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Reed Valves and Petals

(42 products)
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42
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Intake kit Reed petals Reed valve
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Doppler Italkit Malossi MotoForce MotoForce Racing MXS Racing Polini Stage6 Standard Parts
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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
MotoForce
Reed Valve MotoForce AM6
Article no.: MF35.18805

Reed Valve MotoForce AM6

16,50 €
In stock
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

50,50 €
In stock
Malossi
Reed Valve Malossi VL2 MBK 51
Article no.: M273021.K0

Reed Valve Malossi VL2 MBK 51

18,00 €
In stock
21,00 €
-14% 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
Polini
Reed Valve Polini Piaggio
Article no.: P213.0055

Reed Valve Polini Piaggio

70,00 €
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 €
In stock
RRP
41,00 €
-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 €
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 €
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 €
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 €
In stock
RRP
19,00 €
-21% Discount
Malossi
Reed Petals Malossi VL1 Karbonit 0.3 / 0.35
Article no.: M275616.K0

Reed Petals Malossi VL1 Karbonit 0.3 / 0.35

8,00 €
In stock
RRP
10,00 €
-20% 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 Karbonit 0.3 / 0.35 Honda Vision 50
Article no.: M271423.K0

Reed Petals Malossi Karbonit 0.3 / 0.35 Honda Vision 50

8,20 €
In stock
RRP
11,00 €
-25% 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 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 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
Malossi
Reed Valve Malossi VL1 Peugeot 103
Article no.: M272356.K0

Reed Valve Malossi VL1 Peugeot 103

17,00 €
In stock
Sale
Malossi
Reed Valve Malossi VL6 AM6 / Derbi
Article no.: M274235.C0

Reed Valve Malossi VL6 AM6 / Derbi

36,50 €
In stock
RRP
39,00 €
-6% Discount
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
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 MHR karbonit fiber VL2 (0.3 / 0.35mm)
Article no.: M275618.K0

Reed Petals Malossi MHR karbonit fiber VL2 (0.3 / 0.35mm)

12,50 €
In stock
Malossi
Reed Petals Malossi VL1 Peugeot 103
Article no.: M272356.C0

Reed Petals Malossi VL1 Peugeot 103

17,00 €
In stock
RRP
23,00 €
-26% Discount
Sale
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 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
Doppler
Reed Petals S3R Doppler carbon Yamaha Aerox
Article no.: CGN284732

Reed Petals S3R Doppler carbon Yamaha Aerox

18,00 €
In stock
RRP
23,00 €
-22% Discount
Sale
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
Polini
Reed Valve Polini AM6
Article no.: P213.0036

Reed Valve Polini AM6

54,50 €
In stock soon
RRP
60,00 €
-9% Discount
Malossi
Reed Valve Malossi VL12 Minarelli horizontal / Morini
Article no.: M277731.C0

Reed Valve Malossi VL12 Minarelli horizontal / Morini

54,00 €
In stock soon
RRP
61,00 €
-11% Discount
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 €
Currently not in stock
168,00 €
-5% Set-Rabatt
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 Valve Malossi VL18 AM6 / Derbi
Article no.: M2715810.C0

Reed Valve Malossi VL18 AM6 / Derbi

68,00 €
Currently not in stock
RRP
70,00 €
-3% 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
Standard Parts
Reed Valve Malossi VL5 Honda MTX 80 / Yamaha DT 80
Article no.: M273407C0

Reed Valve Malossi VL5 Honda MTX 80 / Yamaha DT 80

45,00 €
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
Polini
Reed Petals Polini Honda MTX 50
Article no.: P213.0520

Reed Petals Polini Honda MTX 50

5,90 €
Currently not in stock
RRP
6,60 €
-11% Discount
Polini
Reed Valve for Intake Manifold Polini Vespa 50 Special / 125 Primavera / ET3
Article no.: P213.0012

Reed Valve for Intake Manifold Polini Vespa 50 Special / 125 Primavera / ET3

50,00 €
Currently not in stock
RRP
58,00 €
-14% 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

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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