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Reed Valves and Petals

(282 products)
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Product type
Derestrictor kit Intake gasket Intake kit Intake spacer Reed petals Reed valve
Brand
Athena Barikit CBE Derbi Doppler Easyboost Italkit KRM Malossi Moose Racing MotoForce MotoForce Racing MVT MXS Racing Naraku Peugeot Piaggio Polini Schmitt Stage6 Standard Parts V Force Voca Racing Yamaha
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Schmitt
Reed Box Schmitt 50-85cc Simson M500 / M700
Article no.: STT49229

Reed Box Schmitt 50-85cc Simson M500 / M700

48,00 €
In stock
54,00 €
-11% Discount
Sale
Athena
Reed Valve Athena Puch Maxi / Sachs
Article no.: AT-064812

Reed Valve Athena Puch Maxi / Sachs

17,00 €
In stock
Sale
KRM
Reed Valve Spacer 5mm KRM AM6 dark blue
Article no.: KR689F

Reed Valve Spacer 5mm KRM AM6 dark blue

19,00 €
In stock
21,00 €
-10% Discount
Sale
KRM
Reed Valve Spacer 10mm KRM AM6 dark blue
Article no.: KR688F

Reed Valve Spacer 10mm KRM AM6 dark blue

23,50 €
In stock
Voca Racing
Reed Valve Spacer 10mm Voca Yamaha DT 50 LC Portugal red
Article no.: VCR-RD13.SPC.130.RE

Reed Valve Spacer 10mm Voca Yamaha DT 50 LC Portugal red

19,00 €
In stock
RRP
22,00 €
-14% Discount
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
KRM
Reed Valve Spacer 10mm KRM AM6 Purple
Article no.: KR085F

Reed Valve Spacer 10mm KRM AM6 Purple

23,00 €
In stock
KRM
Reed Valve Spacer 5mm KRM Derbi Purple
Article no.: KR123F

Reed Valve Spacer 5mm KRM Derbi Purple

19,00 €
In stock
21,00 €
-10% 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
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

46,00 €
In stock
RRP
50,50 €
-9% Discount
Sale
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 €
In stock
RRP
19,00 €
-13% Discount
MotoForce Racing
Reed Valve Motoforce Racing Minarelli vertical
Article no.: MF35.16807
23

Reed Valve Motoforce Racing Minarelli vertical

29,00 €
In stock
RRP
39,50 €
-27% Discount
Sale
MotoForce Racing
Reed Valve Motoforce Piaggio
Article no.: MF35.14003
5

Reed Valve Motoforce Piaggio

40,00 €
In stock
RRP
46,50 €
-14% Discount
MotoForce Racing
Reed Valve MotoForce Racing AM6 / Derbi
Article no.: MF35.18901

Reed Valve MotoForce Racing AM6 / Derbi

18,00 €
In stock
Polini
Reed Valve Polini Evolution carbon fiber Derbi
Article no.: P213.0051
6

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
22

Reed Valve Polini Minarelli vertical

49,00 €
In stock
RRP
51,00 €
-4% Discount
Polini
Reed Valve Polini Peugeot Speedfight / Trekker
Article no.: P213.0049
1

Reed Valve Polini Peugeot Speedfight / Trekker

45,00 €
In stock
RRP
51,00 €
-12% Discount
Sale
Standard Parts
Reed Valve OEM quality Pocket Bike
Article no.: SP-184568

Reed Valve OEM quality Pocket Bike

4,10 €
In stock
Polini
Reed Valve Polini MBK 51
Article no.: P213.0032

Reed Valve Polini MBK 51

21,00 €
In stock
RRP
24,00 €
-13% Discount
Sale
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
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 €
In stock
RRP
59,00 €
-11% Discount
Polini
Intake Kit Polini Big Valve d=12-15mm Peugeot 103 SP / MVL
Article no.: P215.0300

Intake Kit Polini Big Valve d=12-15mm Peugeot 103 SP / MVL

58,00 €
In stock
RRP
59,00 €
-2% 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 €
In stock
RRP
67,00 €
-15% Discount
Polini
Intake Kit Polini Big Valve 19mm SHA MBK 51
Article no.: P215.0245

Intake Kit Polini Big Valve 19mm SHA MBK 51

59,00 €
In stock
RRP
67,00 €
-12% Discount
Sale
Polini
Reed Valve Polini Peugeot 103
Article no.: P213.0017
6

Reed Valve Polini Peugeot 103

13,00 €
In stock
RRP
14,00 €
-7% Discount
KRM
Reed Valve Spacer 10mm KRM pink Minarelli AM6
Article no.: KR459F

Reed Valve Spacer 10mm KRM pink Minarelli AM6

22,00 €
In stock
24,50 €
-10% Discount
Sale
KRM
Reed Valve Spacer 5mm KRM pink Derbi
Article no.: KR458F

Reed Valve Spacer 5mm KRM pink Derbi

19,00 €
In stock
21,50 €
-12% Discount
Sale
KRM
Reed Valve Spacer 5mm KRM gold Derbi
Article no.: KR456F

Reed Valve Spacer 5mm KRM gold Derbi

19,00 €
In stock
22,00 €
-14% Discount
Sale
KRM
Reed Valve Spacer 5mm KRM blue Derbi
Article no.: KR348F

Reed Valve Spacer 5mm KRM blue Derbi

19,00 €
In stock
21,50 €
-12% Discount
Sale
KRM
Reed Valve Spacer 5mm KRM red Derbi
Article no.: KR346F

Reed Valve Spacer 5mm KRM red Derbi

19,00 €
In stock
21,00 €
-10% Discount
Sale
MotoForce Racing
Intake Kit Motoforce Racing 35mm PWK / VHST Piaggio 50-180cc
Article no.: MF36.14001
10

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

83,00 €
In stock
Polini
Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal
Article no.: P215.0410
23

Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal

132,00 €
In stock
RRP
147,00 €
-10% Discount
Polini
Reed Petals Polini carbon fiber Piaggio NRG / Typhoon
Article no.: P213.0536

Reed Petals Polini carbon fiber Piaggio NRG / Typhoon

27,50 €
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

17,00 €
In stock
RRP
19,00 €
-11% Discount
Sale
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 €
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 €
In stock
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 AM6
Article no.: P213.0036
12

Reed Valve Polini AM6

54,50 €
In stock
RRP
60,00 €
-9% Discount
Standard Parts
Reed Valve OEM quality Suzuki RMX / SMX
Article no.: MF35.17000

Reed Valve OEM quality Suzuki RMX / SMX

19,50 €
In stock
20,00 €
-3% Discount
Malossi
Reed Petals Malossi karbonit 0.3 / 0.35 / 0.4mm Yamaha BW's / Slider
Article no.: M273549.KO
32

Reed Petals Malossi karbonit 0.3 / 0.35 / 0.4mm Yamaha BW's / Slider

13,00 €
In stock
MVT
Intake Kit MVT S-Race 24mm PHBG Derbi Euro 2 / 3 / 4
Article no.: MVT-CL2
7

Intake Kit MVT S-Race 24mm PHBG Derbi Euro 2 / 3 / 4

50,00 €
In stock
RRP
64,00 €
-22% Discount
Sale
MVT
Intake Kit MVT S-Race 24mm PHBG Minarelli AM6
Article no.: MVT-CL1
9

Intake Kit MVT S-Race 24mm PHBG Minarelli AM6

50,00 €
In stock
RRP
64,00 €
-22% Discount
Sale
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 €
In stock
V Force
reed Valve Gasket V-Force KX 500
Article no.: VFG150

reed Valve Gasket V-Force KX 500

9,10 €
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 €
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

80,00 €
In stock
Sale
V Force
Reed Petals V-Force 3 Sherco SE 300
Article no.: VF3P682H

Reed Petals V-Force 3 Sherco SE 300

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

Reed Petals V-Force 3 KX 80 / 85

80,00 €
In stock
Sale
V Force
Reed Valve V-Force 4 Yamaha YZ125
Article no.: VFV4R04

Reed Valve V-Force 4 Yamaha YZ125

193,00 €
In stock
V Force
Reed Valve V-Force 3 KTM 50 2002-2008
Article no.: VFV351A

Reed Valve V-Force 3 KTM 50 2002-2008

99,00 €
In stock
RRP
199,00 €
-50% Discount
V Force
Reed Valve Gasket V-Force (V4R82B-I - YZ 65)
Article no.: VFG482

Reed Valve Gasket V-Force (V4R82B-I - YZ 65)

9,60 €
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 Honda CR 125
Article no.: VFV4R01D

Reed Valve V-Force 4R Honda CR 125

193,00 €
In stock
Sale
V Force
Reed Valve V-Force 4R System Honda CR 85
Article no.: VFV4R81A

Reed Valve V-Force 4R System Honda CR 85

199,00 €
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

208,00 €
In stock
Sale
Peugeot
Reed Valve Peugeot horizontal
Article no.: OE-PEU740584

Reed Valve Peugeot horizontal

66,00 €
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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