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Reed Valves and Petals

(146 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 kit Intake spacer Reed petals Reed valve
Brand
CBE Derbi Doppler Easyboost Italkit KRM Malossi MotoForce MotoForce Racing MVT MXS Racing Naraku Piaggio Polini Stage6 Standard Parts Voca Racing Yamaha
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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
Doppler
Reed Valve Spacer Doppler 5mm Minarelli Blue
Article no.: CGN538405

Reed Valve Spacer Doppler 5mm Minarelli Blue

15,00 €
In stock soon
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
Doppler
Reed Valve Doppler ER2 AM6
Article no.: CGN279479
2

Reed Valve Doppler ER2 AM6

50,00 €
In stock soon
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 red Minarelli AM6
Article no.: KR347F

Reed Valve Spacer 10mm KRM red Minarelli AM6

23,50 €
In stock soon
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 soon
RRP
29,00 €
-5% Discount
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
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 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
Reed Valve Malossi VL12 Minarelli horizontal / Morini
Article no.: M277731.C0
9

Reed Valve Malossi VL12 Minarelli horizontal / Morini

54,00 €
Currently not in stock
RRP
61,00 €
-11% 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 €
Currently not in stock
RRP
67,00 €
-7% 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
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
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 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
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123

Valve box

The valve gear is a specific part of the 2-stroke engine. It was created to regulate cylinder filling and increase the engine's range of use (without a valve gear, engines were more hollow, and deployed their power more brutally).

Renowned brands such as Moto Tassinari, Stage6, Italkit, Polini and Malossi have developed top-of-the-range products specific to the most popular models on the market.

Performance enhancement

A valve gear can provide a power gain across the entire curve, thanks to more efficient cylinder filling (greater flow).

Lamella materials and thickness (steel, fiber, carbon, epoxy mix) can also have an impact on low or high revs, depending on the choice made. Generally speaking :

  • thicker = harder = less torque, but possible gain at high revs
  • thinner = softer = better acceleration but losses at high revs

Ideally, you should be able to test several and choose the best compromise for your machine.

We also offer clamshell gearbox shims, which increase the volume in the crankcase.

Choosing the right valve box

When preparing an engine, particularly in the world of 50cc scooters and motorcycles, it's important to choose a valve gear suited to the cylinder kit fitted: the more powerful the cylinder kit, the greater the mixture volume provided by the valve gear.

For example, many brands offer "big valve" kits for the MBK Booster, MBK Nitro or Piaggio Zip , whose valve box is extremely small as standard.

On a 50cc motorcycle, with a Minarelli AM6 or Derbi engine, a big valve box means that the crankcases have to be reworked. Keep an eye on this!

For motocross, Moto Tassinari offers V-Force valve gearboxes, which are easy to fit and directly improve flow. You won't have to worry about the thickness of the slats, which has been pre-studied for most popular models(KTM SX, Yamaha YZ, Honda CR, etc...) by the manufacturer.

To make life easier for you, we offer complete intake kits , including intake pipe, valve box and a number of useful accessories.

Cost-effective repairs

The entire valve box can be replaced, but this is not necessarily necessary. In fact, it's the slats that move very quickly and are subject to high stress. They need to be replaced at regular intervals when they become leaky.

In our shop, you'll find a vast choice of carbon, fiberglass and metal slats.

For the rarest models, we offer cut-to-size carbon sheets.

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