How Atv's Work

Topics: Internal combustion engine, Two-stroke engine, Piston Pages: 6 (2402 words) Published: February 20, 2000
Thesis statement: All terrain vehicles are helpful and useful and I will explain how they work and how to fix them in this paper.

Outline: Inn this paper I will discuss ATV's and general knowledge and getting them wet. I also will discuss their origin and how they need care and how to keep them doing good for a long time.

What is an ATV? It is an All Terrain Vehicle, also called three or four wheelers. It is also called a quad or ATV. An ATV is built to go where other vehicles cannot go. ATV's are also built to handle a lot of stress and abuse. ATV's are virtually indestructible; however, they have a few weaknesses and it is important to know and understand those few weaknesses. You should always do a complete check of your ATV before riding . Second, ATV's also provide power and speed. There are also amphibian ATV's that float and go like a boat. ATV's were first "work" vehicles for telephone and electrical linemen and other types of people. They used the ATV's to get from one pole to another that went over difficult terrain where 4x4 trucks could not go.

(Estrem ATV's 10)
Second, you do not need a special permit or driver's license to drive a ATV although special training is recommend by several manufacturers and some even give seminars and free classes. I believe that some company's give cash back to people who take classes. I ,myself, have not taken any of these classes. There are no age limits or restrictions because these are not operated on public streets, roads or highways. ATV's are "Off-road" machines. There is also safety gear to protect you from harm. These accessories include helmets, gloves, boots, chest protectors and so on.

(Estrem ATV's 10-11)
Third, ATV's need some type of power plant to propel them. The types of power plants that are most common are the two stroke engine and the four stroke engine (A stroke is one movement of the piston Microsoft Encarta 96 Internal Combustion Engine). The general principle of the two-stroke engine is to shorten the periods in which fuel is put into the combustion chamber and in which the spent gases are exhausted to a small fraction of the duration of a stroke instead of allowing each of these operations to occupy a full stroke. In the simplest type of two-stroke engine, the poppet valves are replaced by sleeve valves or ports (openings in the cylinder wall that are uncovered by the piston at the end of its outward travel). In the two-stroke cycle, the fuel mixture or air is introduced through the intake port when the piston is fully withdrawn from the cylinder. The compression then stroke follows, and the charge is ignited when the piston reaches the end of this stroke. The piston then moves outward on the power stroke, uncovering the exhaust port and permitting the gases to escape from the combustion chamber.1 The four stroke model has four strokes instead of two. The strokes are Intake, into which a mixture of gas and air are pulled into the cylinder. Second, Compression, where the piston moves up and the gases are compressed. The Third is power in which the spark plug fires and ignites the compressed gases, And last is exhaust in which the gases that were burned are expels through the exhaust then the procedure repeats itself. The most common type of ATV (Three and Four wheelers) Manufactures are Yamaha, Honda, Kawasaki, Hosquravana, Suzuki and Polaris. There are several other brands but for time's sake I have only listed a few of the most popular ones. ATV's come in a variety of sizes and powers. from a small 80cc to a huge two stroke 600cc! I own a 1989 Yamaha Breeze and have to repair it quite often. There are some simple things to do that are cheap and will save money in the long run. For example adding transmission fluid or crankcase oil could save hundreds at a repair shop. Some times repairs get challenging as your quad (ATV) ages it will need special care such as an oil change, Brake pads, spark plugs ETC. You may even need to rebuild the...
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