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Reed Valves and Petals

(34 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
Intake gasket Intake spacer Reed petals Reed valve
Brand
Malossi Moose Racing Stage6 V Force
Price
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Stage6
Carbon Fiber Sheet 0,35mm Stage6 cut out
Article no.: S6-325001

Carbon Fiber Sheet 0,35mm Stage6 cut out

39,00 €
In stock
RRP
43,00 €
-9% Discount
Malossi
Reed Plates Malossi Karbonit 100x100mm 0.4 (x2)
Article no.: M277366.M0

Reed Plates Malossi Karbonit 100x100mm 0.4 (x2)

16,50 €
In stock
RRP
21,00 €
-21% 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
V Force
reed Valve Gasket V-Force KX 80 / KX 85
Article no.: VFG384

reed Valve Gasket V-Force KX 80 / KX 85

8,80 €
In stock
V Force
reed Valve Gasket V-Force SX 65 2009-2023
Article no.: VFG351

reed Valve Gasket V-Force SX 65 2009-2023

2,90 €
In stock
RRP
7,70 €
-62% Discount
V Force
V-Force 4 Replacement reed petals
Article no.: VF4PR612M

V-Force 4 Replacement reed petals

90,50 €
In stock
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 Husqvarna CR 125
Article no.: VFV4R01H

Reed Valve V-Force 4R Husqvarna CR 125

193,00 €
In stock
V Force
Reed Valve V-Force 4R System KTM / Husqvarna 85
Article no.: VFV4R85A

Reed Valve V-Force 4R System KTM / Husqvarna 85

195,00 €
In stock
V Force
Reed Valve V-Force 4Ri System Suzuki RM 85
Article no.: VFV4R83A-I

Reed Valve V-Force 4Ri System Suzuki RM 85

222,00 €
In stock
V Force
Reed Petals V-Force 3 KX 80 / 85
Article no.: VF3P411H

Reed Petals V-Force 3 KX 80 / 85

89,50 €
In stock soon
V Force
Reed Valve V-Force 4 Yamaha YZ125
Article no.: VFV4R04

Reed Valve V-Force 4 Yamaha YZ125

193,00 €
In stock soon
V Force
Reed Petals V-Force 3 Sherco SE 300
Article no.: VF3P682H

Reed Petals V-Force 3 Sherco SE 300

86,50 €
Currently not in stock
V Force
Reed Valve Gasket V-Force
Article no.: VFG383

Reed Valve Gasket V-Force

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force CR 80 / CR 85
Article no.: VFG381

reed Valve Gasket V-Force CR 80 / CR 85

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force KX 60 / KX 65
Article no.: VFG364

reed Valve Gasket V-Force KX 60 / KX 65

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force YZ 250 after 1997
Article no.: VFG307

reed Valve Gasket V-Force YZ 250 after 1997

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force RM 125 1990-2008
Article no.: VFG302

reed Valve Gasket V-Force RM 125 1990-2008

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force YZ 125 2005-2021
Article no.: VFG304

reed Valve Gasket V-Force YZ 125 2005-2021

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force RM 250 1998-2002
Article no.: VFG09

reed Valve Gasket V-Force RM 250 1998-2002

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force CR 250 2002-2007
Article no.: VFG05A

reed Valve Gasket V-Force CR 250 2002-2007

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force KX 125 1993-2002
Article no.: VFG03

reed Valve Gasket V-Force KX 125 1993-2002

8,20 €
Currently not in stock
V Force
Reed Petals V-Force 2 CR 500
Article no.: VF2P127-1

Reed Petals V-Force 2 CR 500

82,00 €
Currently not in stock
V Force
Reed Valve V-Force 3 YZ 85
Article no.: VFV382S-A

Reed Valve V-Force 3 YZ 85

220,00 €
Currently not in stock
V Force
Reed Valve V-Force 3 Honda CR 250 2005-06
Article no.: VFV325A

Reed Valve V-Force 3 Honda CR 250 2005-06

206,00 €
Currently not in stock
V Force
Reed Valve V-Force 3 Honda CR 125 2005-06
Article no.: VFV321A

Reed Valve V-Force 3 Honda CR 125 2005-06

206,00 €
Currently not in stock
V Force
Reed Valve V-Force 3 KTM 200 / 250
Article no.: VFV306A-M

Reed Valve V-Force 3 KTM 200 / 250

206,00 €
Currently not in stock
V Force
Reed Valve V-Force 3 KX60 / 65
Article no.: VFV364A

Reed Valve V-Force 3 KX60 / 65

199,00 €
Currently not in stock
V Force
Reed Valve V-Force 3 YZ 80
Article no.: VFV382A

Reed Valve V-Force 3 YZ 80

206,00 €
Currently not in stock
V Force
Reed Valve V-Force 3 KX 250 1987-04
Article no.: VFV308A

Reed Valve V-Force 3 KX 250 1987-04

206,00 €
Currently not in stock
V Force
Reed Valve V-Force 3 RM 125 99-06
Article no.: VFV302B

Reed Valve V-Force 3 RM 125 99-06

206,00 €
Currently not in stock
V Force
Reed Valve V-Force 3 KTM 50 2009-2023
Article no.: VFV355A

Reed Valve V-Force 3 KTM 50 2009-2023

199,00 €
Currently not in stock
V Force
Reed Petals V-Force 3 V303D-M - Sherco SE/SE-R250
Article no.: VF3P682K

Reed Petals V-Force 3 V303D-M - Sherco SE/SE-R250

82,00 €
Currently not in stock
V Force
Reed Valve RM 250 1998-02
Article no.: VFV2M09A

Reed Valve RM 250 1998-02

206,00 €
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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