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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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Doppler
Reed Petals S3R Doppler carbon Yamaha Aerox
Article no.: CGN284732

Reed Petals S3R Doppler carbon Yamaha Aerox

21,00 €
In stock
RRP
23,00 €
-9% Discount
Sale
Stage6
Reed Valve Stage6 Viton Minarelli horizontal
Article no.: S6-3219066/VT
15

Reed Valve Stage6 Viton Minarelli horizontal

65,00 €
In stock soon
RRP
72,00 €
-10% Discount
Stage6
Reed Valve Spacer 5° incline AM6 / Derbi Stage6 Yellow
Article no.: S6-3318811/YE

Reed Valve Spacer 5° incline AM6 / Derbi Stage6 Yellow

24,00 €
In stock soon
RRP
26,00 €
-8% Discount
Stage6
Reed Valve Spacer 5mm AM6 / Derbi Stage6 Orange
Article no.: S6-3318810/OR

Reed Valve Spacer 5mm AM6 / Derbi Stage6 Orange

25,00 €
In stock soon
RRP
27,00 €
-7% Discount
Malossi
Reed Valve Malossi VL18 AM6 / Derbi
Article no.: M2715810.C0
1

Reed Valve Malossi VL18 AM6 / Derbi

68,00 €
In stock soon
RRP
70,00 €
-3% Discount
Malossi
Carbon Fiber Sheets Malossi 0.30mm (100x100)
Article no.: M277366.C0
4

Carbon Fiber Sheets Malossi 0.30mm (100x100)

41,00 €
In stock soon
RRP
42,00 €
-2% Discount
Malossi
Reed Valve Malossi MHR VL17 AM6 / Derbi
Article no.: M2714152.CO
11

Reed Valve Malossi MHR VL17 AM6 / Derbi

61,50 €
In stock soon
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 soon
RRP
16,00 €
-22% Discount
New
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)

12,00 €
In stock soon
Malossi
Reed Valve Malossi VL13 Piaggio
Article no.: M279490.C0
1

Reed Valve Malossi VL13 Piaggio

61,00 €
In stock soon
RRP
63,00 €
-3% Discount
Malossi
Reed Valve Malossi VL12 Minarelli horizontal / Morini
Article no.: M277731.C0
9

Reed Valve Malossi VL12 Minarelli horizontal / Morini

54,00 €
In stock soon
RRP
61,00 €
-11% Discount
Malossi
Reed Valve Malossi VL11 Piaggio
Article no.: M277708.C0

Reed Valve Malossi VL11 Piaggio

52,00 €
In stock soon
RRP
59,00 €
-12% Discount
Malossi
Reed Valve Malossi VL14 Minarelli horizontal / China 2T
Article no.: M2711817.C0
29

Reed Valve Malossi VL14 Minarelli horizontal / China 2T

62,00 €
In stock soon
RRP
67,00 €
-7% Discount
Standard Parts
Reed Valve OEM quality Kymco Agility / Dink
Article no.: MF35.19500

Reed Valve OEM quality Kymco Agility / Dink

20,50 €
In stock soon
Standard Parts
Reed Valve Peugeot 103 Fox / FXR
Article no.: CGN493100

Reed Valve Peugeot 103 Fox / FXR

5,90 €
In stock soon
Voca Racing
Reed Petals Voca Racing carbon Biaxial 0.35mm Piaggio
Article no.: VCR-RD132140/CA
2

Reed Petals Voca Racing carbon Biaxial 0.35mm Piaggio

21,50 €
In stock soon
RRP
23,00 €
-7% Discount
Piaggio
Reed Valve original Piaggio Zip (OEM : 82775R)
Article no.: OE-PIA82775R
2

Reed Valve original Piaggio Zip (OEM : 82775R)

33,50 €
In stock soon
Doppler
Reed Valve Spacer Doppler 5mm Minarelli Blue
Article no.: CGN538405

Reed Valve Spacer Doppler 5mm Minarelli Blue

15,00 €
In stock soon
Voca Racing
Reed Valve Spacer 10mm Voca Yamaha DT 50 LC Portugal black
Article no.: VCR-RD13.SPC.130.BK

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

21,00 €
In stock soon
RRP
22,00 €
-5% Discount
Voca Racing
Reed Valve Spacer 10mm Voca Yamaha DT 50 LC Portugal blue
Article no.: VCR-RD13.SPC.130.BL

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

21,00 €
In stock soon
RRP
22,00 €
-5% Discount
Doppler
Reed Valve Spacer Doppler 5mm black Minarelli horizontal
Article no.: CGN498841

Reed Valve Spacer Doppler 5mm black Minarelli horizontal

15,00 €
In stock soon
17,00 €
-12% Discount
MotoForce Racing
Reed Valve MotoForce Racing Minarelli horizontal / China 2-stroke
Article no.: MF35.16604
7

Reed Valve MotoForce Racing Minarelli horizontal / China 2-stroke

39,50 €
In stock soon
RRP
46,00 €
-14% Discount
KRM
Reed Valve Spacer 10mm KRM gold Minarelli AM6
Article no.: KR457F

Reed Valve Spacer 10mm KRM gold Minarelli AM6

25,00 €
In stock soon
KRM
Reed Valve Spacer 10mm KRM blue Minarelli AM6
Article no.: KR349F

Reed Valve Spacer 10mm KRM blue Minarelli AM6

24,00 €
In stock soon
KRM
Reed Valve Spacer 10mm KRM red Minarelli AM6
Article no.: KR347F

Reed Valve Spacer 10mm KRM red Minarelli AM6

23,50 €
In stock soon
Polini
Reed Valve Polini Minarelli horizontal / China 2T
Article no.: P213.0046
13

Reed Valve Polini Minarelli horizontal / China 2T

59,00 €
In stock soon
RRP
64,00 €
-8% Discount
V Force
V-Force Replacement gasket (V4R81A - CR 85)
Article no.: VFG481

V-Force Replacement gasket (V4R81A - CR 85)

8,40 €
In stock soon
MXS Racing
Racing Intake Spacer MXS Racing 5mm Yamaha Aerox
Article no.: MXS-0801
1

Racing Intake Spacer MXS Racing 5mm Yamaha Aerox

20,50 €
Currently not in stock
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
Malossi
Reed Petals Malossi VL13 0.30mm 90° x2
Article no.: M279488.C0

Reed Petals Malossi VL13 0.30mm 90° x2

20,50 €
Currently not in stock
Malossi
Reed Petals Malossi VL13 0.30mm (45°) x2
Article no.: M2711798.C0

Reed Petals Malossi VL13 0.30mm (45°) x2

26,50 €
Currently not in stock
Malossi
Jet / Reeds / Needle Kit Malossi Peugeot Fox / Honda Wallaroo
Article no.: M202933B
1

Jet / Reeds / Needle Kit Malossi Peugeot Fox / Honda Wallaroo

20,50 €
Currently not in stock
Malossi
Reed Valve Malossi VL7 for mopeds
Article no.: M275034.K0

Reed Valve Malossi VL7 for mopeds

25,50 €
Currently not in stock
RRP
26,00 €
-2% Discount
Italkit
Reed Valve + Intake Manifold Italkit W-Force AM6
Article no.: IKLC44.400
3

Reed Valve + Intake Manifold Italkit W-Force AM6

99,00 €
Currently not in stock
Naraku
Intake spacer Naraku Jet Flow, GY6 139QMB/QMA
Article no.: NK200.04

Intake spacer Naraku Jet Flow, GY6 139QMB/QMA

15,50 €
Currently not in stock
Italkit
Intake Kit Italkit Big Valve red 35mm PWK / VHST Derbi Variant Start
Article no.: IKLC.12.04

Intake Kit Italkit Big Valve red 35mm PWK / VHST Derbi Variant Start

184,00 €
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 and Intake Manifold Italkit KTM SX 65 after 2009
Article no.: IKLC.34.11

Reed Valve and Intake Manifold Italkit KTM SX 65 after 2009

92,50 €
Currently not in stock
Doppler
Reed Valve Doppler ER2 AM6
Article no.: CGN279479
2

Reed Valve Doppler ER2 AM6

50,00 €
Currently not in stock
Doppler
Reed Valve Doppler ER2 reinforced fiber Derbi Euro 2 / 3 / 4
Article no.: CGN208471
4

Reed Valve Doppler ER2 reinforced fiber Derbi Euro 2 / 3 / 4

50,50 €
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
Stage6
Reed Valve V-Force 3 Stage6 KX85
Article no.: S6-3219003

Reed Valve V-Force 3 Stage6 KX85

206,00 €
Currently not in stock
RRP
228,00 €
-10% Discount
MXS Racing
Intake Kit MXS Racing HighFlow AW 40mm PWK Minarelli horizontal
Article no.: MXS-012

Intake Kit MXS Racing HighFlow AW 40mm PWK Minarelli horizontal

295,00 €
Currently not in stock
Malossi
Intake Kit Malossi 31mm PHBL Vespa PK 50 / 125cc
Article no.: M204711

Intake Kit Malossi 31mm PHBL Vespa PK 50 / 125cc

148,00 €
Currently not in stock
RRP
151,00 €
-2% Discount
Malossi
Intake Kit Malossi 31mm PHBL Vespa Primavera ET3 125cc
Article no.: M204710

Intake Kit Malossi 31mm PHBL Vespa Primavera ET3 125cc

158,00 €
Currently not in stock
RRP
162,00 €
-2% Discount
Malossi
Reed Petals Malossi karbonit 0.3 / 0.35 Minarelli vertical
Article no.: M273547BK

Reed Petals Malossi karbonit 0.3 / 0.35 Minarelli vertical

4,90 €
Currently not in stock
RRP
5,50 €
-11% Discount
New
Malossi
Reed Petals Carbon Malossi 0.30 / 0.35 / 0.40mm Peugeot Speedfight
Article no.: M272728.C0

Reed Petals Carbon Malossi 0.30 / 0.35 / 0.40mm Peugeot Speedfight

18,00 €
Currently not in stock
RRP
20,00 €
-10% Discount
Malossi
Reed Petals carbon 0.30mm (x2) for Malossi VL11 / Minarelli valves
Article no.: M278873.C0

Reed Petals carbon 0.30mm (x2) for Malossi VL11 / Minarelli valves

12,00 €
Currently not in stock
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 Polini aluminium 152cc Vespa 125cc Primavera ET3
Article no.: P213.0054

Reed Valve Polini aluminium 152cc Vespa 125cc Primavera ET3

92,00 €
Currently not in stock
RRP
109,00 €
-16% 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
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 YZ 80 / YZ 85
Article no.: VFG382

reed Valve Gasket V-Force YZ 80 / YZ 85

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 SX 250 2004-2016
Article no.: VFG316

reed Valve Gasket V-Force SX 250 2004-2016

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force RM 250 1990-1993
Article no.: VFG3110

reed Valve Gasket V-Force RM 250 1990-1993

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force CR 125 2003-2004
Article no.: VFG311

reed Valve Gasket V-Force CR 125 2003-2004

8,20 €
Currently not in stock
V Force
reed Valve Gasket V-Force KX 250 1990-2004
Article no.: VFG308

reed Valve Gasket V-Force KX 250 1990-2004

8,20 €
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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