Often asked: Where Does Air Vent Hose Connect To On Motorbike?

Where do the carburetor hoses go?

They are on the left side rear of the carb. Attach a hose to each one and run them either to the upper airbox area underneath the seat, or down below the carbs and to the rear of the engine. Like you said the petcock has two tubes; one is a vacuum and the other is the fuel feed to the carbs.

What is a carburetor breather hose?

These tubes just vent the float bowls to atmosphere, so gas can move, and provide an exit for overflow therefrom.

What is the screw on the bottom of the carburetor?

On the very bottom of the carburetor bowl there will be a small brass cover screw, using a flat screw driver, open this screw and allow all gas to drain from the carburetor system. Next, close the screw and reinstall the fuel line. This will sometimes flush the dirt from the needle and seat.

What are the 2 hoses on a carburetor?

Re: What do the 2 vent hoses on the carb do? you have to allow air to get out of the float bowl, to allow fuel to get in and to allow the engine to draw fuel Don’t know if only one was clogged would cause anything, but keep them both clear and open anyway

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What does the float bowl vent do?

pipeburn Adventurer. The float bowls are vented to atmosphere. When you changed the line and turned the petcock on fuel will only flow if the floats are not touching the seat, thus if the bowls had fuel ion them fuel would run fill the line then stop.

Why is my carburetor overflowing?

When the tip of the valve becomes worn or debris prevents the closing of the valve, fuel flows continuously into the bowl thus flooding the engine. Under severe conditions gas may soak the air filter or overflow out of the carburetor and onto the ground while parked.

What do carburetor vacuum lines do?

Vacuum is caused by the engine “inhaling” the fuel/air mixture when it is running. The intake manifold is between the carburetor, or air box (fuel injected), and the engine. Manifold vacuum is what the vacuum lines are connected to the manifold for. These help keep your engine operating at peak efficiency.

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