SKU:227209
In its latest generation, the Yamaha YZ 125 stands out for its remarkable engine power and agile riding, delivering swift acceleration response and impeccable curve control. The power delivery is finely balanced, providing significant power thrust without compromising maneuverability. The transmission ensures smooth gear changes, allowing the rider to maintain control in every situation.
Respecting and enhancing these features, Athena introduces the new Standard Bore Cylinder Kit, a replacement solution for the OEM components, applying the expertise and know-how that have made it an industry leader.
Excellence in Construction Technology
Meticulous attention to construction details begins with careful material selection, preserving the cylinder kit's lightweight and robust qualities. Designed, tested, and produced in-house at Athena's facilities, this cylinder kit promises impeccable performance and superior reliability over time.
The Choice of Motocross Mechanics
The Athena Standard Bore Cylinder Kit is the ideal solution for motocross mechanics looking to replace original components without compromising performance and reliability. Choosing Athena means relying on a leading brand synonymous with innovation and quality in the industry.
The Cylinder: Powerful and Resilient Heart
The cylinder, the heart of this kit, is the result of Athena's experience in creating cylinders for tracks worldwide. Crafted with a high-quality aluminum alloy, the cylinder offers strength, durability, and solidity. Engineered to ensure an effective cooling system, the Athena cylinder guarantees optimal performance and prevents overheating during intensive use. The cylinder's design carefully studies geometry to optimize gas flow, resulting in quick acceleration response and uniform power distribution across the entire usage range. Rigorous testing sessions have determined the balance and fluidity of Athena's cylinder at all RPMs.
The Piston: Maximizing Efficiency
Athena's piston is meticulously designed for weight and balance, maximizing engine efficiency. The advanced profile design contributes to consistent power, quick gas response, and extended durability. The lightweight of the piston reduces inertia, enabling faster accelerations and enhanced motorcycle agility. Precision in piston manufacturing is crucial, with tight tolerances ensuring proper sealing in Athena cylinders, maximizing combustion efficiency, and reducing compression losses.
Gaskets: Extreme Reliability
The Athena cylinder kit includes a complete gasket kit for a hassle-free installation. Material quality and production techniques are crucial to maintaining engine integrity and preventing fluid leaks. Reliable and durable sealing significantly contributes to engine performance and reliability. In the extreme environment experienced by motocross bikes, Athena gaskets withstand thermal stress and all types of vibrations, ensuring optimal integrity and functionality for all engine components.
The new Standard Bore Cylinder Kit is much more than a component for the new Yamaha YZ 125; it is a commitment to technical perfection and an extraordinary option for those seeking excellent performance and absolute reliability. Install the Athena kit and get ready to dominate every track and competition.
Replacement Solution for the OEM, Excellent Construction Technology for Impeccable Performance.
Uncompromising Reliability and Performance, Advanced Design, and Superior-Quality Materials.
High-quality Aluminum Alloy Cylinder, Effective Cooling, and Optimal Performance.
Pistons and gaskets designed for maximum efficiency, durability, and reliable sealing.
Bore: 54.00mm
Compression: 14.7:1
Diplacement: 125cc
The Athena Cylinder Kit Stock Bore (Part Number P400485100100) is designed for Yamaha 125 YZ models from 2022 to 2025 and YZ X 125 models from 2023 to 2025. Crafted with precision to ensure optimal performance and durability, this cylinder kit is an essential component for maintaining or restoring your dirt bike’s engine. Engineered with high-quality materials, it provides a perfect fit and reliable operation under demanding off-road conditions. The kit includes all necessary components to facilitate a straightforward installation, making it suitable for both professional mechanics and experienced enthusiasts. Its stock bore dimensions ensure compatibility with original specifications, helping maintain the bike's intended power output and performance standards.
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