
Intake Kit Italkit Big Valve Double Prisma 35mm PWK / VHST Derbi Variant Start
Article no.: IKLC.12.03

Intake Kit Italkit Big Valve Double Prisma 35mm PWK / VHST Derbi Variant Start

140,00 €
In stock
Sale
Italkit
Intake Kit Italkit Big Valve metal flange 35mm Derbi Variant Start
Article no.: IKLC.12.02

Intake Kit Italkit Big Valve metal flange 35mm Derbi Variant Start

132,00 €
In stock
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

75,00 €
In stock
Sale
Italkit
Reed Valve Italkit KTM / Husqvarna
Article no.: IKLC.34.60

Reed Valve Italkit KTM / Husqvarna

113,00 €
In stock
Sale
Italkit
Reed Valve Italkit Doble Prisma Vetronit Aprilia RS 125cc (Motor 122)
Article no.: IKLC.01.125.0

Reed Valve Italkit Doble Prisma Vetronit Aprilia RS 125cc (Motor 122)

68,00 €
In stock
Schmitt
Reed Box Schmitt 50-85cc Simson M500 / M700
Article no.: STT49229

Reed Box Schmitt 50-85cc Simson M500 / M700

49,00 €
In stock
Sale
Athena
Reed Valve Athena Puch Maxi / Sachs
Article no.: AT-064812

Reed Valve Athena Puch Maxi / Sachs

15,00 €
In stock
Sale
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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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