When we first come into contact with motorcycles, we often find ourselves confused about this and that, especially under the descriptions of some experienced motorcycle enthusiasts, which makes us increasingly confused.

But in fact, the composition structure of a motorcycle is not as complex as we imagine. Especially after reading the content of this article, you will find that this motor vehicle composed of tens of thousands of parts is actually quite easy to understand. You may even have an urge to take it apart and have a look.

One, static

First of all, motorcycles can be divided into three major parts based on their basic structural components, namely the engine, the frame and the accessories.

1. Engine, among which the engine is the assembly with the highest integration rate. It is mainly composed of an internal combustion engine and a transmission.

Internal combustion engines can be further classified into many types based on their heat dissipation forms and cylinder block layouts. However, no matter how they change, the essence remains the same. This section is nothing more than the work distribution of compression, valve train, and transmission. In fact, the transmission is relatively simpler, mainly composed of variable speed gears and clutches.

Of course, if we further subdivide a motorcycle engine, there will be some additional components, such as an oil pump, balance shaft, starting device, cooling system, generator, and so on.

2. Frame: The frame mainly consists of the basic frame and the running mechanism. Nowadays, most motorcycles do not have more electrical auxiliary devices. They are basically some hardware made of different materials.

For instance, various types of frames made in one piece or braided, shock absorbers of different forms and specifications, brake kits, as well as wheels, tires and steering systems with relatively simple structures.

3. Accessories: Accessories are a miscellaneous item in the entire motorcycle. They cover various aspects. Besides some appearance parts that we can easily see, some electrical components, wiring harnesses, instruments, bulbs, and auxiliary designs can all be included in this project.

Ii. Dynamics

If we classify the structure of a motorcycle's working state, it can actually be simply divided into three parts, namely the powertrain, the control assembly, and the electrification system.

The powertrain is responsible for generating power and transmitting it. It is mainly composed of an oil supply system, an internal combustion engine, a gearbox and a transmission system. Among them, the engine and fuel supply system are responsible for generating power, the transmission is responsible for enhancing power and playing the role of secondary transmission, while the working mode of the transmission system is relatively simple, only responsible for the power output at the terminal.

2. Control assembly. Here, the term "assembly" refers to an integrated term for various operating components, and they can only play their due role under the reasonable operation of the driver.

For instance, when to accelerate, shift gears, brake, slow down, turn or make a U-turn are all decided by the operator. Without the intervention of the electrification assistance system, they lack the ability to think and respond on their own. In other words, the control assembly is actually just some functions derived from the vehicle frame.

3. Electrification systems: These systems are both in terms of hardware and software. We can see and touch them, but we cannot directly sense their existence. For instance, once the vehicle starts, it will supply fuel, generate electricity, ignite, and the lights and some auxiliary configurations will all be in standby mode (ABS, TCS), and the instrument panel will also display the real-time status of the vehicle.

However, what we can directly sense is only the values on the instrument panel. The operation of the generator, fuel supply system, changes in ignition timing and intensity, as well as the monitoring of ABS and others, are completely invisible to us. Especially for new models, our riding process is the result of the collaborative efforts of multiple systems.

After the above introduction, do you still think that the composition and structure of motorcycles are complex?

The first half will help us have a basic understanding of motorcycles, while the second half will delve into the dynamic level of cognition. So don't think of motorcycles as overly complicated. They are actually just bicycles equipped with an engine, but they have stronger integration capabilities and a higher degree of refinement.

This is also the reason why a very simple "object" can be mastered to perfection by others when it comes to mass production and usage, while we can only have a superficial understanding and fail to reach a higher level.

So while we have a clear understanding, we should not underestimate this fun tool and toy too much. We still need to use it reasonably and ride safely with a sense of caution.

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