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Intake Manifolds

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Product type
Intake kit Intake manifold
Intake manifold connection
19mm 20mm 23mm 24mm 25,5mm 25mm 28,5mm 35mm 36mm
Brand
Barikit Derbi Doppler Malossi MotoForce MotoForce Racing MVT Naraku Parmakit Peugeot Piaggio Polini Schmitt Stage6 Standard Parts Yamaha
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20mm 24mm 25mm Doppler MotoForce Racing Polini
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MotoForce Racing
Intake Manifold Motoforce Racing 24/35mm PHBG / PWK / VHST Derbi
Article no.: MF15.19030
23

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

24,00 €
In stock
RRP
28,00 €
-14% Discount
MotoForce Racing
Intake Manifold Motoforce Racing 24/35mm PHBG / PWK / VHST Minarelli AM6
Article no.: MF15.19020
20

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

25,00 €
In stock
RRP
32,50 €
-23% Discount
Sale
MotoForce Racing
Intake Manifold Motoforce Racing 24/35mm PHBG / PWK / VHST Minarelli horizontal
Article no.: MF15.16630
26

Intake Manifold Motoforce Racing 24/35mm PHBG / PWK / VHST Minarelli horizontal

30,50 €
In stock
MotoForce Racing
Intake Manifold Motoforce Racing 24/35mm PHBG / PWK / VHST Piaggio 50-180cc
Article no.: MF15.14010
5

Intake Manifold Motoforce Racing 24/35mm PHBG / PWK / VHST Piaggio 50-180cc

32,00 €
In stock
Polini
Intake Manifold Polini Evolution 24mm PHBG Derbi
Article no.: P215.0417
4

Intake Manifold Polini Evolution 24mm PHBG Derbi

42,00 €
In stock
RRP
58,00 €
-28% Discount
Sale
Polini
Intake Manifold Polini Big Valve 24mm PHBG Minarelli vertical
Article no.: P215.0416
3

Intake Manifold Polini Big Valve 24mm PHBG Minarelli vertical

46,00 €
In stock
RRP
62,00 €
-26% Discount
Sale
Polini
Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal
Article no.: P215.0410
23

Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal

105,00 €
In stock
RRP
147,00 €
-29% Discount
Sale
Polini
Intake Manifold Polini 360° / 58° 25mm PHBG / CP Minarelli horizontal
Article no.: P215.0425
4

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° 25mm AM6 / Derbi
Article no.: P215.0427
2

Intake Manifold Polini 360° 25mm AM6 / Derbi

59,00 €
Currently not in stock
RRP
64,00 €
-8% 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
Doppler
Intake Manifold short 3D print 24mm Doppler Peugeot 103 MVL / SP
Article no.: CGN516867

Intake Manifold short 3D print 24mm Doppler Peugeot 103 MVL / SP

25,00 €
Currently not in stock
35,00 €
-29% Discount
Polini
Intake Kit Polini Big Valve 24mm Peugeot 103 SP / MVL
Article no.: P215.0301
1

Intake Kit Polini Big Valve 24mm Peugeot 103 SP / MVL

52,50 €
Currently not in stock
RRP
59,00 €
-11% Discount
Polini
Intake Manifold Polini 24mm PHBG Peugeot 103 SP
Article no.: P215.0225
1

Intake Manifold Polini 24mm PHBG Peugeot 103 SP

8,80 €
Currently not in stock
RRP
10,00 €
-12% Discount
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 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

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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