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Intake Manifolds

(17 products)
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
16mm 18mm 19mm 20mm 21mm 23mm 24mm 25,5mm 25mm 28,5mm 28mm 29mm 30mm 31mm 33mm 34mm 35mm 36mm 40mm 44mm 45mm Bolt spacing 34mm
Carburetor diameter
21mm
Brand
Barikit Derbi Malossi MotoForce MotoForce Racing MVT Naraku Peugeot Piaggio Polini Stage6 Standard Parts Yamaha
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25mm 45mm Malossi Piaggio Polini Standard Parts
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Standard Parts
Intake Rubber Boot 24mm / 28mm universal Derbi
Article no.: MF99.20181

Intake Rubber Boot 24mm / 28mm universal Derbi

5,10 €
In stock
7,10 €
-28% Discount
Sale
Malossi
Intake System Malossi Viton 21mm AM6 / Derbi Euro 2 / Euro 3
Article no.: M2013800
31

Intake System Malossi Viton 21mm AM6 / Derbi Euro 2 / Euro 3

74,00 €
In stock
RRP
74,50 €
-1% Discount
Standard Parts
Intake Manifold Beta RR 50 / Aprilia RX 50 AM6
Article no.: CGN524153

Intake Manifold Beta RR 50 / Aprilia RX 50 AM6

13,00 €
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
Carburetor / Intake Kit Polini CP 21 Minarelli vertical
Article no.: S6-3216800/PACK01

Carburetor / Intake Kit Polini CP 21 Minarelli vertical

234,00 €
In stock
260,00 €
-10% Set-Rabatt
Polini
Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal
Article no.: P215.0410
23

Intake Kit Polini Big Valve 24mm PHBG Minarelli horizontal

132,00 €
In stock
RRP
147,00 €
-10% Discount
Standard Parts
Intake Manifold aluminium + boot 24mm Minarelli AM6
Article no.: MF15.19023

Intake Manifold aluminium + boot 24mm Minarelli AM6

40,50 €
In stock soon
Piaggio
Intake Manifold original Piaggio / Vespa 50cc 2T
Article no.: OE-PIA830939

Intake Manifold original Piaggio / Vespa 50cc 2T

10,50 €
In stock soon
Malossi
Intake Rubber Boot Malossi 45mm for PHM Vergaser
Article no.: M130929B

Intake Rubber Boot Malossi 45mm for PHM Vergaser

14,50 €
Currently not in stock
Malossi
Intake Rubber Malossi 24mm Minarelli horizontal
Article no.: M028481B

Intake Rubber Malossi 24mm Minarelli horizontal

46,50 €
Currently not in stock
RRP
47,00 €
-1% Discount
Malossi
Intake Manifold Malossi NBR 24mm Minarelli vertical
Article no.: M028400B
5

Intake Manifold Malossi NBR 24mm Minarelli vertical

53,00 €
Currently not in stock
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
Malossi
Intake Rubber Boot Malossi 24/25mm PHVA / PHBG long
Article no.: M1311128B

Intake Rubber Boot Malossi 24/25mm PHVA / PHBG long

13,00 €
Currently not in stock
RRP
15,00 €
-13% Discount
Malossi
Intake Rubber Boot Malossi 24/25mm PHVA / PHBG short
Article no.: M136085B

Intake Rubber Boot Malossi 24/25mm PHVA / PHBG short

8,60 €
Currently not in stock
RRP
11,00 €
-22% 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
Polini
Intake Manifold Polini Big Valve 24mm PHBG Minarelli vertical
Article no.: P215.0416
3

Intake Manifold Polini Big Valve 24mm PHBG Minarelli vertical

57,50 €
Currently not in stock
RRP
62,00 €
-7% 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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