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Reed Valves and Petals

(89 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
Barikit Derbi Doppler Easyboost Italkit KRM Malossi MotoForce MotoForce Racing MVT Polini Stage6 Standard Parts Voca Racing
Price
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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
KRM
Reed Valve Spacer 10mm KRM pink Minarelli AM6
Article no.: KR459F

Reed Valve Spacer 10mm KRM pink Minarelli AM6

24,50 €
In stock
KRM
Reed Valve Spacer 5mm KRM pink Derbi
Article no.: KR458F

Reed Valve Spacer 5mm KRM pink Derbi

21,50 €
In stock
KRM
Reed Valve Spacer 5mm KRM gold Derbi
Article no.: KR456F

Reed Valve Spacer 5mm KRM gold Derbi

20,00 €
In stock
22,00 €
-9% Discount
Sale
KRM
Reed Valve Spacer 10mm KRM blue Minarelli AM6
Article no.: KR349F

Reed Valve Spacer 10mm KRM blue Minarelli AM6

24,00 €
In stock
KRM
Reed Valve Spacer 5mm KRM blue Derbi
Article no.: KR348F

Reed Valve Spacer 5mm KRM blue Derbi

21,50 €
In stock
KRM
Reed Valve Spacer 5mm KRM red Derbi
Article no.: KR346F

Reed Valve Spacer 5mm KRM red Derbi

21,00 €
In stock
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
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

51,00 €
In stock
RRP
64,00 €
-20% 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

51,00 €
In stock
RRP
64,00 €
-20% Discount
Sale
Stage6
Reed Valve Spacer 5° incline AM6 / Derbi Stage6 Yellow
Article no.: S6-3318811/YE

Reed Valve Spacer 5° incline AM6 / Derbi Stage6 Yellow

22,00 €
In stock soon
RRP
24,00 €
-8% Discount
Stage6
Reed Valve Spacer 5mm AM6 / Derbi Stage6 Orange
Article no.: S6-3318810/OR

Reed Valve Spacer 5mm AM6 / Derbi Stage6 Orange

23,00 €
In stock soon
RRP
25,00 €
-8% Discount
Stage6
Reed Valve Spacer 10mm AM6 / Derbi Stage6 Red
Article no.: S6-3318809/RE

Reed Valve Spacer 10mm AM6 / Derbi Stage6 Red

23,00 €
In stock soon
RRP
25,00 €
-8% 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
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 Doppler ER2 AM6
Article no.: CGN279479
2

Reed Valve Doppler ER2 AM6

50,00 €
In stock soon
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
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
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
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
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
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
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
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12

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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