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Reed Valves and Petals

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Carburetor kit Intake kit Reed petals Reed valve
Brand
Barikit Doppler Italkit Malossi Metrakit MotoForce Racing MVT MXS Custom MXS Racing Polini Stage6 Standard Parts V Force Voca Racing
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Stage6
Reed Valve V-Force 4 Stage6 Honda CR85 / Derbi
Article no.: S6-3219004

Reed Valve V-Force 4 Stage6 Honda CR85 / Derbi

179,00 €
In stock
RRP
221,00 €
-19% Discount
Sale
Stage6
VForce 3 Reed valve AM6 Stage6
Article no.: S6-3219001

VForce 3 Reed valve AM6 Stage6

99,00 €
In stock
RRP
110,00 €
-10% Discount
Stage6
Intake Kit Stage6 MK2 Oversize 24/35MM PHBG / PWK Minarelli vertical
Article no.: S6-3216800

Intake Kit Stage6 MK2 Oversize 24/35MM PHBG / PWK Minarelli vertical

103,00 €
In stock
RRP
114,00 €
-10% Discount
Stage6
Reed Valve Stage6 Vforce 3 Piaggio 125 - 180
Article no.: S6-3219006

Reed Valve Stage6 Vforce 3 Piaggio 125 - 180

119,00 €
In stock
RRP
132,00 €
-10% Discount
New
Stage6
Reed Valve Stage6 VFORCE 3 Piaggio / Gilera / Vespa
Article no.: S6-3219002
1

Reed Valve Stage6 VFORCE 3 Piaggio / Gilera / Vespa

85,00 €
In stock
RRP
105,00 €
-19% Discount
Sale
Stage6
Reed Valve Stage6 Viton Peugeot horizontal
Article no.: S6-3219078/VT
1

Reed Valve Stage6 Viton Peugeot horizontal

64,50 €
In stock
RRP
71,00 €
-9% Discount
Stage6
Reed Petal Carbon Stage6 Minarelli vertical
Article no.: S6-3219068ET01

Reed Petal Carbon Stage6 Minarelli vertical

11,50 €
In stock
Stage6
Reed Valve Stage6 Puch Maxi / Peugeot 103
Article no.: S6-3219074

Reed Valve Stage6 Puch Maxi / Peugeot 103

15,00 €
In stock
RRP
17,00 €
-12% Discount
Sale
Stage6
Carbon Fiber Sheet 0,35mm Stage6 cut out
Article no.: S6-325001

Carbon Fiber Sheet 0,35mm Stage6 cut out

35,00 €
In stock
RRP
43,00 €
-19% Discount
Sale
Stage6
Reed Valve Stage6 VFORCE 3 Minarelli horizontal
Article no.: S6-3219000

Reed Valve Stage6 VFORCE 3 Minarelli horizontal

81,00 €
In stock
RRP
100,00 €
-19% Discount
Sale
Stage6
Reed Valve Stage6 VForce 3i Honda CR85 / Derbi
Article no.: S6-3219005

Reed Valve Stage6 VForce 3i Honda CR85 / Derbi

139,00 €
In stock
RRP
221,00 €
-37% Discount
Sale
MXS Racing
Intake Kit Big Valve MXS Racing HighFlow 35mm PWK / VHST Minarelli vertical
Article no.: MS-PKMMXS010/1

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

159,60 €
In stock
168,00 €
-5% Set-Rabatt
MotoForce Racing
Reed Valve MotoForce Racing Evo Minarelli horizontal
Article no.: MF35.16602

Reed Valve MotoForce Racing Evo Minarelli horizontal

43,00 €
In stock
RRP
50,50 €
-15% Discount
MotoForce Racing
Reed Valve MotoForce Racing Evo Peugeot Kisbee
Article no.: MF35.17802

Reed Valve MotoForce Racing Evo Peugeot Kisbee

52,00 €
In stock
RRP
61,00 €
-15% Discount
MotoForce Racing
Reed Valve MotoForce Racing Evo AM6 / Derbi
Article no.: MF35.18902

Reed Valve MotoForce Racing Evo AM6 / Derbi

48,00 €
In stock
RRP
50,50 €
-5% Discount
Sale
MotoForce Racing
Reed Valve MotoForce Racing AM6 / Derbi
Article no.: MF35.18901

Reed Valve MotoForce Racing AM6 / Derbi

18,00 €
In stock
MotoForce Racing
Intake Kit Motoforce Racing 35mm PWK / VHST Piaggio 50-180cc
Article no.: MF36.14001

Intake Kit Motoforce Racing 35mm PWK / VHST Piaggio 50-180cc

83,00 €
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

17,00 €
In stock
RRP
20,00 €
-15% Discount
Sale
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
Italkit
Reed Valve Italkit AM6
Article no.: IKLC122

Reed Valve Italkit AM6

30,00 €
In stock
33,50 €
-10% Discount
Sale
Polini
Carbon Fiber Sheet Polini (110x110)
Article no.: P213.06_PLAQUE_CARBONE

Carbon Fiber Sheet Polini (110x110)

28,00 €
In stock
44,00 €
-36% Discount
Malossi
Carbon Fiber Sheets Malossi 0.30mm (100x100)
Article no.: M277366.C0

Carbon Fiber Sheets Malossi 0.30mm (100x100)

32,00 €
In stock
RRP
42,00 €
-24% Discount
Sale
Barikit
Carbon Fiber Sheet Barikit 0.35mm
Article no.: BAR-PLA-01

Carbon Fiber Sheet Barikit 0.35mm

14,00 €
In stock
Sale
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
MVT
Intake Kit MVT Racing 35mm PWK / VHST Derbi EBE / D50B0
Article no.: MVT-CL20

Intake Kit MVT Racing 35mm PWK / VHST Derbi EBE / D50B0

43,00 €
In stock
RRP
64,00 €
-33% Discount
Sale
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
Malossi
Reed valve Malossi VL5 Yamaha DT80
Article no.: M273407.C0

Reed valve Malossi VL5 Yamaha DT80

32,50 €
In stock
RRP
41,00 €
-21% Discount
Malossi
Reed Plates Malossi Carbon 100x100mm 0.4 (x2)
Article no.: M277366.E0

Reed Plates Malossi Carbon 100x100mm 0.4 (x2)

38,50 €
In stock
RRP
48,00 €
-20% Discount
Malossi
Reed Plates Malossi Carbon 100x100mm 0.35 (x2)
Article no.: M277366.D0

Reed Plates Malossi Carbon 100x100mm 0.35 (x2)

36,00 €
In stock
RRP
45,00 €
-20% 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
RRP
24,00 €
-13% Discount
Malossi
Reed Petals Malossi VL1 Carbon 0.3 / 0.35 / 0.5
Article no.: M275616.C0

Reed Petals Malossi VL1 Carbon 0.3 / 0.35 / 0.5

13,00 €
In stock
RRP
17,00 €
-24% Discount
Malossi
Reed Petals Malossi Carbon 0.3 / 0.35 Honda Vision 50
Article no.: M271423.C0

Reed Petals Malossi Carbon 0.3 / 0.35 Honda Vision 50

14,00 €
In stock
RRP
18,00 €
-22% 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
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

150,00 €
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

95,00 €
In stock
RRP
132,00 €
-28% Discount
Italkit
Reed Valve Italkit KTM / Husqvarna
Article no.: IKLC.34.60

Reed Valve Italkit KTM / Husqvarna

120,00 €
In stock
Sale
Polini
Reed Valve Polini PRE 100
Article no.: P213.0056

Reed Valve Polini PRE 100

78,50 €
In stock
RRP
90,00 €
-13% Discount
Malossi
Reed Valve Malossi VL6 AM6 / Derbi
Article no.: M274235.C0

Reed Valve Malossi VL6 AM6 / Derbi

33,00 €
In stock
RRP
39,00 €
-15% Discount
Sale
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

23,00 €
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
Sale
Malossi
Reed Petals Malossi VL13 0.30mm (45°) x2
Article no.: M2711798.C0

Reed Petals Malossi VL13 0.30mm (45°) x2

22,00 €
In stock
Sale
Polini
Reed Valve Polini Evolution carbon fiber Derbi
Article no.: P213.0051

Reed Valve Polini Evolution carbon fiber Derbi

60,50 €
In stock
RRP
66,00 €
-8% Discount
Polini
Reed Valve Polini Minarelli vertical
Article no.: P213.0050

Reed Valve Polini Minarelli vertical

45,00 €
In stock
RRP
51,00 €
-12% Discount
Sale
Polini
Reed Valve Polini Peugeot Speedfight / Trekker
Article no.: P213.0049

Reed Valve Polini Peugeot Speedfight / Trekker

45,00 €
In stock
RRP
51,00 €
-12% Discount
Sale
Malossi
Reed Valve Malossi VL20 for Malossi crankcase Piaggio Ciao
Article no.: M2718442B

Reed Valve Malossi VL20 for Malossi crankcase Piaggio Ciao

37,00 €
In stock
RRP
60,00 €
-38% Discount
Polini
Reed Valve Polini MBK 51
Article no.: P213.0032

Reed Valve Polini MBK 51

23,00 €
In stock
RRP
24,00 €
-4% Discount
Polini
Reed Valve Polini Big Valve for mopeds
Article no.: P213.0020

Reed Valve Polini Big Valve for mopeds

20,50 €
In stock
RRP
21,00 €
-2% Discount
Polini
Reed Valve Polini Peugeot 103
Article no.: P213.0017

Reed Valve Polini Peugeot 103

13,00 €
In stock
RRP
14,00 €
-7% Discount
Malossi
Reed Valve Malossi MHR VL16 Piaggio
Article no.: M2713719.C0

Reed Valve Malossi MHR VL16 Piaggio

55,00 €
In stock
RRP
70,00 €
-21% 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

126,00 €
In stock
RRP
147,00 €
-14% Discount
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 Petals Polini Piaggio NRG / Typhoon
Article no.: P213.0525

Reed Petals Polini Piaggio NRG / Typhoon

18,00 €
In stock
RRP
19,00 €
-5% 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

54,50 €
In stock
RRP
60,00 €
-9% 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

48,00 €
In stock
RRP
51,00 €
-6% Discount
Sale
Malossi
Reed Valve Malossi VL9 Peugeot Speedfight / Trekker
Article no.: M277440.C

Reed Valve Malossi VL9 Peugeot Speedfight / Trekker

56,00 €
In stock
Sale
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123

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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