Significant Things To Consider Before Buying A 4-stroke Engine

Engines come in two distinct categories, which include two-stroke and four-stroke. 2-stroke engines consume higher amounts of gas compared to 4-stroke engines, which makes a 4-stroke an energy-saver and low pollution engine, a favorite among motorists.

Four-stroke Engine

There is no shortage of 4-stroke engines in the market today, but the problem is, how do you find the right one? If you’re planning to buy an engine, such as a 150cc 4 stroke engine, then is sure to read on as this article will discuss the essential things to consider when purchasing one.

Before we delve on to the essential factors of a four-stroke engine, let us first discuss vital information about them.

What is a Four-stroke Engine?

According to an article by the University of Windsor, a 4-stroke engine is an internal combustion engine that uses four distinctive piston strokes, which include the following:

Intake Stroke

Known as the intake event, occurs when the air-fuel combination is introduced to fill the combustion chamber.

Compression Stroke

As the air and fuel mixture is sealed inside the cylinder, it needs to be compressed to lead to the ignition event that produces heat energy.

Power Stroke

Power stoke is an engine operation that is needed to apply torque to the crankshaft, which initiates crankshaft rotation.

Exhaust Stroke

The exhaust stroke is the last stroke that expels gases from the combustion chamber, and this occurs when the intake valve is closed.


One of the most vital things to consider when buying a 150cc 4 stroke engine is the materials used in making them. It is of the utmost importance that you buy engines made of high-quality materials. Engine materials need to be high-strength, resistive from corrosion, and long-life.

Buying engines made from cheap and low-quality materials will cost you more money in the long run. Inferior engines will break down more quickly, leading to frequent repairs.


In connection with materials, price is an excellent determinant of the durability of an engine, because low-priced engines tend to be made up of low-quality materials. You would be better off by investing in engines that are reasonably priced rather than cheaply-priced because you will surely get your money’s worth.


Specifications are essential because they will be the basis of the performance of your engine. It pays to know about include displacement, max torque, max horsepower, and speed.

Knowing the specifications of a particular engine is essential to choose the right one. This will be regardless of whether you are going to use it for regular driving, out of town road trips, or driving competitions.

Reading Testimonials and Reviews

With all the products available in the market today, you can easily be persuaded by marketing schemes in buying engines that are not exceptional in performance, reading reviews provides a solution to this predicament.

Reading reviews and testimonials of previous clients is essential because you get to learn from shared experience what it would be like owning an engine that you’re planning to buy.

Reading numerous positive reviews of a particular engine gives you the confidence to buy them since they are already tested and proven to have exceptional performance. You will be assured and wouldn’t stress about your engine breaking down during your road trips or racing competitions.

Buying an engine for your dirt bike or all-terrain vehicle (ATV) shouldn’t be a hassle. Hopefully, the factors mentioned above can help you in selecting the appropriate engine for your needs.

Find more things to know in our vehicle maintenance series.

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