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Intake Manifolds

(11 products)
Carburetor and Intake Carburetors Intake Manifolds Reed Valves and Petals Carburetor Accessories Jets Fuel System Air filter Injection System
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Product type
Intake kit Intake manifold Intake rubber
Intake manifold connection
23mm 24mm 25,5mm 25mm 28,5mm 35mm 36mm 40mm
Carburetor diameter
21mm
Brand
2Fast Barikit Malossi MotoForce MotoForce Racing MVT MXS Racing Peugeot Piaggio Polini Stage6 Stage6 R/T Standard Parts Top Performances Voca Racing Yamaha
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25,5mm 25mm 28,5mm 36mm Polini
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Polini
Intake Manifold Polini 35mm PWK / VHST Piaggio 50-180cc
Article no.: P215.0436
1

Intake Manifold Polini 35mm PWK / VHST Piaggio 50-180cc

68,00 €
In stock
RRP
85,00 €
-20% Discount
Sale
Polini
Intake Manifold Polini 360° / 58° 35mm PWK / VHST Minarelli horizontal
Article no.: P215.0426

Intake Manifold Polini 360° / 58° 35mm PWK / VHST Minarelli horizontal

61,00 €
In stock
RRP
64,00 €
-5% Discount
Polini
Intake Manifold Polini Big Valve 24mm PHBG Minarelli vertical
Article no.: P215.0416

Intake Manifold Polini Big Valve 24mm PHBG Minarelli vertical

51,00 €
In stock
RRP
62,00 €
-18% Discount
Sale
Polini
Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal
Article no.: P215.0410

Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal

118,00 €
In stock
RRP
147,00 €
-20% Discount
Sale
Polini
Carburetor / Intake Kit Polini CP 21 Minarelli vertical
Article no.: S6-3216800/PACK01

Carburetor / Intake Kit Polini CP 21 Minarelli vertical

231,30 €
Currently not in stock
257,00 €
-10% Set-Rabatt
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° / 58° 25mm PHBG / CP Minarelli horizontal
Article no.: P215.0425

Intake Manifold Polini 360° / 58° 25mm PHBG / CP Minarelli horizontal

62,00 €
Currently not in stock
RRP
64,00 €
-3% 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 Manifold Polini 360° 35mm PWK / VHST Piaggio 50-180cc
Article no.: P215.0424

Intake Manifold Polini 360° 35mm PWK / VHST Piaggio 50-180cc

63,00 €
Currently not in stock
RRP
64,00 €
-2% Discount
Polini
Intake Manifold Polini 360° / 58° 25mm Piaggio / Gilera
Article no.: P215.0423

Intake Manifold Polini 360° / 58° 25mm Piaggio / Gilera

62,00 €
Currently not in stock
RRP
64,00 €
-3% Discount
Polini
Intake Rubber Boot Polini CP 28,5/28,5mm
Article no.: P223.0123

Intake Rubber Boot Polini CP 28,5/28,5mm

9,50 €
Currently not in stock
RRP
10,00 €
-5% 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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