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Reed Valves and Petals

(232 products)
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Product type
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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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 0.30 (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
Italkit
Intake Kit Italkit Big Valve 35mm PWK / VHST Puch Cobra 75
Article no.: IKLC.56.1

Intake Kit Italkit Big Valve 35mm PWK / VHST Puch Cobra 75

181,00 €
Currently not in stock
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

162,00 €
Currently not in stock
Italkit
Reed Valve Italkit Yamaha DT 125
Article no.: IKLC.44.50

Reed Valve Italkit Yamaha DT 125

55,00 €
Currently not in stock
Italkit
Reed Valve + Intake manifold Italkit Doble Prisma KTM SX 85
Article no.: IKLC.34.20

Reed Valve + Intake manifold Italkit Doble Prisma KTM SX 85

101,00 €
Currently not in stock
Italkit
Reed Valve + Intake Manifold Italkit Doble Prisma KTM SX 65cc 1998-2008
Article no.: IKLC.34.10

Reed Valve + Intake Manifold Italkit Doble Prisma KTM SX 65cc 1998-2008

89,50 €
Currently not in stock
Italkit
Reed Valve Italkit Carbon Honda NSR 125
Article no.: IKLC.26.4

Reed Valve Italkit Carbon Honda NSR 125

88,50 €
Currently not in stock
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)

71,50 €
Currently not in stock
Schmitt
Reed Box Schmitt 50-85cc Simson M500 / M700
Article no.: STT49229

Reed Box Schmitt 50-85cc Simson M500 / M700

54,00 €
Currently not in stock
Athena
Reed Valve Athena Puch Maxi / Sachs
Article no.: AT-064812

Reed Valve Athena Puch Maxi / Sachs

20,50 €
Currently not in stock
KRM
Reed Valve Spacer 10mm KRM AM6 dark blue
Article no.: KR688F

Reed Valve Spacer 10mm KRM AM6 dark blue

23,50 €
Currently not in stock
KRM
Reed Valve Spacer 10mm KRM AM6 Purple
Article no.: KR085F

Reed Valve Spacer 10mm KRM AM6 Purple

23,00 €
Currently not in stock
KRM
Reed Valve Spacer 5mm KRM Derbi Purple
Article no.: KR123F

Reed Valve Spacer 5mm KRM Derbi Purple

21,00 €
Currently not in stock
Polini
Reed Petals Polini carbon fiber 0,30mm Derbi Euro 2 / Euro 3
Article no.: P213.0527
3

Reed Petals Polini carbon fiber 0,30mm Derbi Euro 2 / Euro 3

16,50 €
Currently not in stock
RRP
19,00 €
-13% Discount
Malossi
Reed Petals Malossi carbon 0.30 / 0.35 / 0.40mm AM6
Article no.: M2712430.C0
5

Reed Petals Malossi carbon 0.30 / 0.35 / 0.40mm AM6

31,00 €
Currently not in stock
Polini
Reed Valve Polini Evolution carbon fiber Derbi
Article no.: P213.0051
6

Reed Valve Polini Evolution carbon fiber Derbi

60,50 €
Currently not in stock
RRP
66,00 €
-8% Discount
Malossi
Jet / Reeds / Needles Malossi Peugeot Fox / Honda Wallaroo
Article no.: M202933B
1

Jet / Reeds / Needles Malossi Peugeot Fox / Honda Wallaroo

20,50 €
Currently not in stock
Polini
Reed Valve Polini MBK 51
Article no.: P213.0032

Reed Valve Polini MBK 51

23,00 €
Currently not in stock
RRP
24,00 €
-4% Discount
Polini
Intake Kit Polini Big Valve 24mm Peugeot 103 SP / MVL
Article no.: P215.0301
1

Intake Kit Polini Big Valve 24mm Peugeot 103 SP / MVL

52,50 €
Currently not in stock
RRP
59,00 €
-11% Discount
Polini
Intake Kit Polini Big Valve 23mm PHBG MBK 51
Article no.: P215.0246
1

Intake Kit Polini Big Valve 23mm PHBG MBK 51

57,00 €
Currently not in stock
RRP
67,00 €
-15% Discount
KRM
Reed Valve Spacer 10mm KRM pink Minarelli AM6
Article no.: KR459F

Reed Valve Spacer 10mm KRM pink Minarelli AM6

24,50 €
Currently not in stock
KRM
Reed Valve Spacer 5mm KRM blue Derbi
Article no.: KR348F

Reed Valve Spacer 5mm KRM blue Derbi

21,50 €
Currently not in stock
KRM
Reed Valve Spacer 5mm KRM red Derbi
Article no.: KR346F

Reed Valve Spacer 5mm KRM red Derbi

21,00 €
Currently not in stock
Malossi
Reed Petals Malossi VL1 Peugeot 103
Article no.: M272356.C0

Reed Petals Malossi VL1 Peugeot 103

22,00 €
Currently not in stock
RRP
23,00 €
-4% Discount
Polini
Reed Petals Polini carbon fiber Piaggio NRG / Typhoon
Article no.: P213.0536

Reed Petals Polini carbon fiber Piaggio NRG / Typhoon

27,50 €
Currently not in stock
RRP
29,00 €
-5% Discount
Polini
Reed Petals Polini carbon fiber Peugeot Speedfight / Trekker
Article no.: P213.0534
1

Reed Petals Polini carbon fiber Peugeot Speedfight / Trekker

19,00 €
Currently not in stock
Polini
Reed Petals Polini carbon fiber Yamaha Aerox / MBK Nitro
Article no.: P213.0532
6

Reed Petals Polini carbon fiber Yamaha Aerox / MBK Nitro

27,00 €
Currently not in stock
RRP
29,00 €
-7% Discount
Polini
Reed Petals Polini carbon fiber Yamaha BW's / Slider / MBK
Article no.: P213.0530
20

Reed Petals Polini carbon fiber Yamaha BW's / Slider / MBK

21,70 €
Currently not in stock
Polini
Reed Petals Polini Piaggio NRG / Typhoon
Article no.: P213.0525

Reed Petals Polini Piaggio NRG / Typhoon

18,00 €
Currently not in stock
RRP
19,00 €
-5% Discount
Standard Parts
Reed Valve OEM quality Suzuki RMX / SMX
Article no.: MF35.17000

Reed Valve OEM quality Suzuki RMX / SMX

19,50 €
Currently not in stock
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
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 €
Currently not in stock
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 Petals V-Force 3 KX 80 / 85
Article no.: VF3P411H

Reed Petals V-Force 3 KX 80 / 85

89,50 €
Currently not in stock
V Force
Reed Valve V-Force 4 Yamaha YZ125
Article no.: VFV4R04

Reed Valve V-Force 4 Yamaha YZ125

193,00 €
Currently not in stock
V Force
Carbon Reed Petals V-Force (V4R82B-I - YZ 65)
Article no.: VF4PR461M

Carbon Reed Petals V-Force (V4R82B-I - YZ 65)

88,00 €
Currently not in stock
V Force
Reed Valve V-Force 4R Husqvarna CR 125
Article no.: VFV4R01H

Reed Valve V-Force 4R Husqvarna CR 125

193,00 €
Currently not in stock
V Force
Reed Valve V-Force 4R Honda CR 125
Article no.: VFV4R01D

Reed Valve V-Force 4R Honda CR 125

205,00 €
Currently not in stock
V Force
V-Force Replacement gasket (V4R81A - CR 85)
Article no.: VFG481

V-Force Replacement gasket (V4R81A - CR 85)

8,40 €
Currently not 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 €
Currently not in stock
Peugeot
Reed Valve Peugeot horizontal
Article no.: OE-PEU740584

Reed Valve Peugeot horizontal

66,00 €
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
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
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
V-Force 3 KX 80 / 85 valve box 1991 to 2021
Article no.: VFV384A

V-Force 3 KX 80 / 85 valve box 1991 to 2021

206,00 €
Currently not in stock
V Force
Reed Valve V-Force 4Ri System Yamaha YZ 85
Article no.: VFV4R82A-I

Reed Valve V-Force 4Ri System Yamaha YZ 85

215,00 €
Currently not in stock
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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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