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Intake Manifolds

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Carburetors Intake Manifolds Reed Valves and Petals Carburetor Accessories Jets Fuel System Air filter Injection System
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13
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Product type
Intake manifold Intake rubber
Intake manifold connection
24mm 25,5mm 25mm 28mm 29mm 31mm 35mm 36mm
Brand
Barikit Italkit Malossi MotoForce MotoForce Racing MVT Piaggio Polini Stage6 Standard Parts Top Performances
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Standard Parts
Intake Rubber Boot 24mm / 28mm universal Derbi
Article no.: MF99.20181

Intake Rubber Boot 24mm / 28mm universal Derbi

7,10 €
In stock
Piaggio
Intake Manifold original Piaggio 50cc 4-stroke 4V
Article no.: OE-PIA845737

Intake Manifold original Piaggio 50cc 4-stroke 4V

34,00 €
In stock
Piaggio
Intake Manifold original Piaggio 125 - 150cc 4-stroke 2V
Article no.: OE-PIA849465

Intake Manifold original Piaggio 125 - 150cc 4-stroke 2V

15,00 €
In stock
Sale
Malossi
Intake Manifold Malossi 35mm PWK / VHST AM6 / Derbi
Article no.: M026639
1

Intake Manifold Malossi 35mm PWK / VHST AM6 / Derbi

34,00 €
In stock
41,00 €
-17% Discount
Sale
Malossi
Intake Rubber Malossi 24mm Minarelli horizontal
Article no.: M028481B

Intake Rubber Malossi 24mm Minarelli horizontal

46,50 €
In stock
RRP
47,00 €
-1% Discount
Malossi
Intake Manifold Malossi NBR 24mm Minarelli vertical
Article no.: M028400B
5

Intake Manifold Malossi NBR 24mm Minarelli vertical

37,00 €
In stock
41,00 €
-10% Discount
Sale
Malossi
Intake Manifold Malossi NBR 29mm (PHVB) Minarelli vertical
Article no.: M028479B
3

Intake Manifold Malossi NBR 29mm (PHVB) Minarelli vertical

32,00 €
In stock
38,00 €
-16% Discount
Sale
Malossi
Intake Manifold Malossi NBR 29mm (PHVB) Minarelli liegend
Article no.: M028857.B0
1

Intake Manifold Malossi NBR 29mm (PHVB) Minarelli liegend

59,00 €
In stock
Sale
Malossi
Intake Manifold Malossi 31mm PHBL / TM Piaggio 50-180cc
Article no.: M027528.B0

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

46,00 €
In stock
47,00 €
-2% Discount
Sale
Piaggio
Intake Manifold original Piaggio / Vespa 50cc 2T
Article no.: OE-PIA830939

Intake Manifold original Piaggio / Vespa 50cc 2T

10,50 €
In stock
Standard Parts
Intake Manifold Boot 26 / 32mm pitbike
Article no.: MB3103

Intake Manifold Boot 26 / 32mm pitbike

8,80 €
In stock soon
Standard Parts
Intake Manifold Beta RR 50 / Aprilia RX 50 AM6
Article no.: CGN524153

Intake Manifold Beta RR 50 / Aprilia RX 50 AM6

13,00 €
In stock soon
Standard Parts
Intake Manifold Piaggio 50cc 4-stroke 2V
Article no.: CGN485722

Intake Manifold Piaggio 50cc 4-stroke 2V

13,00 €
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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