fits model: 139qmb.

( Brand: Glixal ), ( Manufacturer Part Number: ATMT1-012-52 ), ( Part Type: Cylinder ), ( Item Weight: 2 Pounds ), ( Package Dimensions: 5.59 X 5.2 X 4.88 Inches ), ( Is Discontinued By Manufacturer: No )
The GLXAL ATMT1-012-52 Big Cylinder Kit is an excellent solution for those looking to rebuild their 2-stroke engine for scooters or motorcycles with a displacement of 49cc, 50cc, 105cc, or 139QMB. This kit is specifically designed for engines using the Gy6 series, making it a versatile and widely applicable option for various small engine applications.
The heart of this kit is its large cylinder, which boasts a 52mm bore diameter. This enlarged cylinder improves the engine's overall performance by increasing its displacement and power output. As a result, riders can expect enhanced acceleration, smoother power delivery, and improved top-end speed.
The GLXAL ATMT1-012-52 Big Cylinder Kit comes with all the necessary components required for a complete rebuild. This includes a cylinder, piston, rings, gudgeon pin, and cylinder head. Each part is made from high-quality materials and engineered to ensure a precise fit and optimal engine performance.
The cylinder is made from durable aluminum alloy, which is lightweight and offers excellent heat dissipation properties. This material ensures that the engine stays cool under heavy use, contributing to a longer engine lifespan and improved performance.
The piston, too, is made from top-tier materials to provide durability and efficiency. Its design is optimized for the enlarged cylinder, ensuring a perfect seal and minimizing power losses due to friction.
The kit also includes new rings and a gudgeon pin. These components are essential for maintaining proper engine compression and sealing the piston to the cylinder. The rings are made from high-temperature, wear-resistant material to ensure a long service life, while the gudgeon pin is made from heat-treated steel for added strength.
Lastly, the cylinder head is included in the kit. This component is crucial for the proper functioning of the engine's combustion process. It is designed to provide excellent heat dissipation and airflow, ensuring consistent engine performance.
In summary, the GLXAL ATMT1-012-52 Big Cylinder Kit is an essential tool for those seeking to rebuild their Gy6 series 2-stroke engine for scooters or motorcycles with a displacement ranging from 49cc to 139QMB. The kit's large 52mm cylinder improves engine performance, and all necessary components are included for a complete rebuild. With its high-quality materials and precise manufacturing, this kit is an excellent investment for those seeking to maximize their engine's potential.
The GLXAL ATMT1-012-52 Big Cylinder Kit is a replacement part designed for rebuilding the cylinder on two-stroke engines with a 52mm bore size, including those with displacements of 49cc, 50cc, 105cc, and 139QMB. Here are some pros and cons of purchasing this kit:
Pros:1. Compatibility: This kit is specifically designed for a range of engines with a common cylinder size, making it a versatile option for those with different engine models.
2. High-quality materials: The GLXAL ATMT1-012-52 kit is made of high-quality materials, ensuring a durable and effective cylinder rebuild.
3. Easy installation: The kit includes all the necessary components for a cylinder rebuild, making the installation process relatively straightforward for those with some mechanical knowledge.
4. Improved engine performance: A fresh cylinder rebuild can lead to improved engine performance, including increased power, better fuel efficiency, and smoother operation.
Cons:1. Cost: Rebuilding a cylinder is a more expensive option compared to buying a new engine or opting for a replacement engine. The GLXAL ATMT1-012-52 kit represents a significant investment.
2. Time-consuming: Cylinder rebuilds can take several hours to complete, requiring a significant time commitment and patience.
3. Requires mechanical knowledge: While the installation process is relatively straightforward, some mechanical knowledge is required for a successful cylinder rebuild.
Conclusion:The GLXAL ATMT1-012-52 Big Cylinder Kit is a high-quality, versatile option for those in need of a cylinder rebuild for their 52mm bore size engine. While it represents a significant investment and requires some mechanical knowledge and time, the potential for improved engine performance and durability make it a worthwhile consideration for those looking to extend the life of their motorcycle or scooter.
Recommendation:If you have a 52mm bore size engine and are experiencing performance issues, a cylinder rebuild using the GLXAL ATMT1-012-52 kit could be an effective solution. However, consider weighing the costs and time commitment against the potential benefits before making a decision. Additionally, ensure you have the necessary mechanical knowledge and tools to complete the installation process successfully. If you're unsure, it may be worth considering hiring a professional mechanic to complete the job.
Glixal 52mm Big Bore Cylinder Kit Rebuild GY6 49cc 50cc to 105cc 139QMB 139QMA Scooter Moped ATV Go-Kart: Manufacturer. Model: 139QMB. Is Discontinued By Manufacturer: No. Item model number: ATMT1-012-52.
4.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Pensioner Gasket,Exhaust Gasket,Intake Exhaust Studs,Exhaust Nut. Package Dimensions: 5.59 x 5.2 4.88 inches. Brand: Glixal.