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Intake Manifolds

(11 products)
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11
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Product type
Intake kit Intake manifold
Intake manifold connection
18mm 19mm 20mm 21mm 23mm 24mm 25,5mm 25mm 26mm 28,5mm 28mm 29mm 30mm 31mm 35mm 36mm 40mm Bolt spacing 34mm
Brand
Athena Polini Stage6
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18mm 19mm 21mm 23mm 28,5mm
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Stage6
Intake Manifold Stage6 360° AM6 / Derbi blue for CP Evolution
Article no.: S6-3318833/BL

Intake Manifold Stage6 360° AM6 / Derbi blue for CP Evolution

62,00 €
In stock
RRP
68,00 €
-9% Discount
Stage6
Intake Manifold Stage6 360° AM6 / Derbi black for CP Evolution
Article no.: S6-3318833/BK

Intake Manifold Stage6 360° AM6 / Derbi black for CP Evolution

62,00 €
In stock
RRP
68,00 €
-9% Discount
Athena
Intake Manifold Athena 19mm Puch Maxi
Article no.: AT-002005

Intake Manifold Athena 19mm Puch Maxi

9,00 €
In stock
Sale
Polini
Intake Kit Polini Big Valve d=12-15mm Peugeot 103 SP / MVL
Article no.: P215.0300

Intake Kit Polini Big Valve d=12-15mm Peugeot 103 SP / MVL

58,00 €
In stock
RRP
59,00 €
-2% Discount
Polini
Intake Manifold Polini 18mm SHA Minarelli RV4 / RV6 / AM6
Article no.: P215.0194

Intake Manifold Polini 18mm SHA Minarelli RV4 / RV6 / AM6

8,00 €
In stock
RRP
11,00 €
-27% Discount
Polini
Intake Manifold Polini 360° 28.5mm CP EVO Derbi Euro
Article no.: P215.0440

Intake Manifold Polini 360° 28.5mm CP EVO Derbi Euro

59,50 €
Currently not in stock
RRP
64,00 €
-7% Discount
Polini
Intake Manifold Polini 360° 28.5mm CP EVO AM6 / Derbi
Article no.: P215.0439

Intake Manifold Polini 360° 28.5mm CP EVO AM6 / Derbi

59,50 €
Currently not in stock
RRP
64,00 €
-7% Discount
Polini
Intake Manifold Polini CP 360° 28.5mm CP EVO Minarelli horizontal
Article no.: P215.0441

Intake Manifold Polini CP 360° 28.5mm CP EVO Minarelli horizontal

59,50 €
Currently not in stock
RRP
64,00 €
-7% Discount
Polini
Intake Manifold Polini 360° 28.5mm CP EVO Piaggio / Gilera 50 - 180
Article no.: P215.0431

Intake Manifold Polini 360° 28.5mm CP EVO Piaggio / Gilera 50 - 180

60,50 €
Currently not in stock
RRP
64,00 €
-5% Discount
Polini
Intake Kit Polini Big Valve 23mm PHBG MBK 51
Article no.: P215.0246
1

Intake Kit Polini Big Valve 23mm PHBG MBK 51

57,00 €
Currently not in stock
RRP
67,00 €
-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

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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