ATHENA Big Bore Cylinder Kit P400485100030 144cc for Yamaha YZ 125
for YAMAHA, FANTIC MOTOR
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The Big Bore cylinder kit of 144cc is specifically designed for the Yamaha YZ 125, offering a significant performance increase for your engine. Made from high-quality aluminum alloys, this kit is the result of over ten years of technological innovation, ensuring superior reliability and durability.
Each cylinder is produced using state-of-the-art technologies, including steel mold casting processes and CNC machining, which ensure millimeter tolerances at every stage. The surface of the cylinders is perfectly flat, eliminating fitting inaccuracies and optimizing performance.
With a bore of 58 mm and a stroke of 54.5 mm, the cylinder offers a compression ratio of 14:1, allowing for a maximum power output of 37.6 HP at 11,200 RPM. The cylinder sleeves are treated with a special mixture of silicon carbide and nickel, ensuring exceptional resistance and long piston life.
Additionally, the design of the water channels has been revised to improve cooling capacity, while advanced 3D software is used to simulate mechanical loads and optimize design. This kit is ideal for those looking to enhance their Yamaha YZ 125, offering high performance and immediate response in every driving situation.
- Bore: 58 mm
- Stroke: 54.5 mm
- Compression: 14:1
- Maximum power: 37.6 HP at 11,200 RPM
- Material: high-quality aluminum alloys
- Cylinder sleeve treatment: mixture of silicon carbide and nickel
- Production processes: steel mold casting and CNC machining
- Tolerances: millimeter
- Cylinder surface: perfectly flat
- Water channel design: optimized for improved cooling
- Design simulation: advanced 3D software for mechanical loads
