Where to Spray Carb Cleaner on an Outboard

If the performance of your vehicle is starting to decline, you notice that the drives are not as smooth as it used to be earlier, then there is a good possibility that it needs maintenance. It is best to check with the mechanic, but usually, it might be the carburetors that might be the source of the issue. There is a deposit of fuel varnish on the carburetors and the injectors that inhibit them from functioning properly. When these deposits add up it leads to inhibiting fuel flow in the engine. Whenever there is even a slight issue with the flow of fuel to the engine, it leads to issues like causing the engine to stall, misfire or run roughly.

In such scenarios, you need to clean the carburetors and surrounding parts for the engine to start working smoothly again. There are various carburetor cleaner products around the market and you must choose one depending on what you like the best.

Carb Cleaner Contents

There are various resources and chemicals that are used in the manufacture of Carb cleaner products. Before you start spraying that spray for your engine it is important to understand the contents of the carb cleaner. Some of the contents or ingredients used in the carburetor cleaner are Acetone, Xylene, Toluene, Methyl Ethyl Ketone (MEK), Ethyl benzene, 2-Butoxyethanol, and propane.

Instructions on Spraying the Carb Cleaner

You have to be very careful when you are spraying the carb cleaner. The contents of the carburetor cleaner are toxic and therefore can be hazardous for your health. Proper care and handling are required for spraying the cleaner. With the passage of time, the carburetors become clogged with varnish, dirt, and gum. The various carb cleaner products available in the market does the job of cleaning the carburetors effectively. However, there are some precautions that you must take. First and foremost you need to keep the carburetor cleaner away from electrical connections and the battery terminals. Spraying should be done in an upright position. You should also insert the plastic tube into the valve button.

When cleaning with the engine off, you must remove the air cleaner and clean carburetor from the outside as well as the entire linkage. Another area to spray is the exposed ends of the cool heat riser shaft. Allow it to penetrate well before cleaning. Also, you should be moving counterweight up-down until it is completely free.

When cleaning with the engine running spray on both ends of choke valve shaft while working the choke with hand. Spray around the throat of the carburetor to eliminate the deposits from throttle plate area. Make sure that you don’t spray below the throttle plate. There are some components that must be avoided while cleaning with the spray. These components include the D-ring, diaphragm on the accelerator pump as well as air cut-off valve. Spraying on these components can potentially cause damage to them.

These are some of the instructions that you must give attention to while spraying carb cleaner outboard.


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