HONDA GY6-125 Motorcycle Crankshaft

Max Trading factory's HONDA GY6-125 Motorcycle Crankshaft excels in its exquisite balance of economy, reliability, and practicality.  By optimizing manufacturing costs, we make our products more cost-effective for compatible vehicles;  we utilize a mature structural design to ensure long-term stable and reliable operation, reducing the probability of malfunctions; and we precisely tune power transmission efficiency and vibration control to meet daily riding needs, making it a classic choice that balances economy and durability. It is compatible with all Honda GY6-125 scooter models and similarly specified modified models.

Materials and Craftsmanship

We understand that the motorcycle crankshaft, as a core transmission component within the engine that withstands high-frequency reciprocating impacts and continuous friction, has its service life, power transmission efficiency, and safety directly determined by the choice of materials and manufacturing processes. Therefore, our HONDA GY6-125 Motorcycle Crankshaft not only adheres to Honda's original factory standards but also incorporates advanced Qianjiang manufacturing processes, utilizing high-quality processing equipment and benchmarking against international industry standards to eliminate any detail flaws and ensure that every product meets the demands of long-term commuting.

Core Material Selection

Crankshaft Body: Made of high-strength ductile cast iron with an optimized alloy element formula, it possesses excellent toughness and wear resistance, capable of withstanding long-term high-frequency reciprocating impacts from the engine, preventing fractures and deformation.  The optimized material density reduces operating noise and improves riding comfort, perfectly matching the power output characteristics of the HONDA GY6-125 model.

Crankshaft Journal: Made of high-strength alloy steel, precision ground and hardened, with a surface hardness of HRC58-62, significantly improving wear resistance, reducing friction loss with the bearings, extending service life, and improving power transmission efficiency, resulting in smoother starts and more stable acceleration.

Piston Pin Hole: Processed using precision boring technology and equipped with wear-resistant bushings, ensuring a tight fit between the piston pin and the hole, reducing clearance and preventing abnormal noises during transmission. This also improves transmission stability, matching the piston movement trajectory of the HONDA GY6-125 model and ensuring lossless power transmission. 

Our advantages:

1. Product quality assurance, reliable and competitive prices.

2. We provide OEM services, with only one agent for each brand in each country to ensure customer benefits.

3. We have professional knowledge of motorcycle parts and over 10 years of experience in motorcycle parts.

4. There are a wide variety of parts, with over 30000 products and more models to choose from.

5. Timely delivery and reliable after-sales service.

Rigorous Production Process

We possess a modern production workshop, utilizing high-quality processing equipment and adopting the advanced Qianjiang technology used by our industry peers.  We implement standardized control throughout the entire process, from raw material processing to finished product delivery. Each HONDA GY6-125 Motorcycle Crankshaft undergoes multiple rigorous processes of grinding and testing to ensure quality standards are met. The specific processes are as follows:

1. Raw Material Selection: Each batch of ductile iron and alloy steel raw materials undergoes component testing, hardness testing, and density testing. Unqualified raw materials are rejected, ensuring product quality from the source, in line with Qianjiang's stringent requirements for raw materials;

2. Precision Casting: Using precision casting technology, raw materials are cast into crankshaft blanks.  Strict control of blank dimensional tolerances reduces subsequent machining allowances and improves production accuracy, ensuring a perfect match with the original HONDA GY6-125 engine installation dimensions;

3. Qianjiang Process Machining:  Incorporating the core processes of Qianjiang technology, the crankshaft body undergoes precision machining, optimizing crankshaft eccentricity and dynamic balance accuracy, reducing vibration during operation, and improving power transmission efficiency, meeting the needs of daily commuting scenarios;

4. Heat Treatment Process: Through professional quenching and tempering heat treatment technology, the metallographic structure of the crankshaft is optimized, improving material hardness and toughness, enhancing wear resistance and fatigue resistance, and extending product lifespan, suitable for long-term, high-frequency start-stop usage scenarios;

5. Surface Treatment: The crankshaft surface undergoes rust and corrosion prevention treatment. Electrophoretic coating technology is used to improve surface smoothness and oxidation resistance, adapting to different climatic environments and preventing rust and corrosion caused by humidity and high temperatures;

6. Finished Product Inspection: Using precision dynamic balancing instruments, dimensional measuring instruments, and other equipment, a comprehensive inspection is conducted on the crankshaft's dynamic balance accuracy, dimensional accuracy, hardness, surface smoothness, and other indicators. All unqualified products are rejected, ensuring a 100% pass rate for products leaving the factory.