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Intake Manifolds

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Intake kit Intake manifold Intake rubber Reed valve
Intake 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
Carburetor diameter
12mm 14mm 15mm 17,5mm 19mm 21mm 34mm
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Athena Barikit Derbi Doppler Italkit Malossi MotoForce MotoForce Racing MVT MXS Racing Naraku Parmakit Peugeot Piaggio Polini Schmitt Stage6 Standard Parts Top Performances Yamaha
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Polini
Intake Manifold Polini 19mm SHA Peugeot 103 SPX / RCX / Vogue
Article no.: P215.0226

Intake Manifold Polini 19mm SHA Peugeot 103 SPX / RCX / Vogue

8,50 €
Currently not in stock
RRP
9,70 €
-12% Discount
Polini
Intake Manifold Polini 24mm PHBG Peugeot 103 SP
Article no.: P215.0225

Intake Manifold Polini 24mm PHBG Peugeot 103 SP

8,80 €
Currently not in stock
RRP
10,00 €
-12% Discount
Naraku
Intake Manifold Naraku Beta RR / Aprilia MX 50cc AM6
Article no.: NK200.36

Intake Manifold Naraku Beta RR / Aprilia MX 50cc AM6

25,50 €
Currently not in stock
MVT
Intake Kit MVT S-Race 24mm PHBG Minarelli AM6
Article no.: MVT-CL1

Intake Kit MVT S-Race 24mm PHBG Minarelli AM6

54,00 €
Currently not in stock
RRP
64,00 €
-16% Discount
Polini
Intake Manifold Polini 24mm Benelli / Minarelli
Article no.: MOF-215.0120

Intake Manifold Polini 24mm Benelli / Minarelli

25,50 €
Currently not in stock
RRP
27,00 €
-6% Discount
Peugeot
Intake Manifold original Peugeot horizontal
Article no.: OE-PEU771854

Intake Manifold original Peugeot horizontal

42,50 €
Currently not in stock
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 Manifold 19mm SHA Puch Maxi
Article no.: M022178B

Intake Manifold 19mm SHA Puch Maxi

52,00 €
Currently not in stock
Polini
Intake Manifold 20mm for Polini cylinder P144.0151 Puch Maxi
Article no.: P215.0384

Intake Manifold 20mm for Polini cylinder P144.0151 Puch Maxi

15,00 €
Currently not in stock
RRP
17,00 €
-12% Discount
Polini
Intake Manifold Polini Serie 5000 / 6000 Morini
Article no.: P215.0193

Intake Manifold Polini Serie 5000 / 6000 Morini

19,00 €
Currently not in stock
RRP
21,00 €
-10% Discount
Polini
Intake Manifold 40mm PWK 30-36 Polini P.R.E 100cc
Article no.: P215.0458

Intake Manifold 40mm PWK 30-36 Polini P.R.E 100cc

69,50 €
Currently not in stock
RRP
81,00 €
-14% Discount
Polini
Intake Flange 24mm Polini CP Piaggio Ape 50
Article no.: P343.0037

Intake Flange 24mm Polini CP Piaggio Ape 50

21,50 €
Currently not in stock
RRP
24,00 €
-10% 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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