Readers ask: What Does A Emulsion Tube Do In A Carburetor?

Why is the emulsion tube important to atomization?

Somewhere in between, the fuel and air are intermixed to form an emulsion – a fine dispersant of the air inside the fuel. This assists the atomisation of the fuel as it eventually enters the engine airstream. This is the function of the emulsion tube.

How do Weber emulsion tubes work?

The emulsion tube is referred to by Weber as a “brake” which is meant to describe its purpose as a device that slows the flow of fuel from the main jet to the discharge tube in the auxiliary venturi.

How do you clean a carburetor emulsion tube?

Re: How to Remove the Emulsion tubes from Carbs The way I knocked the tubes out was to spray down the tube from the top and bottom with carb cleaner to try to dislodge any crud, take the slides/needles out of the topside of the carb and you can tap it out with a small punch and a small dead-blow hammer.

Where is the emulsion tube fitted in the Solex carburettor?

All Answers (1) Emulsion tube in a carburettor is used to maintain the air fuel ratio at all speeds.It consists of a well with main metering jet at its bottom. The jet has holes on its sides.It is in communication with atmospheric air. Initially air is drawn through the holes into the well and petrol is emulsified.

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What is carburetor tube?

A carburetor consists of an open pipe through which the air passes into the inlet manifold of the engine. The pipe is in the form of a venturi: it narrows in section and then widens again, causing the airflow to increase in speed in the narrowest part.

How does carb jet work?

Carburetors contain tiny nozzles—these are the “jets”—that have holes. Fuel passes through these holes to mix with air. This creates mist, which then travels to the combustion chamber, where it’s used as energy to run your engine.

How do you tune a Weber carburetor?

First, turn in the mixture screw until the engine dies or runs worse, then back out the screw (recommend turning ¼ to ½ turn at a time). The engine should pick up speed and begin to smooth out. Back out ½ turn more, or until the screw does nothing or runs worse then turn back to the point where it ran its best.

How does a carburetor venturi work?

The air passes through a narrowed neck inside the carburettor (called a venturi ), which speeds up its flow at that point. As air flows faster its pressure drops, so there is a slight vacuum inside the venturi. The fuel jet opens into the venturi, and the partial vacuum sucks fuel through the jet into the air stream.

What is pilot jet in carburetor?

The pilot jet handles the mixture from idle to 15 to 20 percent throttle. Air comes in through the front of the carburetor drawing fuel up through the pilot with a vacuum that is created as the air flows through the pilot circuit.

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