Marine Carburetors

By: Eric Morris

The carburetor is that part of an automobile engine that converts liquid fuel into vapor. This is mixed with a certain amount of air that allows combustion in the cylinders. All gasoline vehicles have carburetors including boats and light aircrafts. Most engines have only one carburetor though some modern engines that have bigger engines or more than 4 cylinders use multiple carburetors.

The carburetor influences the speed of the engine. This is possible by controlling the flow of air into the engine. The main function of a carburetor is to ensure that a correct mixture of gasoline and air enters the engine. The carburetor can start the engine cold, make it idle, accelerate, or stop.

There are several kinds of marine carburetors depending on the kind of engine. They can be broadly categorized under 14 groups. These 14 models are mostly used in 2 and 4 barrels and Mercruisers. There are also remanufactured or rebuilt carburetors available for all kinds of engines, including 4-cylinder, 6-cylinder, and 8-cylinder. These are ideal for marine boats that run in both fresh water as well as salt water. The most popular brands of marine carburetors are Holley, Rochester, Carter Weber, and Mercarb. Marine carburetors should ideally adhere to US Coast Guard safety standards.

There are several websites over the Internet that contains information about marine carburetors. Such websites also provide marine carburetor rebuild kits for many boat models. These kits can be ordered online and are usually shipped on the same day with free shipping. Companies also provide professional support by technicians who can take a look at the engine and help to decide the best carburetor kit for rebuilding the carburetor.

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