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Intake Manifolds

(13 products)
Carburetor and Intake Carburetors Intake Manifolds Reed Valves and Petals Carburetor Accessories Jets Fuel System Air filter Injection System
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29
products
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Product type
Intake manifold Intake rubber
Intake manifold connection
24mm 25,5mm 25mm 28mm 29mm 31mm 33mm 34mm 35mm 36mm 38mm 40mm 44mm 45mm
Brand
Malossi MotoForce Racing Standard Parts
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MotoForce Racing
Intake Rubber Boot Motoforce Racing 34 / 34mm PWK / VHST / PHBH
Article no.: MF99.20182

Intake Rubber Boot Motoforce Racing 34 / 34mm PWK / VHST / PHBH

9,40 €
In stock
RRP
11,00 €
-15% Discount
Standard Parts
Intake Rubber Boot 24mm / 28mm universal Derbi
Article no.: MF99.20181

Intake Rubber Boot 24mm / 28mm universal Derbi

7,30 €
In stock
Malossi
Intake Rubber Boot Malossi 33mm VHB 24 - 26
Article no.: M130399B

Intake Rubber Boot Malossi 33mm VHB 24 - 26

9,30 €
In stock
RRP
12,00 €
-23% Discount
Malossi
Intake Rubber Boot Malossi 31/31mm TM24 / PHBL
Article no.: M134814B

Intake Rubber Boot Malossi 31/31mm TM24 / PHBL

12,00 €
In stock
RRP
15,00 €
-20% Discount
Malossi
Intake Rubber Boot Malossi 35/35mm PWK / VHST
Article no.: M131433B

Intake Rubber Boot Malossi 35/35mm PWK / VHST

11,50 €
In stock
RRP
13,00 €
-12% Discount
Malossi
Intake Rubber Boot Malossi 44/44mm PHBE / PHF
Article no.: M130397B

Intake Rubber Boot Malossi 44/44mm PHBE / PHF

12,00 €
In stock
RRP
14,00 €
-14% Discount
Malossi
Intake Rubber Boot Malossi 40/44mm PHBE / PHF
Article no.: M131012B

Intake Rubber Boot Malossi 40/44mm PHBE / PHF

20,50 €
In stock
RRP
26,00 €
-21% Discount
Standard Parts
Intake Rubber 31 / 34mm straight
Article no.: SP-41024

Intake Rubber 31 / 34mm straight

8,00 €
In stock
11,00 €
-27% Discount
Sale
Standard Parts
Intake Rubber 24mm / 29mm straight
Article no.: SP-41027

Intake Rubber 24mm / 29mm straight

5,50 €
In stock
Malossi
Intake Manifold Malossi 31mm PHBL / TM Piaggio 50-180cc
Article no.: M027528.B0

Intake Manifold Malossi 31mm PHBL / TM Piaggio 50-180cc

58,50 €
In stock
Malossi
Intake Rubber Boot Malossi 24/25mm PHVA / PHBG long
Article no.: M1311128B

Intake Rubber Boot Malossi 24/25mm PHVA / PHBG long

13,00 €
Currently not in stock
RRP
15,00 €
-13% Discount
Malossi
Intake Rubber Boot Malossi 24/25mm PHVA / PHBG short
Article no.: M136085B

Intake Rubber Boot Malossi 24/25mm PHVA / PHBG short

8,60 €
Currently not in stock
RRP
11,00 €
-22% Discount
Standard Parts
Intake Rubber 33 / 38mm straight
Article no.: SP-41022

Intake Rubber 33 / 38mm straight

9,50 €
Currently not in stock

Intake Manifolds

The intake manifold, or inlet manifold, is the connection between the carburetor or throttle body and the engine:

  • At the cylinder head on 4-stroke engines
  • At the cylinder or directly on the crankcase on 2-stroke engines

Many intake manifolds are made of a flexible rubber compound that dries out and becomes hard over time. The condition of the intake manifold should be checked regularly, as a cracked or porous manifold causes air leaks, making the mixture too lean. This creates a high risk of engine damage.
Some vehicle models have aluminum intake manifolds. These are mounted with gaskets that must also be in perfect condition to avoid leaks.

In general, for motocross bikes and 4-stroke maxi scooters (which are designed for high performance from the factory), it is sufficient to install an OEM quality intake manifold. Even for tuning projects, the diameter of the carburetor is rarely increased, as it is sufficient in most cases.

However, the situation is different for scooters, mopeds, and 50cc bikes. Read more ↓!

Which intake manifold to use?

OEM style intake manifolds for 50cc bikes, scooters, mopeds...

For those who do not want to make major changes, there are intake manifolds in OE quality for the most common models such as Yamaha Aerox and Jog, Piaggio Zip, Gilera Runner, Peugeot Speedfight and Kisbee, Beta RR 50, Derbi Senda, Rieju MRT, Piaggio Ciao and many others.

Popular brands like Motoforce offer products in good quality at fair prices.

Tuning intake manifolds

Scooters, mopeds, and 50cc bikes, as well as 2-stroke maxi scooters and classic Vespas, are not designed for high performance. Therefore, many riders tune their engine, which often involves using a larger carburetor. From a certain diameter, an intake manifold with a larger opening is required.

There are well-known brands in this field such as Barikit, Polini, Malossi, Top Performances, Voca, Stage6 or Stage6 R/T and many more.

Carburetors with 19mm / 20mm connection (clamp flange)
  • Dellorto SHA
  • Gurtner
  • Bing
Carburetors with 24mm and 25mm connection
  • Dellorto 12-21mm type PHVA / PHBN / PHBG
  • Polini CP 17.5-21mm
  • Gurtner and Weber 12-16mm
  • TK and Chinese 2-stroke 12-16mm
  • Arreche 16-21mm
Carburetors with 28mm connection
  • Polini CP 19 to 24 mm
Carburetors with 29mm connection
  • Dellorto PHVB 19-22mm
  • Mikuni VM20
Carburetors with 31mm connection
  • Mikuni TM 24mm
  • Dellorto PHBL 20-26mm
Carburetors with 35mm / 36mm connection
  • Keihin PWK 19-30mm
  • Dellorto VHST 24-28mm
  • Dellorto VHSH 30mm
  • Dellorto PHBH 26-30mm
    Carburetors with 40mm connection
    • Keihin PWK 32-36mm
    • Mikuni TM / TMX 32-35mm

    Note: The connection diameter is measured at the carburetor. Rubber mounts are often slightly smaller because the rubber expands during installation.

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