HS code correlation with global standards

* Motorcycle engine parts (motorcycle engine parts) are HS code correlation with global standardsthe various parts that make up the motorcycle engine, and their importance is self-evident.The engine is the heart of a motorcycle. Its quality, performance and durability directly affect the safety, comfort and economy of the whole motorcycle. Therefore, choosing accessories suitable for your car model and frequent maintenance is the most concerned issue for motorcycle enthusiasts. I. The cylinder engine cylinder is a part installed in the engine body. The materials of the cylinder are cast iron and aluminum alloy. The cast iron cylinder is cheap and durable, but the weight is large and the heat dissipation is not good; the aluminum alloy cylinder is light but slightly expensive, and its heat dissipation performance is better than that of cast iron. II. The crankshaft is the skeleton of the engine, which is responsible for the up and down movement of the connecting rod, turning it into linear power through rotation, and transmitting power to the motorcycle tires to drive the motorcycle forward. The material of the crankshaft is usually made of cast iron or steelmaking. Cast iron is heavier than steelmaking, but stable; steelmaking is lighter than cast iron, but the price is higher.III. The connecting rod is one of the important parts of the engine. It converts the up and down movement of the piston into the rotation of the crankshaft. The material of the connecting rod is more widely used as bimetallic, with one end of steel and copper alloy at the other end. This material is more suitable for high-speed and high-load working conditions, and it is more durable. IV. Piston piston is another important component of the engine. Its function is to move up and down in the cylinder and transmit power to the crankshaft through the connecting rod. Most of the materials of pistons are made of aluminum alloy, especially aviation-grade high-strength aluminum alloy, which is light and high-strength, suitable for high-speed working conditions. V. The valve is a component that controls the intake and exhaust of the engine. It is generally composed of valve skin and valve seat. Its material is usually made of stainless steel, heat-treated steel and other high-temperature and wear-resistant materials. The sealing of the valve is related to the torque of the line. If it is too tight, it is easy to cause failure, and if it is too loose, the airtightness will decrease.VI. The function of the valve spring is that if the valve is opened, it will pull the valve back to its original position to ensure that the valve is closed normally, so its tension requirements are relatively high. At the same time, its durability is also very important. It usually uses high-quality spring steel materials and undergoes reasonable heat treatment to ensure sufficient durability. VII. Friction pads Friction pads are parts used to transmit power in motorcycle engines. They have a variety of materials, among which the most commonly used are graphite cast iron and steel friction pads. The friction force of these two materials is relatively stable, so they are more suitable for use in high-load environments. The reasonable selection of friction pads is very beneficial to improving the performance and service life of motorcycles. In a word, the selection and maintenance of motorcycle engine parts are crucial to ensuring the safety of motorcycles and improving their performance.Reasonably select accessories, maintain and replace parts regularly, so as to ensure the high-speed operation of the motorcycle. Of course, the performance and service life of the above accessories must be strictly tested to ensure their quality and stability, so that motorcycle enthusiasts can drive at ease and enjoy the fun of riding.

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