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Intake Manifolds

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Intake kit Intake manifold Intake rubber
Manifold connection
16mm 18mm 19mm 20mm 21mm 23mm 24mm 25,5mm 25mm 26mm 28,5mm 28mm 29mm 30mm 31mm 33mm 34mm 35mm 36mm 38mm 40mm 44mm 45mm Bolt spacing 34mm
Diameter carburetor
21mm 35mm
Brand
2Fast Barikit CBE Malossi MotoForce MotoForce Racing MVT MXS Racing Polini Stage6 Stage6 R/T Standard Parts Top Performances Voca Racing
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21mm 28,5mm 36mm
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MotoForce Racing
Intake Manifold 24/35mm PHBG / PWK / VHST Derbi
Article no.: MF15.19030

Intake Manifold 24/35mm PHBG / PWK / VHST Derbi

24,00 €
In stock soon
RRP
28,00 €
-14% Discount
MotoForce Racing
Intake Manifold 24/35mm PHBG / PWK / VHST Minarelli AM6
Article no.: MF15.19020

Intake Manifold 24/35mm PHBG / PWK / VHST Minarelli AM6

28,50 €
In stock soon
RRP
32,50 €
-12% Discount
CBE
Intake Manifold CBE 35mm PWK / VHST MBK 51 / Peugeot 103
Article no.: CBE-PIPE-POL-28-D

Intake Manifold CBE 35mm PWK / VHST MBK 51 / Peugeot 103

57,50 €
Currently not in stock
Top Performances
Intake Manifold Top Performances 360° 35mm PWK / VHST Minarelli horizontal
Article no.: T9931700

Intake Manifold Top Performances 360° 35mm PWK / VHST Minarelli horizontal

47,00 €
Currently not in stock
RRP
56,00 €
-16% Discount
Barikit
Intake Manifold Barikit 360° 35mm PWK / VHST Minarelli horizontal
Article no.: BAR-TUB-06

Intake Manifold Barikit 360° 35mm PWK / VHST Minarelli horizontal

28,00 €
Currently not in stock
MVT
Intake Manifold 35mm PWK/VHST for MVT G3 case
Article no.: MVT-PIP16

Intake Manifold 35mm PWK/VHST for MVT G3 case

29,00 €
Currently not in stock
RRP
35,00 €
-17% Discount
Barikit
Intake Manifold Barikit 360° 35mm PWK / VHST Minarelli AM6
Article no.: BAR-TUB-04

Intake Manifold Barikit 360° 35mm PWK / VHST Minarelli AM6

23,50 €
Currently not in stock
Malossi
Intake Kit Malossi 35mm PWK / VHST / PHBH Vespa PXE 200cc
Article no.: M2014913

Intake Kit Malossi 35mm PWK / VHST / PHBH Vespa PXE 200cc

188,00 €
Currently not in stock
RRP
193,00 €
-3% Discount
Malossi
Intake Kit Malossi VHST / PWK Vespa Primavera ET3 125cc
Article no.: M2016319

Intake Kit Malossi VHST / PWK Vespa Primavera ET3 125cc

232,00 €
Currently not in stock
RRP
238,00 €
-3% Discount
Polini
Intake Kit Polini 35mm (PWK / VHST) Vespa PX 125 - 150cc
Article no.: P215.0456

Intake Kit Polini 35mm (PWK / VHST) Vespa PX 125 - 150cc

187,00 €
Currently not in stock
RRP
221,00 €
-15% Discount
Polini
Intake Manifold Polini 21.5mm SHB Vespa S
Article no.: P215.0005

Intake Manifold Polini 21.5mm SHB Vespa S

11,00 €
Currently not in stock
RRP
12,00 €
-8% Discount
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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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