【Tricycle】- Vivian Tian        +86-186-2330-4355      VivianTian86@hotmail.com               【Spare Parts】- Hamble       +86-166-2336-3392        motor4@kainiugroup.com
Piston HLX125
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Piston HLX125

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Piston MODEL HLX125


Product Detail




ModelHLX125
CYL DIA57
TOTAL HIGH37.4
COMP DIST20
RING0.8*0.8*1.5
PIN DIA14
PIN LENGTH38


Unleash the Power of Your Engine with HLX125 Piston


Product Overview
The Piston HLX125 is a crucial component within the engines of motorcycles and tricycles, playing a fundamental role in power generation and transfer. As an integral part of engine parts and motorcycle parts, it directly impacts the performance, efficiency, and durability of the vehicle's engine. In the realm of tricycle parts as well, the piston is no less important, ensuring smooth operation for tricycles used in various applications, from daily commuting to small - scale transportation businesses.
This piston, designed specifically for the HLX125 model, is engineered to meet the high - stress demands of two - and three - wheeled engines. It works in tandem with other components like the piston ring to convert the energy from the combustion process into mechanical motion, which ultimately drives the vehicle forward.


Key Specifications
  • Model: HLX125. This specific model number indicates that the piston is custom - designed for engines with the HLX125 designation. Using a piston that is not designed for a particular engine model can lead to compatibility issues, such as improper fit, which in turn can cause reduced power output, increased fuel consumption, and potential engine damage. For the HLX125, this piston is engineered to match the engine's internal geometry precisely, ensuring optimal performance.

  • CYL DIA (Cylinder Diameter): 57. The cylinder diameter, also known as the bore, is a critical dimension. A 57 - mm bore size determines the volume of the combustion chamber when combined with the piston's stroke. A larger bore generally allows for more air - fuel mixture to be burned during each combustion cycle, which can result in increased power output. However, in the case of the HLX125 piston with its 57 - mm bore, it is optimized to provide a balance between power and fuel efficiency suitable for the motorcycle or tricycle's intended use.

  • TOTAL HIGH (Total Height): 37.4. The total height of the piston affects its movement within the cylinder. If the piston is too short, it may not create a proper seal, leading to gas leakage and a loss of compression. On the other hand, if it is too tall, it can cause interference with other engine components. The 37.4 - unit height of the HLX125 piston is carefully calibrated to ensure smooth reciprocating motion within the cylinder, maintaining consistent compression ratios and efficient combustion.

  • COMP DIST (Compression Distance): 20. Compression distance is related to the distance the piston travels from the bottom - dead - center to the top - dead - center during the compression stroke. A compression distance of 20 impacts the compression ratio of the engine. A higher compression ratio can lead to better fuel - combustion efficiency and increased power, but it also requires higher - octane fuel to prevent knocking. For the HLX125, this 20 - unit compression distance is set to achieve an optimal balance between power production and fuel compatibility for the engine.

  • RING (Piston Ring Dimensions): 0.8*0.8*1.5. Piston rings are crucial for sealing the combustion chamber and controlling oil consumption. The dimensions 0.8*0.8*1.5 refer to the cross - sectional dimensions of the piston ring. The first two 0.8 values might represent the width and height of the ring's cross - section, while the 1.5 could be another relevant dimension such as the thickness of the ring's contact surface. These precise dimensions ensure a proper seal between the piston and the cylinder wall. A well - fitting piston ring reduces the leakage of combustion gases, which is essential for maintaining high engine performance, power, and fuel economy. It also helps in controlling the amount of oil that enters the combustion chamber, preventing excessive oil burning and maintaining clean exhaust emissions.

  • PIN DIA (Piston Pin Diameter): 14. The piston pin connects the piston to the connecting rod, allowing the transfer of force from the piston to the crankshaft. A 14 - mm diameter piston pin is sized to handle the forces generated during the engine's operation. If the pin diameter is too small, it may not be able to withstand the stress and could potentially break, leading to engine failure. A larger - than - necessary pin diameter might add unnecessary weight and complexity to the engine. The 14 - mm diameter for the HLX125 piston pin is designed to provide a reliable connection while optimizing the overall performance and weight of the engine's reciprocating assembly.

  • PIN LENGTH: 38. The length of the piston pin is also significant. A 38 - unit length ensures that the pin can effectively distribute the forces acting on it between the piston and the connecting rod. The right pin length helps in maintaining the alignment of the piston within the cylinder and the connection with the connecting rod. If the pin is too short, it may not provide sufficient support, and if it is too long, it can interfere with other components in the engine's lower end.

Superior Design and Structure
Piston Ring Design for Optimal Sealing
The piston ring of the Piston HLX125 is a marvel of engineering design. Its 0.8*0.8*1.5 dimensions are not just arbitrary numbers; they are the result of meticulous research and development. The design of the piston ring ensures enhanced sealing within the combustion chamber. When the engine is in operation, high - pressure gases are generated during the combustion process. A well - designed piston ring, like the one in the HLX125 piston, acts as a barrier, preventing these gases from leaking past the piston and into the crankcase.

The shape and dimensions of the piston ring allow it to conform closely to the cylinder wall. This close fit creates a tight seal, maintaining the high - pressure environment within the combustion chamber. As a result, more of the energy from the combustion is effectively transferred to the piston, driving it downward with greater force. This not only increases the engine's power output but also improves fuel efficiency. For example, in a motorcycle or tricycle running on an engine with a properly sealed piston ring, the engine can achieve better mileage as less energy is wasted due to gas leakage.


Reducing Wear for Long - Term Durability
Wear is a major concern in engine components, especially those like the piston and piston ring that are constantly in motion under high - stress conditions. The HLX125 piston ring is designed to minimize wear. The precise dimensions contribute to even distribution of pressure along the contact surface with the cylinder wall. This even pressure distribution reduces the likelihood of uneven wear, which can lead to premature failure of the piston ring.
Moreover, the material used in the piston ring is carefully selected for its wear - resistance properties. It can withstand the high - temperature and high - friction environment within the engine for an extended period. The piston ring's ability to resist wear means that the overall engine has a longer service life. For motorcycle and tricycle owners, this translates to fewer engine overhauls and lower maintenance costs over time. They can rely on their vehicles to operate smoothly for a more extended period without the need for frequent replacement of the piston or piston ring.

In addition, the design of the piston itself, with its specific height (37.4) and compression distance (20), also plays a role in reducing wear on the piston ring. A piston that moves smoothly within the cylinder, without excessive lateral movement or misalignment, helps to keep the piston ring in optimal working condition, further contributing to its long - term durability.


Quality Assurance
Quality is at the core of the Piston HLX125 production. From the very beginning of the manufacturing process, strict quality control measures are implemented.
Rigorous Material Selection
Only high - grade materials are chosen for the production of the HLX125 piston. The alloy used for the piston body is carefully selected to ensure high strength and heat - resistance. High - quality materials can withstand the high - temperature and high - pressure environment within the engine during operation. For example, the material can resist thermal expansion and contraction, maintaining the piston's dimensional stability even under extreme temperature changes. This stability is crucial for preventing piston - cylinder misalignment and ensuring smooth engine operation.
Stringent Production - Process Inspection
During the production process, multiple inspection points are set up. Each production step is closely monitored. For instance, after the piston is cast, it undergoes a series of non - destructive tests, such as ultrasonic testing, to check for any internal defects like porosity or cracks. These defects, if undetected, could lead to piston failure during engine operation, causing serious damage to the engine.
The piston ring, with its precise 0.8*0.8*1.5 dimensions, also undergoes strict quality checks. The flatness and roundness of the piston ring are measured to ensure that it can provide an optimal seal within the combustion chamber. A deviation in these measurements could result in gas leakage, reducing engine performance and efficiency.
Final - Product Quality Testing
Before leaving the factory, every Piston HLX125 unit is subjected to comprehensive performance testing. It is tested in simulated engine environments, where parameters such as compression ratio, power output, and fuel consumption are monitored. If the piston fails to meet the pre - set performance standards, it will not be released into the market.
Moreover, long - term durability tests are also carried out. The piston is run continuously for an extended period to simulate real - world usage scenarios. This testing ensures that the piston can maintain its performance and integrity over a long service life, giving motorcycle and tricycle owners the confidence that they are purchasing a reliable product.
We stand firmly behind the quality of the Piston HLX125. Our commitment to quality assurance means that customers can expect a product that not only meets but exceeds industry standards, providing them with a high - performance and long - lasting engine component for their motorcycles and tricycles.



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【Tricycle】 - Vivian Tian
 Email: VivianTian86@hotmail.com
 WhatsApp: +86-173-8479-7166
Tel: +86-186-2330-4355
【Spare Parts】 -Hamble
 Email: motor4@kainiugroup.com
 WhatsApp: +86-152-2358-9673
Tel: +86-166-2336-3392
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Area B, Luohuang Industrial Park,Jiangjin District, Chongqing, China
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